Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon
Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon
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Red Line Synthetic Oil

Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon

Key item features

  • HIGH PERFORMANCE - gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications.
  • QUICKER SHIFTS - perfect synchronizer coefficient of friction and eliminates notchy shifting, even when cold
  • REQUIREMENTS - gear oil viscosity of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
  • POPULAR GEAR OIL FOR - GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified. Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises.
Current price is $87.99
Price when purchased online
  • Free shipping

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Arrives by Fri, Jun 12
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Sold and shipped by R/A Hoerr Incorporated
4.505952380952381 stars out of 5, based on 1344 seller reviews(4.5)
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4.4 out of 5 stars
stars15 ratings12 reviews
How item rating is calculated
  1. 5 stars80% (12)
  2. 4 stars7% (1)
  3. 3 stars0% (0)
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  5. 1 star13% (2)
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Showing 1-3 of 12 reviews

May 25, 2026
Daimon
Sold and shipped byR/A Hoerr Incorporated
5 out of 5 stars review

Verified Purchase

Great for transmissions

Great ! the only oil i use for my transmission

Incentivized Review
Helpful?3FZTJBGTQR2G180083180
May 23, 2017
Gary
5 out of 5 stars review

Seller Verified Purchase

I would buy this product again!

There is a difference between GL-4 and GL-5. Only use what you'r manual states. [This review was collected as part of a promotion.]

Review from jet.com
Helpful?3FZTJBGTQR2G180083180
Jun 22, 2024
A
Sold byHappEshopper
5 out of 5 stars review

Verified Purchase

Packaged well

Used for classic toyota transmission and transfer case

Incentivized Review
Helpful?3FZTJBGTQR2G180083180