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1965 GMC C2500
305 cu in (5.0L) GMC V6•RWD•MANUAL•gas
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Repairs0Labor454Torque133Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1965 GMC C2500 305 cu in (5.0L) GMC V6 · RWD
Fluid Type
10W-30 or 10W-40
Spec: API SB or SC
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km

Notes

Capacity with filter. Modern equivalents API SG or higher acceptable

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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