Fluid · Engine Oil
Engine Oil
for 2003 GMC Sierra 3500 8.1L V8 · 4WD
Fluid Type
5W-30 conventional or synthetic
Spec: API SJ or higher
Capacity
6.5qt
6.15 L
Drain & Refill
6.5 qt
6.15 L
Change Interval
5,000 mi
8,045 km
Notes
Capacity includes filter. Vortec 8100 (496ci) big block
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1 qt
Brake Fluid
1 qt
Coolant
27 qt
Coolant
27 qt
Front Differential
3.5 qt
Power Steering
2 qt
Power Steering
2 qt
Rear Differential
4.2 qt
Rear Differential
4.2 qt
Transfer Case
4 qt
Automatic Transmission
24 qt
Automatic Transmission
24 qt
Manual Transmission
4.2 qt
Manual Transmission
4.2 qt
Washer Fluid
4 qt
Washer Fluid
4 qt