SKU: 53928330274
75w90 gl 4 gear oil

75w90 gl 4 gear oil Red Line MT-90 75W90 GL-4 Gear Oil

$26.59 $29.54
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

75w90 gl 4 gear oil Red Line MT-90 75W90 GL-4 Gear OilRed Line MT90 Manual Transmission Lubricant 1QT Universal RallySport Direct is proud to bring you some of the best lubricants in the industry brought to you by Red Line. This is the very popular and highly utilized Red Line MT 90 Manual Transmission Gear Oil. This gear oil has been specially formulated to have the appropriate coefficient of friction for most manual transmission synchronizers that are combined with a great viscosity balance to help

Red Line MT90 Manual Transmission Lubricant 1QT Universal

RallySport Direct is proud to bring you some of the best lubricants in the industry brought to you by Red Line. 

 

This is the very popular and highly utilized Red Line MT-90 Manual Transmission Gear Oil. This gear oil has been specially formulated to have the appropriate coefficient of friction for most manual transmission synchronizers that are combined with a great viscosity balance to help cure hard shifting issues in most manual transmissions. The MT-90 is a fully synthetic lubricant with a very high viscosity index which provides relatively constant viscosity as temperature changes to provide your shifts with a consistent feel through a variety of temperatures while offering optimal friction protection.

 

DETAILS:

  • 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 reaction sulfurs found in most GL-5 oils that can cause damage
  • High-performance gear protection and longer synchro life
  • Helps eliminate notchy shifting even in cold conditions
  • 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 in a 1-quart container

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53928330274

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4.7 ★★★★★
Based on 16 reviews
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William F Marsh
Bozeman, US
★★★★★ 5
Great Everyday Watch
Color: Black
Great product and a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
G
Verified Purchase
gen0
Lexington, US
★★★★★ 5
Infantry 5ATM Waterproof Mens Military Tactical Field Watch, Date & Day 12/24Hr-
Color: Silver
So I almost never write reviews- anywhere. This is an exception & I'm not paid or reimbursed- just impressed. This watch presents a really good price to value ratio. My infantry watch looks great and is very functional. I put a NATO strap on it because I tend to be tough with watches, though the one it arrived with is very nice looking and the buckle is even logo'd- a really nice touch in this price segment. I've received several positive compliments while wearing it and 1 of my friends has purchased an Infantry field watch from this same series since. The company behind the watch is part of the value equation. I had a minor issue and I was able to get in touch with a real person... no, actually two! I contacted via Amazon AND through the support dept from their website. Both inquiries were promptly answered with a helpful and well-mannered reply and the perfect solution. There are several collections to be found on their website (SEARCH: Infantry Watches ). These watches range in appointment and quality from levels found here to several steps above. Similar in looks and nature to this one on Amazon include; The Chronomaster, The Skeleton, and The Auto-Pilot to name a few. I've begun to add additional watches to my collection from those. There are also fun and informal collaborations offered. Right now [8-2025] these include; Transformers, Monopoly, Peanuts and several others. ---> Overall it's rare and refreshing to find a company still able to work decent products AND ethics into a successful business model! Gen0
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 13, 2025
J
Verified Purchase
John Weiss III
Lake Worth, US
★★★★★ 4
Simple, affordable, smartly styled. Good starter watch for teens
Color: Black
Got this for 13-year-old boy for Christmas. Excellent choice for a beginner's watch. Learn to read a clock face for crying out loud! Easy to set the day/date, and has a comfortable band.
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Reviewed in the United States on December 27, 2025
S
Verified Purchase
Soldat !
Charlottesville, US
★★★★★ 5
Style classic
Color: Silver
A neat watch, I was a career soldier and I remember getting a few different military style watches, mostly made by Timex. I was in supply so had access to them, often the style was the same and sometimes not. Item was packed well and arrived fast great price
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Reviewed in the United States on February 26, 2026
S
Verified Purchase
Steve B., Houston, TX
Grantham, US
★★★★★ 5
Decent watch for the price - you get what you pay for
Color: Black
This watch is about what I expected for the price. It's comfortable to wear and is keeping time reasonably well thus far. Illumination on the hands and dial fades after a couple of hours and setting the day of the week does not work (it will not advance - day just sort of "bounces" in the window - although the day changes on its own). Given the reviews I read, I take it off before showering and avoid getting it wet when washing my hands, as I don't trust the water resistance. EDIT: After posting the generally positive review above, the seller messaged me offering a replacement on their own initiative and allowing me to keep the original watch. I did not expect that but accepted their offer. Upon receiving the replacement, I discovered that the problem setting the day of the week was user error and not a problem with the 1st watch. My only criticism of the watch remains that the illumination fades within an hour or two (I held it next to a 150W lamp bulb for 30 seconds) but I am willing to live with that and believe the watch is a good value. I increased my rating from 3-stars to 5-stars on the strength of the great customer support and what I think is the value proposition for a very comfortable, easy to read, $20 watch. I would buy again.
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Reviewed in the United States on March 16, 2026

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