- Performance Parts
- Z1 Products
Product Description
This machined aluminum coolant bleeder fits into the Heater Hose or any 3/4" ID hose in the coolant system. This design allows installation into a straight section of your heater hose for a perfect fit. Simply cut and trim the hose or replace your factory bleeder port (350Z / G35) or union (370Z / G37) and install this bleeder in-line.
Key Features:
- Slotted bleeder plug allows air to escape without the need to fully remove the bleeder plug. This helps accurately bleed the cooling system while greatly reducing the amount of wasted coolant. Bleeder plug is a 5mm female hex.
- Standard O-Ring Seal: No messy thread sealant needed! The Z1 coolant bleeder uses a standard o-ring so repeated bleedings are a breeze!
Also Available:
Your choice of two additional standard worm clamps or spring clamps is available in the product options.
*** This item does not qualify for any additional discounts or promotions *** |
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OEM Long Life Blue Coolant (Antifreeze) - 50/50 Pre-Mixed
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$15.72
Z1 370Z / G37 Silicone Heater Hose Set
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$42
OEM VQ / VR38 Thermostat Gasket
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$5.50
Z1 350Z / G35 VQ35DE Silicone Heater Hose Set
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$49.99
Z1 350Z / G35 Silicone Master Hose Set VQ35DE
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$272.74
Z1 G37 Silicone Master Hose Set
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$187.19
Z1 Motorsports High Pressure Radiator Cap
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$23.99
Coolant Temperature Sensor Adapter / Bleeder Port - Heater Hose
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$29
Z1 VQ37VHR Low Temp Thermostat
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$69.99
Z1 Q50 / Q60 / Z VR30 3.0t Aluminum Lower Water Neck
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$24.99
Z1 5/8'' Aluminum Coolant Bleeder Port
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$34
Coolant Temperature Sensor Adapter - Upper Radiator Hose
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$24
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Philip
March 30, 2024
Good solid replacement for the perished and brittle factory bleeder. Should never fail again! Very happy, A+
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Mike
March 15, 2024
Better than OEM product by miles
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Edgar
March 14, 2024
Great Fit. Great preventative maintenance.
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Luis
March 3, 2024
Nice and easy to instal, oem are plastic this is in aluminum preventing future leaks.
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Brian
February 29, 2024
made burping my coolant system a breeze and eliminated some unnecessary plastic around the motor. solid piece compared to oem. 11/10
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Evan
February 26, 2024
Must have for any VHR. Didn’t realize my stock one was cracked, and replaced it for fun. Luckily I did because it was fully split but hadn’t shattered yet. 92k miles at time of replacement. Definetely recommend not using hose clamps though, get the spring clamps like stock uses, hose clamps leaked on me and I retrofitted the stock clamps back on
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Dustin
February 23, 2024
Great piece to replace the dumb plastic OEM ones, must have if you car has higher miles or just need to maintenance the cooling system!
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Adam
February 11, 2024
What are you doing with your life if you don’t have this?
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Daniel
February 6, 2024
Solid replacement, takes a 5mm hex wrench to loosen/tighten. Pretty easy to bleed as well. After engine cools don’t forget to rinse off the part of the engine that’s below the bleeder.
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Karim
January 27, 2024
Helps bleeding and much better than the oem plastic I’d suggest getting spring clamps with it
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Gilberto
January 24, 2024
Much needed oem one is plastic n very easy to brake
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Chris
January 1, 2024
Such a simple upgrade you dont even think about, didn’t realize my OE one was chewed up until I began replacing hoses. Z1 had the part to me in no time and it works great!
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Derrick
December 25, 2023
This is an absolute must even if you're not an enthusiast. After fishing out the remaining pieces of the OEM bleeder port from the hose and literally seeing how poorly it's composition is, anything is better than the OEM polymer blended part.
