350Z / G35 VQ35DE Knock Sensor Sub Harness - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60
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350Z / G35 VQ35DE Knock Sensor Sub Harness
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350Z / G35 VQ35DE Knock Sensor Sub Harness

starstarstarstarstar 5/5 - (37 Reviews)
Fits models: 350Z / G35 / FX35 / FX45...

Product Description

This is the Knock Sensor Sub Harness found on all Nissan 350Z and Infiniti G35 models equipped with the VQ35DE Engine. When this harness fails you will see a Check Engine Light with the code P0327.

P0327 Codes are caused by either a low output voltage seen by the ECU from the knock sensor pointing to a faulty sensor or a short or open knock sensor circuit.  
While most often this code is indicative of a faulty knock sensor sub harness, sometimes the sensors do go bad you can elect to purchase both below and save.

Z1 also sells new OEM Knock Sensors HERE and can be included for a discounted price as an option below.

NOTE: G35 models with a build production date before 06/03 MUST purchase a new style knock sensor with the harness. The original knock sensor on G35's built prior to 06/03 is different, and cannot be connected with this new style harness. The optional knock sensor below is a new-style type sensor and will allow you to use the newer style knock sensor sub harness sold here.

Fits:

  • 2003-2006 Nissan 350Z
  • 2003-2007 Infiniti G35 Coupe
  • 2003-2006 Infiniti G35 Sedan
  • 2003-2008 Infiniti FX35

This is intended for the above listed models ONLY. Fitment on FWD VQ's (Maxima, Altima, etc.) has not been confirmed.

*** This item does not qualify for any additional discounts or promotions ***

Available Options:

Please review the product description if you are unsure about any of the options below.

Knock sensor:

Quantity:

In stock, ready to ship. 
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List Price: $39.99
Special Price: $29.99
You Save: $10.00 (25%)

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Knock sensor:
350Z / G35 VQ35DE Knock Sensor Sub Harness
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What our customers say

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Michael
March 7, 2024
Fast shipping and the installation only takes about two hours
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Jason
December 11, 2023
Fixed my issue, and my g35 is still going strong 6 months later
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Voix
December 10, 2023
Came as seen, fast shipping.
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Ryan
October 22, 2023
Good product, along with the knock sensor fixed my P0327 code.
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Leonard
September 11, 2023
Great item. Great price for oem part. Fast shipping
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Ned
April 30, 2023
Came quickly and works great.
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Francisco
April 10, 2023
This product is great.
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Anthony
April 2, 2023
I don’t know how Z1 does it but got to my house faster then estimated and got my car running
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Nicholas
March 8, 2023
The harness Solved all my codes related to the knock sensor. This was not hard to install, took some time fishing it thru the tunnel. I kept getting caught on the wire harness, once I got the connector thru it was a breeze! Now time to move to the O2 sensor!
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Nicholas
February 14, 2023
Changed this and have not had an issue.
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Zachary
January 5, 2023
Worked perfect, my Z is back to beast mode
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Bester
August 4, 2022
I had a low voltage code, the new wire cleared it up!
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Wynn
March 30, 2022
The harness was a quality Nissan part and direct replacement. Shipping was fast.
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Tomas
February 28, 2022
Very good quality easy to install once you know how to already.
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Sean
January 16, 2022
Fast shipping, good international service Would use again
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Jose
October 18, 2021
It took 3 days to get to me better quality then the one it had installed it and it took my check engine light off finally after 7 months of trying to fix my cars thanks
starstarstarstarstar
Lius
August 17, 2021
Fitt great works good.
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Scott
July 15, 2021
As advertised! Thank you
starstarstarstarstar
Rafael
June 28, 2021
On time and as described
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Jose
June 16, 2021
Exact fit for VQ35DE 06 Infiniti M35 RWD.
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Michael
June 10, 2021
Fit up to the knock sensor and adjacent wiring with no problem. Quality looks and feels better than the oem I had to replace. Even has a protective sleeve over the wiring which is what's missing on the oem. Definitely worth it.
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Hunter
May 16, 2021
I took the whole intake off and installed a new knock sensor with this harness. The code went away. If you have a knock sensor circuit code, I'd recommend this product. Everyone else is selling this harness with the injector harness, so it can be expensive, so save your money and buy this sub harness.
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Joe
May 11, 2021
Thanks works great simple install
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Tony
May 2, 2021
Top quality product. Solved the check engine light code P0327 and car passed smog. I recommend to add heat shield to give this wire extensive life time. Thank you
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Gerald
April 2, 2021
Looks like a charm! Had it in my car since I purchased it in 2019.
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Nicholas
March 19, 2021
Works amazing and excellent quality little harness
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James
March 10, 2021
Awesome. Fixed my issue! Restored the power back into my old de!
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Robert
March 9, 2021
Not too much you can say other than, works great! I Appreciate the fact that Z1 upgraded the line on this so that the heat doesn't get to the wiring, yet again, like it did initially to cause it to short out in the 1st place. Thanks Z1!
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Taz
January 25, 2021
Fixed my issue. No more engine code. I was able to install it without disassembling the engine which was very convenient.
starstarstarstarstar
Daniel
January 25, 2021
Works great fixed my issue I was having for the knock sensor.
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Thomas
May 13, 2020
Super happy with this item. It was cheaper than some other parts resources near me. Parts and shipping was half of what other parts places wanted to sell it to me over the counter. Plugged in perfectly w/ no issues. Took care of my p0327 code that was caused by a rodent chewing the wiring.
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Danny
May 1, 2019
Worked on my 2004 G35. Ordered Monday night in Texas and received on Tues. Shipping was unbelievably fast. A pain to get to to install. Will definitely use Z1 Motorsports again and highly recommend them.
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Chad
February 12, 2018
VERY happy with this item, ordered late Friday night and had it Monday afternoon!
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Nevin
June 15, 2017
Have not installed the sub harness yet but am very impressed by Z1's speed of service/shipping. I live in Canada and ordered the item at 5pm on Wednesday, I expected it to show up the next week but to my surprise it arrived at 11AM the next day. You guys rock!
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John
March 8, 2017
This fixed my P0327 fault code. The factory sub harness in these cars is very poor quality. Every time it was humid or raining I would get P0327 fault, and the car ran poorly.
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Carey
November 19, 2016
The connector had one tab that didn't match. So I took a sharp knife and shaved off the offending tab. It was an easy fix. Then I assembled the cables and etc. My 2003 G35 has been running great since. No more error code. Thought someone might find this useful.
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Christopher
March 10, 2015
This knock sensor sub harness is a must if you are getting a low knock sensor input signal code. Install is tedious and takes about 2 hours. If you have a loss of engine power and have the previous mentioned cel code, this is your fix. Thanks Z1!