Factory diagram — Muffler
Factory diagrams
GMC
Muffler
UsedOEM
OEM GMC Muffler part #20779916
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Close match — verify with VIN before checkout. VIN check beats regret.
Estimated Dispatch
Ships in 24–48 hours
$1,059.32
Specifications
SKU
FTM-CHARM-20779916
OEM Part #
20779916
Shipping Class
ground
Warranty
—