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GM 12557746 Engine Exhaust Manifold

2000-2002 GM

Customer Questions & Expert Answers (3)
GM 12557746 Engine Exhaust Manifold
  • Part Description
    Manifold, Exhaust ; Manifold, Engine Exhaust Manifold
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12557746
    Part DescriptionManifold, Exhaust ; Manifold, Engine Exhaust Manifold
    Other NamesExhaust Manifold
    Item Dimensions16.8 x 8.9 x 4.1 inches
    Item Weight13.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12557746
    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
    2000-2002 Chevrolet Express6 Cyl 4.3L1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2000-2002 GMC Savana6 Cyl 4.3L1/2 TON CARGO SAVANA, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
  • 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 12557746 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What specific steps are required for the right side manifold for the 1999 Chevrolet Express? Posted by Customer
    A:
    For the right side manifold, remove the inner splash shield from the fenderwell, noting that access is easier with the front wheel and inner fenderwell removed, though not absolutely necessary. Then, remove the oil dipstick, unbolt the dipstick tube bracket, and move the dipstick tube. After that, remove the EGR valve and pipe assembly, then remove the mounting bolts and separate the exhaust manifold from the cylinder head, followed by removing the heat shields from the manifold.
    Posted by GMPartsGiant Specialist
    Q:
    What additional components need to be removed for the right side manifold for the 1999 Chevrolet Express? Posted by Customer
    A:
    Remove the oil dipstick and unbolt the dipstick tube bracket. On 2014 and earlier models, removing the inner splash shield from the fenderwell can provide easier access to the exhaust manifold.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
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Genuine GM Part 12557746, the Right Choice

To ensure reliability, purchase GM part # 12557746 Engine Exhaust Manifold. 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 models. It fits GMC Savana.

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