Suitable for Chevrolet Silverado HD Classic 8.1 V8 (2004–2006)

For the Chevrolet Silverado HD Classic 8.1 V8 (2004–2006), the manufacturer specifies motor oil 5W-30 (API SQ, ILSAC GF-7A).

Fluids and approvals for the Chevrolet Silverado HD Classic 8.1 V8 (2004–2006)

FluidRequirement
Motor oil5W-30: API SQ, ILSAC GF-7A
Manual gearbox & axle oilDexron III, ZF TE-ML 02F
Automatic transmission fluid (ATF)Allison TES 389, Caterpillar TO-2
Axle & differential oil75W-140, API GL5
Brake fluidGM Europe GMW 3356, DOT 3
Coolant & antifreezeG12, G12+