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Adolfo
December 24, 2023
Es super bueno y muy fácil de instalar solo toma 5 minutos
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Andrew
December 23, 2023
Worked like a charm. Its been a few months and 0 problems
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Gordon
December 23, 2023
Glad to get this part and resolve this issue before it was a problem installation wasn't difficult due to the fact my vehicle has extremely low mileage so the coolant coupler was still intacted when it was removed this is my first preventative maintenance mod/ upgrade for my vehicle
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Richard
December 21, 2023
There was so much discussion about getting one to replace my plastic connector or suffer an unexpected rupture and overheat. My initial thought was don't fix it if it's not broken. Then sure enough, as I flexed my old connecter a little to test it's strength while I was changing my anti-freeze, it broke. Now the new Z1 metal bleeder is in place and I feel much more confident running my engine. It even allowed me to bleed my system from two different locations. I bled the Z1 at a lower position first, then followed up with the radiator bleeder.
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Christopher
December 17, 2023
Simple Allen key to bleed, would suggest a quick mock-up with the hoses prior to cutting, as you could end up placing the bleeder under the harness, making it difficult to reach said bleeder. I cut some material off of the smaller heater hose (there was excess for both) to get the bleeder closer to the firewall and out under the harness for better access.
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Mark
December 16, 2023
A very purposeful product and reasonably priced.
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Victor
December 15, 2023
Great Bleeder Valve, Easy swap
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Luis
December 14, 2023
Quality is way better than the oem plastic one
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Eduardo
December 14, 2023
good product, good fit, happy
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Tam
December 10, 2023
Immaculate! Packaging was solid.
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Alex
December 3, 2023
Works great and looks really good
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John
December 1, 2023
perfect replacement part recommend all day every day
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Nick
November 30, 2023
Perfect fit and will definitely last longer than the oem bleeder port
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TERRY
November 17, 2023
A great hard to find product
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Juanita
November 11, 2023
2008 G35X sedan. I could smell the coolant, and upon arriving home, immediately began to research. I wasn't surprised when videos led me to Z1 Motorsports. Thing is, most of the parts are for the G35 Coupe, so I was pleasantly surprised to find this would fit the sedan. Purchased the part and clamps on a Friday or Saturday, and literally arrived two days later, right before I had my service appointment. Service techs always compliment my Z1 purchases, and no exception with this one. All I paid for was labor, and got a clean bill for my G35. I'm thrilled to know that my G is ready to rev for a lot longer.
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Jamil
October 23, 2023
I installed this on my 06 350z. The peace of mind knowing this will not deteriorate over time and cause major problems on the road is everything. Solidly built, no issues. I also run one similar made by Z1 for my Xterra. A must have IMO.
Thanks Z1 for another great part.
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Anas
October 23, 2023
Perfect and i highly recommend to buy it coz the OEM one keeps broken
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Timothy
October 9, 2023
This item is a must have if you have a 350z or G35 because the factory one is going to deteriorate. So save your self the trouble and replace it before it does. It fits great and looks phenomenal. Thanks Z1
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Josue
October 1, 2023
Makes bleeding the system so much easier and no issues at all.
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Jesus
September 20, 2023
Great deal! High quality aluminum. The one I originally got from auto zone was made out of plastic and more expensive than this.
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Jesus
September 20, 2023
Great deal! High quality aluminum. The one I originally got from auto zone was made out of plastic and more expensive than this.
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Kristian
September 18, 2023
Your G37 is overheating? no problem! Install this and easily bleed the coolant system without taking off the radiator cap. easily accessable too.
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Roel
September 14, 2023
Great product and very easy to install.
Great replacement for the factory plastic connector
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James
August 26, 2023
If you haven't gotten one of these you really need too makes bleeding your coolant system so much more easily...great product
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Jacob
August 17, 2023
Pretty happy with the product. Honestly, a must have as the stock plastic tube WILL at some point fail. Mine crumbled as i was pulling it out. The installation is so easy, any novice could do it.
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Jermonte
August 4, 2023
Great design and relatively easy install. The factory piece actually crumbled while replacing so it just a matter of time if you have the factory one on.
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Charles
August 1, 2023
Better than what the factory offers.
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Kaleb
July 26, 2023
Bit annoying to install since the OEM plastic one broke, but great product fairly easy install!
