Rated 4.9 out of 5 based off 762 ratings

$23.05 View Price

Brand Red Line
Package Information Bottle
Liquid Volume 32 Fluid Ounces
Item Weight 1.7 Pounds
Recommended Uses For Product Lubricant
  • LONGER SYNCHRO LIFE - High-performance gear protection, satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30, 5W30
  • OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery
  • SAFE FOR BRASS SYNCHROS - As it lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
  • POPULAR MOTOR OIL FOR - BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions
  • WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

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Sizes:
2 Quarts, Case - 12 Pack, Quart

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Red Line (50204) SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant - Car Gear Oil - 1 Quart Bottle

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Manual transmission gear lube 70W80 GL-4 that offers quicker shifts, improved coefficient of friction, and better gear protection. Also provides better cold shifting and works with high and low mileage vehicles. SINCE 1979 In 1979, Red Line Synthetic Oil began creating lubricants for the racing industry. Today, we manufacture more than 100 quality products, including motor oils, gear oils, assembly lubes, fuel additives and our popular WaterWetter cooling additive for the automotive, motorcycle, marine and industrial markets. TECHNOLOGY Using cutting edge technology, Red Line responds to the technical challenges of today's performance industry. We are enthusiasts that stay on top of each market niche, ensuring product recommendations that result in serious performance gains. We use this knowledge of racing to create high-performance products for track cars and street vehicles. Red Line products perform and protect better than any on the market. No compromises.

Product Reviews:

Fisqual
5.0 out of 5 stars

Perfect for Fiat 500 requiring GL4 manual transmission fluid
Reviewed in the United States on December 2, 2022
Size: Quart
Verified Purchase
Perfect for Fiat 500 requiring GL4 manual transmission fluid. Shifts are slick and feel just like it did with the OEM fluid. AND it's cheaper than fluid sourced from the dealer!

I've been using Redline MTL or MT90 in all GL4-required manual transmissions for a long time and this stuff always feels great and lasts a long time.
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Helpful
dig012
5.0 out of 5 stars

E24 Gear box oil
Reviewed in the United States on November 1, 2022
Size: Quart
Verified Purchase
Excellent
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Helpful
Juan M Perez Santiago
5.0 out of 5 stars

Works as advertised
Reviewed in the United States on September 27, 2022
Size: Quart
Verified Purchase
Used this on my 2012 Mazdaspeed 3. Car reached 100K miles so I wanted to do some preventive maintenance. 1 week since I changed the transmission oil and so far so good. I do feel 1st through 3rd gears a little more smooth.
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Helpful
Michael in Southern NJ.
5.0 out of 5 stars

Noticeably less gear wear visible with Red Line gear oil.
Reviewed in the United States on August 28, 2022
Size: Quart
Verified Purchase
Noticeably less gear wear with RedLine gear oil. You can tell by the color of the fluid that is drained. I had 50K on my fluid change from a VW 6 speed and it was still a slightly grayish pink color, like the original. I didn't expect that color. VW OEM fluid is not synthetic and I changed to Red Line at about 15-20K and as expected the original fluid was quite dark and dirty. I have mixed MTL w/ MT-LV 1/3 MTL to 2/3 MT-LV for summer use. Don't notice any notchy shifts. Try it yourself.
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Helpful
YTP
5.0 out of 5 stars

Expensive. But worth it.
Reviewed in the United States on September 6, 2022
Size: Quart
Verified Purchase
I read quite a lot of information on what manual transmission fluid to use, and this came highly recommended. I used it for my 2016 Mazda3, and the shifts feel as good as OEM, if not slightly better.
If you are looking for a transmission fluid, this is a much better option than putting the 'suitable for GL4, GL5, ...' stuff from other brands.
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Helpful
Amazon Customer
5.0 out of 5 stars

Wrangler TJ
Reviewed in the United States on September 28, 2022
Size: Quart
Verified Purchase
Runs good
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Helpful
Neil Coffman
5.0 out of 5 stars

Best oil for manual transmission.
Reviewed in the United States on August 10, 2022
Size: Quart
Verified Purchase
I was looking for an alternative to 10-30 motor oil for my manual transmission. This product made a huge difference for the better. I would recommend it 100%.
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MP220
5.0 out of 5 stars

Butter smooth shifts
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