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GM 12556039
Exhaust Manifold

2001-2002 GM

Customer Questions & Expert Answers (8)
GM 12556039 Exhaust Manifold
  • Part Description
    Manifold, Engine Exhaust Manifold
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2001-2002 Chevrolet Express 2500Base, LS8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    2001-2002 Chevrolet Express 3500Base, LS8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    2001-2002 GMC Savana 2500Base, SLT8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS
    2001-2002 GMC Savana 3500Base, SLT8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12556039 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12556039 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How do you remove the exhaust manifold for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Remove the exhaust manifold bolts through the wheelhouse and take out the exhaust manifold along with the exhaust manifold gaskets and spark plug wire shields from the engine.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How should the new components be prepared for installation for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Sub-assemble the NEW gaskets, spark plug wire shields, and bolts to the exhaust manifold, ensuring the bolts are held in place by the tabs on the gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the first step in the installation process for the 2001 Chevrolet Express 3500? Posted by Customer
    A:
    Begin by installing the exhaust manifold.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after securing the spark plug wire support for the 2001 GMC Savana 2500? Posted by Customer
    A:
    Install the EGR valve inlet pipe to the exhaust manifold, tightening the nut to 30 Nm (22 ft. lbs.), followed by the catalytic converter assembly, the fender wheelhouse extension, and the left front tire.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done before removing the exhaust manifold for the 2001 GMC Savana 3500? Posted by Customer
    A:
    Remove the spark plugs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be removed before taking out the exhaust manifold for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Remove the spark plugs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after the Oil level indicator tube for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Follow by installing the exhaust pipe to the exhaust manifold.
    Posted by ChevyPartsGiant 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!

OEM GM Exhaust Manifold 12556039 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12556039 Exhaust Manifold is available in the market under the name GM Exhaust Manifold. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12556039 Exhaust Manifold fits certain Chevrolet Express 2500, Express 3500 models, as well as GMC Savana 2500, Savana 3500 models.
The original GM component designated by manufacturer part number 12556039 maintains top performance when functioning as the Manifold, Engine Exhaust Manifold unit. The component 12556039 is constructed from durable material and its dimensions span 20.7 x 8.8 x 4.1 inches while weighing 15.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12556039 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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