My Cart


Red Line 75W90NS Gear Oil


Price is per quart!


75W90 NS GL-5 Gear Oil 

The 75W90NS gear oil contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required. This is the recommended fluid for rear differentials which use clutch packs or have an LSD. THIS IS NOT INTENDED TO BE USED IN A MITSUBISHI TRANSMISSION.

Designed for certain types of transmissions and transaxles - helps to slow synchros for easier shifting across a broad temperature range


Contains extreme pressure additives like the Redline 75W90 GL-5 oil, but lacks friction modifiers to balance slipperiness

Improved copper corrosion protection to prolong synchro life

Helps with lock-up on weak limited-slip differentials-compatible with Red Line Limited Slip Friction Modifier for tuning slippage

Also used with clutch-type LSDs in racing for maximum lock up
Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360


If you are purchasing one of our rebuild services, e-mail us at sales@jackstransmissions for a discount on Redline gear oil.

Hello You!

Enter your email address for stock alerts, discounts, promotions and more!