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GM 12677665 Exhaust Manifold Assembly

2013-2017 GM

Customer Questions & Expert Answers (9)
GM 12677665 Exhaust Manifold Assembly
GM 12677665 Exhaust Manifold Assembly
  • Part Description
    Manifold Assembly, Exhaust
  • Replaces
    12648339
  • Manufacturer
    General Motors
Make sure this part fits
$198.20 MSRP: $338.92
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12677665
    Part DescriptionManifold Assembly, Exhaust
    Other NamesExhaust Manifold, Manifold
    Item Dimensions9.2 x 5.3 x 25.1 inches
    Item Weight14.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12648339
    ManufacturerGeneral Motors
    SKU12677665
    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
    2014 Cadillac Escalade8 Cyl 6.2L Flex1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2014-2017 Chevrolet Express8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2013-2016 Chevrolet Silverado8 Cyl 6.0L, 8 Cyl 6.0L Flex2500 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 1/2 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 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2014 Chevrolet Suburban8 Cyl 5.3L Flex, 8 Cyl 6.0L Flex1/2 TON, 3/4 TON
    2014 Chevrolet Tahoe8 Cyl 5.3L Flex4 DOOR 1/2 TON
    2014-2017 GMC Savana8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
    2013-2016 GMC Sierra8 Cyl 5.3L, 8 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 1/2 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 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2014 GMC Yukon8 Cyl 5.3L Flex, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex1/2 TON, 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE

  • 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 12677665 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be removed next in the process for the 2010 Chevrolet Express? Posted by Customer
    A:
    Remove the nuts retaining the exhaust pipe(s) to the manifold(s).
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the spark plug wires for the 2005 Chevrolet Express? Posted by Customer
    A:
    Detach the spark plug wires and remove the plug wire retaining bracket, positioning the wires out of the way.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What needs to be disconnected from the exhaust manifold for the 2007 Chevrolet Silverado? Posted by Customer
    A:
    Disconnect the exhaust pipe/catalytic converter pipe from the exhaust manifold.
    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 2009 GMC Sierra? 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 should be done with the spark plug wires for the 2008 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 to the manifold and cylinder head mating surfaces for the 2013 GMC Sierra? Posted by Customer
    A:
    Clean them before reinstalling the manifolds using a gasket scraper to remove carbon deposits.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How should the alignment of the steering intermediate shaft be marked for the 2012 GMC Yukon? Posted by Customer
    A:
    Use a dab of paint to mark the alignment of the upper section of the steering intermediate shaft to the lower part of the steering column.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How should the mounting bolts be tightened for the 2011 GMC Yukon? Posted by Customer
    A:
    Work from the center to the ends and use a torque wrench. Tighten the bolts in two steps to the torque specifications.
    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 12677665, the Right Choice

To ensure reliability, purchase GM part # 12677665 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 Cadillac Escalade models. It fits Chevrolet Express, Silverado, Tahoe. It also fits GMC Savana, Sierra, Yukon.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12677665 Exhaust Manifold Assembly. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

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