K 1500 Truck 4WD V8-305 5.0L VIN M SFI (1996)
Fluid - Differential: Fluid Type Specifications
Front Axle
SAE 80W-90 GL5 Gear Lubricant. GM P/N 1052271
Rear Axle - Locking Differential (G80)
This Article has been updated by TSB # 76-02-02A.
SAE 80W-90 GL5 Gear Lubricant, GM P/N 1052271. Do not use limited slip additive.
Rear Axle - Non-Locking Differential
Standard Differential (Non-Locking)
SAE 80W-90 GL-5 Gear Lubricant GM P/N 1052271
HD-3500 Dana 11.0 inch Axle
SAE 75W-140 Synthetic Gear lubricant GM P/N 12378261
