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Hardware, Fasteners & Fittings for 2026 GMC Sierra 2500 HD

Part # / Description / Price
Price
Engine Cylinder Head Core Hole Plug
GM GM
Description: Location-Cylinder Head. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $5.43
$3.57
MSRP $5.43
$3.57
Engine Core Plug
GM GM
Description: Location-Engine Block. 19mm.
MSRP $1.27
$0.84
MSRP $1.27
$0.84
Engine Core Plug
GM GM
Description: Location-Engine Block. 40mm.
MSRP $7.73
$5.06
MSRP $7.73
$5.06