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Chevrolet 12678311 Throttle Body Assembly

2011-2016 Chevrolet Silverado

Customer Questions & Expert Answers (5)
GM 12678311 Throttle Body Assembly
  • Part Description
    Body Assembly, Throttle
  • Replaced By
    19420702
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12678311
    Part DescriptionBody Assembly, Throttle
    Other NamesThrottle Body
    Item Dimensions7.1 x 5.3 x 10.2 inches
    Item Weight6.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12678311
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2011-2016 Chevrolet Silverado8 Cyl 6.6L Diesel2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12678311 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove the Throttle Body and Fuel Injector on V6 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL? Posted by Customer
    A:
    To remove the upper intake manifold, first disconnect the negative battery cable and relieve fuel system pressure. Disconnect various electrical connectors, including those for the EVAP canister purge solenoid and MAP sensor, and remove the PCV crankcase ventilation hose. Remove the upper intake manifold mounting bolts and throttle body mounting studs, and discard the old gasket. To remove the fuel pulsation damper, remove the retaining clip and pull it out of the Throttle Body, then discard the old o-ring. To remove the throttle body and injectors, remove the fuel supply line and various seals, detach the injector poppet nozzles, and remove the injector retainer nuts and retainer. Installation for all components is the reverse of removal, using new gaskets and o-rings where necessary and tightening fasteners to proper torque specifications.
    Posted by GMPartsGiant Specialist
    Q:
    What should I do to inspect the throttle body for the 2007 Chevrolet Silverado? Posted by Customer
    A:
    Start by removing the air intake duct and checking for carbon and residue build-up in the throttle body bore.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Throttle Body
    Q:
    What should I do when installing the new throttle body for the 2008 GMC Sierra? Posted by Customer
    A:
    Use a new gasket and tighten the mounting fasteners to the torque specifications.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Throttle Body
    Q:
    How should the fuel meter body and injectors be removed of the 2012 GMC Sierra? Posted by Customer
    A:
    Remove the fuel supply line and various seals, detach the injector poppet nozzles, and remove the injector retainer nuts and retainer.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Throttle Body
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12678311, the Right Choice

To ensure reliability, purchase GM part # 12678311 Throttle Body Assembly. It is sometimes referred to as Chevrolet Throttle Body. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado models.

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