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Colton
July 25, 2023
The OEM bleeder port is bound to break eventually, my friends G37X had his break and spew coolant all over his engine bay. I replaced mine for peace of mind. It also makes bleeding the system much easier,
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Robert
July 24, 2023
Solid replacement over the OE plastic one which stripped out on me. Easy to install and made bleeding the coolant system easy.
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Miguel
July 19, 2023
For piece of mind, this little coolant bleeder port is worth it. I was going to flush my coolant and replace my hoses with the z1 kit anyways. So, I decided to upgrade the plastic piece with this metal one to last me a long time without worries.
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Jeadiel
July 6, 2023
Good easy to use and put on put it on all 3 of my gs
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Kelvin
July 2, 2023
Amazing product Z1, got this this for my g37 coupe
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Leonardo
June 27, 2023
This bleeder port is amazing!! Works perfectly and looks good, ten times better than the stock. Highly recommend
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Oscar
June 11, 2023
Don't wait until the oem part cracks it can cost u a radiator learn from my mistakes, it also serves to bleed the system so you don't get any air pockets.
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James
June 6, 2023
Went in smooth with a snug fit.
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Vincent
May 31, 2023
Using an aluminum bleeder port is definitely more worth it because the traditional rubber one like all the other hoses eventually rot and crack.
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Anthony
May 28, 2023
Great replacement if your oem bleeder port is damaged or the screw is stripped.
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Giovanni
May 27, 2023
Awesome material for this piece
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Rafael
May 18, 2023
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Jr
May 17, 2023
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Klas
May 9, 2023
Good quality, product feel solid and im sure it will withstand the test of time much better than the plastic oem one!
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Moises
May 6, 2023
Works great and looks good!
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Thomas
April 30, 2023
Worked great with the DE hose kit.
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ELLIOT
April 15, 2023
Very high quality! I recommend getting new silicone hoses at the same time. You'll never worry about your cooling system again.
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Brandon
April 10, 2023
Solid Piece however there's no place for this on the Q60. So I solid it to a friend with a 370z and he likes it.
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Earnest
April 7, 2023
Easy install, great product.
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Md
April 1, 2023
Best quality and precise bolt on
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ANTHONY
March 24, 2023
Excellent upgrade over OEM one.
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Craig
March 23, 2023
This bleeder I put in about two years ago and worked great with no problems to report. Will be needing it's services here soon as I will be doing oil gasket gallery replacement, its nice to know I don't have that crappy plastic bleeder in there any longer!!!!
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Alejandro
March 18, 2023
Would definitely order it again worked great like I needed it to.
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James
March 17, 2023
I pre-ordered this for when my factory one failed. Worked like a charm. Thank you
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Angel
March 12, 2023
Best investment you can ever make. During my install my OEM bleeder valve completely snapped in half while trying to remove it off the hose. That should tell you that a plastic valve won’t do you much.
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Nathaniel
March 10, 2023
Love it. I'm so tired of trying not to trip the OEM plastice torque bit bleeder. It's so easy to bleed/seal the coolant system.
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Brandon
March 6, 2023
This is a must oem one gets brittle this will prevent a leak
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Isaiah
March 2, 2023
It’s ok, better than the oem plastic that strips easy
However if you drop the plug on accident when trying to bleed your coolant it is not magnetic and you will have trouble
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Roman
February 26, 2023
Works as expected.
Perfect fit.
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Dejon
January 23, 2023
Easy to install and added less stress to the bleeding process.
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Brian
January 6, 2023
The OEM bleeder started leaking when I went to warm up my 350z. Was a pain to take off but super easy to install the replacement. Did a test drive, no leaks. Ordered with the regular clamps.
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Elana
January 5, 2023
Came on time, direct fit. Never have to worry about the brittle oem port again.
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Eric
December 30, 2022
Makes is so much easier to bleed the cooling system on the G's. Easy to install and works great!! This should be the first part replaced when doing any work to the cooling system.
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Gage
December 12, 2022
Just buy it and replace it before the plastic one breaks like they all do especially if your z/g lives in a cold area. Great quality
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Carlos
November 28, 2022
Really good quality parts!!
