Red Line MTL 75W80 Gear Oil  (1 Quart) - 50204

GL-4 specific gear oil

If your manual transmission is feeling a little sloppy or the shifter is feeling notchy it's probably time for a drain and fill. Red Line fluids have a large user base who swear by the stuff.

Features and benefits:

  • Popular for BMW, Honda and Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Dodge & Jeep NV1500, NV3500 and NV5600 truck transmissions
  • Popular replacement for and improvement over GM Synchromesh® (#12345349) and Auto-Trak II® (#12378508) and Chrysler spec MS-9224
  • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • Offers quicker shifts, perfect synchronizer coefficient of friction
  • Eliminates notchy shifting, even when cold
  • High performance gear protection and longer synchro life
  • Satisifies the gear oil viscosity requirements of 70W, 75W, 80W, and motor oil viscosities of SAE 30, 10W30, and 5W30
  • Recommended for GL-1, GL-3, and GL-4 applications as well as where most special synchromesh fluids are specified

About Red Line gear oil for manual transmissions:

  • Appropriate coefficient of friction for most manual transmission synchronizers (other's synthetic gear oils are often too slippery for proper synchro engagement)
  • Red Line offers lubricants to pinpoint nearly every transmission application
  • MTL, MT-85 & MT-90 are not for use in differentials with hypoid gears
  • Excellent gear and synchro protection, balanced slipperiness for easier shifting in cold climates
  • Excellent for high- and low-mile transmissions
  • Compatible with petroleums and other synthetics
Product match fitment

Red Line MTL 75W80 Gear Oil (1 Quart) - 50204

Red line logoRed Line
SKU #:
Manual Trans Fluid
OE Numbers:
$16.09 MSRP: $19.99
Careful, this is a universal product. Some parts may require modification depending on application.
Ships within 1 business day
  • Guaranteed to Fit, Guaranteed for Life We guarantee the fit and quality of our parts for life. If it doesn’t meet your expectations send it back for a replacement or refund. Learn more
  • Fitment Verified This product application guide has been tested to ensure it will accurately fit the cars outlined in our fitment guide.
  • Shop With Confidence We respect your privacy; we always keep your information confidential.
  • What If I Need to Return This Item? Not a problem! If you are not happy with your purchase, we will gladly help you exchange or return your items, provided you follow the guidelines outlined in our Returns Policy.
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Customer Reviews

Write a Review Average rating:
5.0 based on 5 review(s)
By: Jay
Mon, Oct 5 at 9:07AM

Couldn't get this locally, FCP had it at a fair price

By: steve
Fri, May 29 at 7:29AM
Shifts Nice And Smooooth Now!

The old stuff was real dark and this new MTL gear oil is excellent. I went to almost every auto parts place around town and coudn't find GL4 (only) oil. FCP had it and was worth ordering it online instead of chancing it with the wrong stuff that is readily available around town.

By: JimB
Wed, Apr 15 at 11:35AM
Great Product

I changed the manual transmission oil in my 2003 BMW 530i and used this oil. It really smoothed out the shifting and I think it sealed a small leak in a seal. I highly recommend it.

By: Ed
Mon, Aug 12 at 8:52AM
A Real Difference

I needed to change my manual transmission fluid as part of my 75,000 mile service on my 2008 Honda Fit (Jazz) Many people online suggested using the Red Line, and now I understand why. It absolutely improved shifting, including my occasional sloppy shift (where my timing is imperfect) and I am looking forward to increased mileage as well. Nice product.

By: John
Wed, Feb 15 at 12:32PM

My favorite oil for my e30's manual transmission. A bit more expensive than other oils, but it is worth it.

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