Non-Locking Differential

Rear Axle with Non Limited Slip or Non Locking Differentials




HD-3500 Trucks (Dana 11.0 axles)
Recommended Lubricant - GM P/N 12346140, SAE 75W-140 Synthetic Gear Lubricant.


1999 GMT 800 Trucks
Recommended Lubricant - GM P/N 12378261, SAE 75W-90 Synthetic Axle Lubricant.

All other non limited-slip or non locking differentials including B and D cars, S/T, M/L, G, P, and C/K trucks except GMT 800 trucks, and as noted above.
Recommended Lubricant - GM P/N 1052271 or an SAE 80W90 GL-5 Gear Lubricant.