Red Line MT-90 GL-4 Manual Transmission Fluid - 1qt - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60
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Red Line MT-90 GL-4 Manual Transmission Fluid - 1qt

starstarstarstarstar_half 4.9/5 - (15 Reviews)
Brand: Red Line Oils
Fits models: 300ZX / 350Z / 370Z / 2000-2003 Maxima / 2009...

Product Description

Red Line Gear Oils and Transmission Lubricants are designed to provide excellent low-temperature shiftability and improved gear protection at higher temperatures. Red Line Gear Oils will reduce differential temperatures 10-70F. Efficiency improvements between 1-5% are typical.

The synthetic base stocks used have tremendous thermal stability and provide the best film strength available. The unique combination of base stocks and additives allow Red Line gear and transmission oils to carry higher loads compared to petroleum lubricants. The stability of these products allow them to be used for extended periods.

Red Line MT-90 is a GL-4 gear oil, safe for brass synchros as it lacks the reactive sulfurs found in most GL-5 oils that cause damage. This is the oil of choice for 300ZX, 350Z, 370Z, G35, G37, and other Nissan manual transmissions.

  • 75W90 GL-4 gear oil (similar to SAE 5W40/10W40 engine oil viscosity)
  • Popular in Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, Toyota, Mendeola transmissions and Atlas transfer cases for Off Road
  • Offers quicker shifts, perfect synchronizer coefficient of friction
  • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • High performance gear protection and longer synchro life
  • Eliminates notchy shifting, even when cold
  • Satisfies the gear oil viscosity requirements of 75W90, 80W90, 90 and motor oil viscosities of SAE 40, 10W40 and 15W40
  • Recommended for GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified

Sold Individually Per Quart

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Price: $23.10

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Red Line MT-90 GL-4 Manual Transmission Fluid - 1qt
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Questions our customers have asked

Can you tell me how many qts are needed for a drain and fill on a NA 5spd?
NA and TT transmissions use 3qts. Thanks!

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What our customers say

starstarstarstarstar
Automotive
April 18, 2024
Best Transmission fluid if your pushing your car to Limits......
starstarstarstarstar
Boadu
December 29, 2023
Super fast shipping to Central Illinois
starstarstarstarstar
Thomas
March 17, 2023
Been working good for a Long time, great fluid.
starstarstarstarstar
Danny
March 4, 2022
Packaged perfectly, super fast shipping and product is amazing!
starstarstarstarstar
Craig
October 2, 2021
Great product everything that was listed for the product was there, shipping was fast and easy. Proud to do business with this company again.
starstarstarstarstar
Andrew
August 23, 2021
as described, great quality
starstarstarstarstar
Michael
June 8, 2021
Great fluid for your Z transmission! Everything shifts smooth and quiet in my Z!
starstarstarstarstar
Cameron
May 22, 2021
Worked great on an R32 GTST. Falls right into gear now.
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Antonio
April 27, 2021
Car been running better than before but didn’t completely fix the issue I was having with my 5th gear grinding
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Megan
March 30, 2021
This stuff is fantastic, it has a wonderful flavor a strong aroma and lasting finish.
starstarstarstarstar
Anthony
March 18, 2021
Received my order fast. My transmission shifts smooth.
starstarstarstarstar
Matt
January 26, 2021
Great product if you have a little more money to spend and are looking for a high quality fluid.
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David
April 20, 2019
If you have the dreaded 3rd gear synchro grind in an early 350Z, try this before changing out your transmission. It worked for me. You will see the results after about 200 miles of driving. Saved me thousands$$$.
starstarstarstarstar
William
September 12, 2018
Good stuff. Shifts better and took care of a noise I had when the transmission was cold and sitting overnight.
starstarstarstarstar
Chris
December 10, 2013
Red Line MT-90.... Just..... Wow.... I never thought a fluid change..... Would just... Improve overall transmission performance.. From shifts to smoothness of the ride.. I'm just... Blown away... i cant really describe it.. but its like a new transmission.. and i am just blown away..