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Scott
November 27, 2022
Very nice bit of engine jewelry that will hold up. I realized after installing my Z1 silicone hose kit that the stock bleeder, made of plastic and 18 years old, would probably fail. When, who knows, but the aluminum bleed port and silicone hoses give me confidence that my G35 won't have a coolant leak. Easy install, and super easy to bleed using the 5mm Allen key. I used a small funnel to fill with collant after install and it was perfect--no air, runs great.
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DOUGLAS
November 27, 2022
11-27-22
My mechanic replaced all of the following HVAC, electrical, hoses, tubing injection, cooling radiator, condenser etc parts. He stated all parts were great last quality. 😁
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DOUGLAS
November 27, 2022
11-27-22
My mechanic replaced all of the following HVAC, electrical, hoses, tubing injection, cooling radiator, condenser etc parts. He stated all parts were great last quality. 😁
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Nicholas
October 12, 2022
This is a must!! Spend the money and never have it Crack and leave you stranded again!
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Tavassen
September 8, 2022
Great replacement for the oem one.
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Stephen
August 12, 2022
I highly recommend getting this bleed adapter if you're thinking of replacing your coolant or coolant hoses on your 370Z
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Mohammed
August 9, 2022
Great Product
Fast shipping
Regular Customer but no discount
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Alex
July 25, 2022
This thing is so much nicer than the stock one. The plastic one was already stripped where the screw driver cracks the bleeder.
This one is SOLID and hasn't had any issues!
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Keith
July 17, 2022
Great product ,some one was really thinking when they came up with this
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Vladimir
July 16, 2022
Switched heater hose while changing Z1 radiator hose set since oem is plastic and breaks overtime. Good quality. Recommended
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Qamar
July 11, 2022
Solved the overheating issue with my 03’ sedan replaced the clutch fan with an oem part and it was still fluxing the temps.. solved the issue with this coolant bleeder valve.. bleed the system and the problem went away..
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Eliseo
July 1, 2022
Easy installation and works perfect. Better than the plastic oem
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Juliani
June 19, 2022
Was perfect and function properly as it should
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Beth
April 17, 2022
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Inia
April 10, 2022
Based on the picture, I assumed the part was going to look just like that, but to my surprise, it was metal which is better than the original.
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Colton
April 7, 2022
If you do coolant changes just get it. That’s all that needs to be said.
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Brian
April 6, 2022
Great Quality as always although wish there was a little more specification on which heater hose this is intended for.
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Ray
April 5, 2022
Real sturdy. Would recommend so swap to this as soon as you can.
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Kyle
March 15, 2022
Works perfectly. 100× better than the stock part. Is a must if you love your car.
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James
March 12, 2022
Well constructed. It should help with the next coolant service. Not having to worry about the heater hose blowing out is a big plus.
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Brian
March 10, 2022
I’ll be installing it this coming weekend. I’m making this review before it’s even installed. Never had an issue with any Z1 made products in the past. All the other reviews speak for themselves. Quality is always top notch.
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Devin
February 23, 2022
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SAMNANG
February 20, 2022
Fits perfectly! Awesome experience.
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Michael
February 15, 2022
My bleeder value broke apart when the motor was being prepared for removal. I'm glad I ordered this small but much need upgrade before this happened. It is a great must have whenever doing major maintenance to your VQ.
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Joshua
February 14, 2022
Makes it 10x easier to bleed air from coolant, no more stripping the head on the plastic oem valve! The cap also has vented, threads, so you only need to open it a little during the bleeding process. Makes life easier not having to fully remove the cap. 5 stars an amazing improvement to oem’n
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Jose
January 26, 2022
Easy to install good upgrade from the full plastic bleeder port.
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Calvin
December 22, 2021
Great quality as always! I mean I just replaced it for looks, not like I'll ever actually use it, but at least I don't have to worry about broken plastic from the old one in my coolant system 👌
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Jose
December 19, 2021
Great product will buy again. A must have
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Tim
November 12, 2021
Excellent upgrade for the brittle stock plastic joint on the 370Z heater hose. Having a bleeder in the back of the motor helps tremendously.
