GL-5; Differential, Marine & Chaincase Applications
New for 2025 a slightly more fluid version of the ever popular 75W-90. Save even more fuel w/o sacrificing wear.
Severe Gear 75W-90 Our #1 Draw from new customers. 140 products and this is the one! Best differential lube on the planet!
Severe Gear 80W-90 Gear Lube A multi-functional Gear Lube excellent for Transaxles and older differentials.
Severe Gear® 75W-140 Some Differentials need a heavier viscosity. Use the one that can both protect AND keep temps down!
Universal Synthetic Marine Gear Lower Unit Oil Another product that goes beyond what you thought was "Good enough". Your boat deserves it!
Synthetic Chaincase & Gear Oil Long-Lasting Performance for ATVs and Snowmobiles Lose that sound! Stop neglect! Amazing results!
Long Life Synthetic Gear Lube Specifically Engineered for 500,000-Mile Service in Over-the-Road Trucks All season summer and winter performance. Outperforms all conventional gear oils.
Slip Lock Gear Oil Additive Advanced friction modifiers and is designed to eliminate gear-housing chatter in vehicles equipped with limited-slip and positraction differentials.
75W-90 Long Life Synthetic Gear Lube Specifically Engineered for 500,000-Mile Service Life in Over-the-Road Trucks Engineered for extended drain intervals up to 500,000 miles as set by equipment manufacturers for over-the-road trucks and heavy equipment. Provides long life in passenger cars and trucks. Excellent all season summer and winter performance. .
Severe Gear® SAE 250 Engineered to Protect Hard-driven Racing Differentials Recommended for racing applications that require heavier-viscosity gear lubricants. Engineered specifically for the demands of severe racing conditions. Provides improved flow over conventional oils, reducing viscous drag and power loss. The ultimate line of defense against wear, pitting and scoring. Extends gear life.
Severe Gear® 75W-110 For the severe operating conditions of today's hard working vehicles Outperforms all conventional gear oils. Recommended for all types of vehicles.
