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GM 12677665 Exhaust Manifold Assembly

2013-2017 GM

Customer Questions & Expert Answers (8)
GM 12677665 Exhaust Manifold Assembly
  • Part Description
    Manifold Assembly, Exhaust
  • Replaces
    12648339
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • 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 steps should be followed for the left side manifold for the 2017 Chevrolet Express? Posted by Customer
    A:
    For the left side manifold, remove the Secondary AIR injection pipe and the EGR pipe if equipped, then repeat the process of detaching the spark plug wires and removing the plug wire retaining bracket.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What needs to be done with the spark plug wires and spark plugs for the 2016 Chevrolet Express? Posted by Customer
    A:
    Detach the spark plug wires and remove the spark plugs from the side being worked on. If both manifolds are being removed, detach all spark plug wires and remove all spark plugs.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What needs to be removed before accessing the exhaust manifold for the 2013 Chevrolet Silverado? Posted by Customer
    A:
    Remove the inner fender splash shield.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the first step in disconnecting the exhaust manifold for the 2013 Chevrolet Silverado? Posted by Customer
    A:
    Disconnect the cable from the negative terminal of the battery.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How should the manifold be installed on the cylinder head for the 2014 GMC Yukon? Posted by Customer
    A:
    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 is the first step in disconnecting the exhaust manifold for the 2014 GMC Yukon? Posted by Customer
    A:
    Disconnect the cable from the negative terminal of the battery.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the first step in disconnecting the battery for the 2013 GMC Sierra? Posted by Customer
    A:
    Disconnect the cable from the negative terminal of the battery.
    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.

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