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GM 12686302 Exhaust Manifold Assembly

2007-2020 GM

Customer Questions & Expert Answers (7)
GM 12686302 Exhaust Manifold Assembly
  • Part Description
    Manifold Assembly, Exh
  • Replaces
    12677663, 12612084, 12647717
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12686302
    Part DescriptionManifold Assembly, Exh
    Other NamesExhaust Manifold
    Item Dimensions24.2 x 9.7 x 8.2 inches
    Item Weight13.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12677663, 12612084, 12647717
    ManufacturerGeneral Motors
    SKU12686302
    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
    2008-2020 Chevrolet Express8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2007-2019 Chevrolet Silverado8 Cyl 6.0L, 8 Cyl 6.0L Flex2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 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 ONLY), 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
    2016-2019 Chevrolet Suburban8 Cyl 6.0L Flex3500 4 DOOR UTILITY
    2020, 2008-2018 GMC Savana8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
    2007-2019 GMC Sierra8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 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 1 TON 119.0, CREW CAB 1 TON 137.0, 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, EXTENDED CREW CAB 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 12686302 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be removed next in the process for the 2012 Chevrolet Express? Posted by Customer
    A:
    Remove the nuts retaining the exhaust pipe(s) to the manifold(s).
    Posted by GMPartsGiant Specialist
    Q:
    How should the heat shields, bolts, and gaskets be installed for the 2001 Chevrolet Express? Posted by Customer
    A:
    Position the manifold on a bench to install the heat shields, bolts, and gaskets, then place the manifold on the cylinder head and install the mounting bolts finger tight.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the exposed end of the exhaust manifold gasket for the 2010 Chevrolet Silverado? Posted by Customer
    A:
    If required, bend the exposed end of the exhaust manifold gasket back against the cylinder head.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What needs to be removed before removing the exhaust manifold for the 2008 GMC Sierra? Posted by Customer
    A:
    Remove the oil dipstick tube.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the spark plug wires for the 2009 Chevrolet Silverado? Posted by Customer
    A:
    Disconnect them and remove them from their retainers, laying them out of the way.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after applying penetrating oil for the 2009 GMC Sierra? Posted by Customer
    A:
    Remove the nuts retaining the exhaust pipe(s) to the manifold(s).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    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 12686302, the Right Choice

To ensure reliability, purchase GM part # 12686302 Exhaust Manifold Assembly. It is sometimes referred to as GM Exhaust Manifold. 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 Express, Silverado, Suburban models. It fits GMC Savana, Sierra.

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