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Jonathan
November 8, 2021
Very high quality piece to replace the plastic bleeder port in the heater hose near the RH side firewall (necessary for bleeding the coolant system). Direct replacement.
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Jorge
October 31, 2021
One of my favorites upgrades Makes the bleeding a lot easier
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Jesus
October 19, 2021
Beast mode!! Works like a charm
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Javon
October 18, 2021
Very good piece. Upon replacement, the plastic that’s originally used to house the Q50 was broken up into pieces caused by deterioration causing a coolant leak. Feels good I knowing I don’t have to worry about it anymore
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Christopher
October 7, 2021
A life saver after my plastic oem (2006) literally blew into pieces. Good quality.
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Justin
October 5, 2021
Easy install into the hoses.
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William
September 14, 2021
Soooo much better than the stock plastic
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Mike
August 16, 2021
Great service..great product.
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Ezekiel
August 14, 2021
Best investment ever especially for the de and since the de and the hr ve the same bleeder system i have a entire swap for a hr so i will be deleting my de setup soon i can use this bleeder setup no issues
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Chadrick
August 11, 2021
Awesome place glad to be a customer.
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Alejandro
August 6, 2021
Good quality good replacement
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Roberto
July 26, 2021
Amazing and durable not like the OEM one that’s made of plastic its brittle and breaks. This one will last forever.
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Steven
July 21, 2021
The OE is plastic and will likely break when you need it most. Mine broke when I was flushing and replacing coolant. Bleeding air from the system is necessary and the plastic OE snapped. I would buy this and install BEFORE you begin a coolant change to avoid problems. This one is metal and will last the life of the car.
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Angel
July 19, 2021
Oem is plastic and exploded into little pieces upgrade to this metal one or you’ll get stranded like I did lmao
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Regie
July 7, 2021
A nice, durable replacement part for a plasticity OEM piece.
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Steven
June 28, 2021
It’s a great design !!! Takes away a huge flaw in oem design along with the reliability of bleeding a hot cooling system without the plastic bleeder breaking and burning me or whoever is working on thier z or any other car I have found many uses for other cars as well !!
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Noah
June 18, 2021
Excellent quality and quick delivery! My OEM bleeder valve was plastic and the head where you screw it out had been stripped and this caused me to not be able to bleed the coolant system which in turn, caused my car to overheat. This is a very good investment because now I don't have to ever worry about replacing this part in the future. I would recommend getting this for your car prior to flushing the coolant!
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Court
June 12, 2021
I love this thing! Makes bleeding the coolant a breeze!
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Damian
June 12, 2021
Really f-ing good lol fits perfectly.👌🏾
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Bradley
June 10, 2021
Perfect part to make bleeding easier, amazing shipping speed
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Michael
June 8, 2021
The plastic bleeder literally broke in half when I was bleeding the coolant system... So I ordered this one from Z1, and it is WAY EASIER TO BLEED and I don't have to worry about the plastic deteriorating on my car.
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David
June 8, 2021
Came in pretty fast with my other order , nothing to complain about but there core returns department is an other story , but I’m still ordering stuff , lol
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Iván
May 23, 2021
Great device , every 370Z & 350 owner must have one .
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Adrian
May 18, 2021
This bleeder valve is SOOO much easier to open and deal with. I always felt so skeptical about handling the plastic OEM BV. I actually snapped the OEM one when prying the hoses apart, but luckily I was smart enough to order this one ahead of time. Amazing product, would definitely recommend VQ owners to change out their BV. It’s an easy preventative maintenance item to install! (Apart from the difficult process of getting the hoses off)
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Javonte
May 17, 2021
The part fit so perfectly!! No issues installing.
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VICTOR
May 12, 2021
I haven't had the time to install it yet, the quality is 100% better than the manufacturer
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Francisco
May 11, 2021
Worked great, helps to bleed air from system.
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Kevin
May 11, 2021
Replace that cheap stock plastic bleeder with this. Just remember it's aluminum and transfers heat really well (ouch). 350z are hard enough to bleed but this helps a ton.
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Terrance
May 11, 2021
Great fitment, easy install, great improvement over the OE plastic. Highly recommended.
