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GM 12611638 Engine Exhaust Manifold Assembly

2008-2017 GM

Customer Questions & Expert Answers (3)
12611638 GM Engine Exhaust Manifold Assembly Illustration 1 of 1
  • Part Description
    Manifold Assembly, Exhaust ; Manifold, Engine Exhaust Manifold
  • Replaces
    12596743
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12611638
    Part DescriptionManifold Assembly, Exhaust ; Manifold, Engine Exhaust Manifold
    Other NamesExhaust Manifold
    Item Dimensions21.8 x 9.3 x 6.3 inches
    Item Weight14.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12596743
    ManufacturerGeneral Motors
    SKU12611638
    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
    2010-2015 Chevrolet Camaro8 Cyl 6.2LSS 2 DOOR CONVERTIBLE, SS 2 DOOR COUPE
    2014-2017 Chevrolet SS8 Cyl 6.2LSS 4 DOOR SEDAN
    2008-2009 Pontiac G88 Cyl 6.0L, 8 Cyl 6.2L4 DOOR SEDAN, G-8
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12611638 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done to the catalytic converter-to-Exhaust Manifold studs and nuts before removal for the 2011 Chevrolet Camaro? Posted by Madej M.
    A:
    Apply penetrating oil to the catalytic converter-to-manifold studs and nuts, which are often rusty. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / May 04, 2026
    Q:
    What preparation is needed for the Exhaust Manifold pipe-to-manifold studs and nuts for the 2012 Chevrolet Camaro? Posted by Raheem F.
    A:
    Apply penetrating oil to the exhaust pipe-to-manifold studs and nuts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Oct 25, 2024

Genuine GM Part 12611638, the Right Choice

To ensure reliability, purchase GM part # 12611638 Engine 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 Camaro, SS models. It fits Pontiac G8.

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