Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
Yukon Gear & Axle OK 3-QRT-CONV Conventional Gear Oil
Yukon Gear & Axle OK 3-QRT-CONV-A Conventional Gear Oil
Yukon Gear & Axle (OK F9) Redline Synthetic Oil with Gasket, Nut & Copper Washer
Yukon Gear & Axle OK 3-QRT-A Redline Synthetic Oil
Yukon Gear & Axle Lube (OK 3-QRT-CONV) SAE 80w-90 1 Qt. Gear...
Yukon Gear & Axle Gear Lube OK 3-QRT-CONV-A