Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Since most GL-5 gear oils for differentials are too slippery for manual transmissions, Red Line offers these products that ensure proper shifting while providing ultimate wear protection. 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 applicationDetails: Sold as 1 Quart MTL, MT-85 and 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 Compatible with BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Dodge and Jeep NV1500, NV3500 , NV3550 and NV5600 truck transmissions Compatible replacement for and improvement over GM Synchromesh (12345349), 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, A perfect synchronizer coefficient of friction Eliminates notchy shifting, even when cold High performance gear protection and longer synchro life Satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30 and 5W30Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specifiedAPI Service Class GL-4SAE Viscosity Grade (Motor Oil) 5W30SAE Viscosity Grade (Gear Oil) 75W80Vis at 100 degrees C, CSt 10.4Vis at 40 degrees C, CSt 54.1Viscosity Index 185Pour Point, degrees C neg 50Pour Point, degrees F neg 58Brookfield Viscosity at neg 40 degrees C, Poise 120
Really impressed with the performance of this Red Line 75W80 oil. My car feels much more responsive during shifts and it seems to hold up well under stress. Definitely a must-try for anyone with a manual transmission!
J
Jenna Martinez
Great oil for manual transmissions
I switched to Red Line 50206 for my old Mustang, and it's been a solid choice. The 75W80 viscosity really smoothed out the shifts and reduced grinding in my gearbox. Plus, the 5-gallon pail is a great value for those of us who do a lot of maintenance!
S
Samir Patel
Decent but had shipping issues
The Red Line gear oil works well for my transaxle, but I had some trouble with the delivery. It took a few extra days to arrive, and the pail had a minor dent. Still, the product itself performs nicely and helps with smooth gear changes.
M
Maria Gonzalez
Not as expected
I bought the Red Line lubricant for my transaxle but the color didn't match what I was used to. It seems to work okay, but I was just expecting a different consistency. Just a heads-up for anyone who might be particular about that!
D
David Johnson
Good value for the quantity
This 5-gallon pail of Red Line gear oil is perfect for my needs. I've used it in multiple cars and it keeps everything running smoothly. My only complaint is that the pouring spout could be better designed; it's a bit awkward to handle. But overall, solid oil!
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FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
