2008 GMC TopKick specs

Maintenance specs from the 2008 GMC TopKick owner's manual. Open a spec for every version and the page it's printed on.

Engines covered: 6.6L V8, 7.2L L6 Caterpillar C7, Isuzu 6H, 8.1L V8, Diesel 7.8 DURAMAX

Engine & fluids

Keys & lighting

Parts for your 2008 GMC TopKick

Matches your manualCR2032 coin battery
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