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Michael
May 9, 2021
So fixed the problem, quality was excellent. Durability is evident in quality. I have no fear of failure from this point forward.
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Kareem
May 1, 2021
These work great as long as the rubber seals works correctly. I got one that was defective and it leaked. We got a second one and it worked fine.
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Keith
April 30, 2021
Very handy if you don't have a vacuum draw available
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Matt
April 27, 2021
Recommended upgrade over the stock plastic coolant bleeder port as they are prone to brake
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Ricardo
April 26, 2021
Great mod that every 370z/G37 should have!
No more worries about coolant leaks from the heater hose fitting! Great quality and it’s easier to bleed the air out of the system thanks to the coolant bleeder port that it comes with.
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Clarence
April 24, 2021
Works as described except it won’t dry rot. Serious upgrade!
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Adrian
April 23, 2021
Slipped in like factory and is so much better with its finish and the bleeder screw
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Brad
April 13, 2021
Great product! Obviously will last much longer because of the construction but it is also much easier to use. The slotted screw makes it much easier to bleed without having to back the screw almost all the way out and risk blowing hot coolant everywhere like the factory one.
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Marcus
April 6, 2021
Works great and looks good. Better than the OEM part.
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Brendan
April 5, 2021
Much better than the plastic factory part. Definitely recommend fitting one of these.
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William
March 26, 2021
Outstanding product! I replaced my OEM coolant bleeder port with this... highly recommend this! Love the fact that this is aluminum. OEM part is plastic and will crack eventually.
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Michael
March 22, 2021
Great part. Fixed my leak and upgraded the original part from plastic. Definitely would recommend this I’m using it on a 09 fx35.
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Kevin
March 13, 2021
Amazing quality, works flawlessly, and install with new clamps was a breeze.
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Brendan
March 10, 2021
Great quality, much better than the plastic factory part and a lot easier to use
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Duncan
February 10, 2021
I got this for my vintage BMW to help bleed the heater system. It is very well made and designed. Works great. Not inexpensive but worth every penny. Very nice piece.
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Kai
February 9, 2021
I installed this along with the coolant by-pass hose kit. Hardest part about job was removing the factory style clamps but after that it was easy. Lol!
It works very well and I have used it several times to bleed my system of any air, since I have been flushing my coolant.
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Andrew
February 9, 2021
Looks better and wont break like the cheap plastic oem one
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Davis
February 9, 2021
Helped me alot replacing the open plastic that was leaking sucking air into the system such a better and needed upgrade
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Jorge
January 26, 2021
I recommend this work good thank you no more over heating
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Fabian
January 25, 2021
Awesome. Probably sold at least 15 of these for you LOL well worth the money in reliability alone.
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Edward
January 25, 2021
Excellent piece of hardware. Mechanically robust, and precision machined with very nice finish. I recommend using this to replace an aged plastic bleeder valve that can brake and cause an on-road breakdown. Also, the ability to crack the bleeder without completely removing the cap is a very useful feature.
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Gregg
January 25, 2021
Awesome product. I procrastinated installation only to have the oem plastic version fail and leak coolant everywhere. Thankfully I had this and installed it. Definitely a must in hot climates as the plastic bits get brittle with heat and age.
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AG
January 25, 2021
Very good everything great. Came very fast. I will buy again
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Andrew
October 1, 2020
So have 2 of these on my 2004 G35. One on the passenger side rear heater hose, and one on the front bypass hose. Both have been on the car for a year or so, and I've run into an issue recently. It seems that once the o-ring becomes brittle/collapsed, the brass plug bottoms out its threads on the housing before the o-ring is compressed enough to completely seal off the port. I quite the coolant leak coming from my rear bleeder, and I was confused as I thought they were well built. Upon closer inspection, I get about 1/4 turn load onto their supplied o-ring before the plug runs out of threads and grounds out on the housing.
I replaced the o-rings on both of them with slightly thicker Viton o-rings that I had from Harbor Freight and now no more leaks! This is still a fantastic product, maybe I've run into an anomaly, but something worth keeping in mind if you purchase this item!
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