Factory diagram — Engine
Factory diagrams
GMC
Short Block Under 8500LB GVW
UsedOEM
OEM GMC Short Block Under 8500LB GVW part #12556121
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Estimated Dispatch
Ships in 24–48 hours
$1,276.68
Specifications
SKU
FTM-CHARM-12556121
OEM Part #
12556121
Shipping Class
ground
Warranty
—