2012 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD WT Extended Cab Pickup Fleetside By - PASSENGER valve. EGR Valve - 12639421

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2012 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD WT Extended Cab Pickup Fleetside

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By - PASSENGER valve. EGR Valve.

Part Number: 12639421
Supersession(s): 12638042; 12638670

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