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GM 12557287
Exhaust Manifold, Driver Side

2001-2007 GM

Customer Questions & Expert Answers (14)
GM 12557287 Exhaust Manifold, Driver Side
  • Part Description
    Manifold, Engine Exhaust Manifold
  • Position
    Driver Side
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Suburban 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2006 GMC Sierra 2500 HDBase, SL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2007 GMC Sierra 2500 HD ClassicSL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2001-2006 GMC Sierra 3500Base, SL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2007 GMC Sierra 3500 ClassicSL, SLE, SLT, WT8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12557287 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12557287 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How do you install the new exhaust manifold for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Place a new exhaust manifold gasket, then install the exhaust manifold.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How do you release the spark plug boot for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Twist the spark plug boot one-half turn to release it, then pull only on the boot to avoid damaging the spark plug or wire.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after removing the exhaust manifold pipe nuts for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Lower the vehicle and proceed to remove the spark plugs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be removed after the spark plugs for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Remove the exhaust manifold bolts, manifold, and gasket, discarding the old gasket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    How do you release the spark plug boot for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Twist the spark plug boot one-half turn to release it, then pull only on the boot to avoid damaging the wire.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after installing the gasket for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Install the spark plugs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after removing the heat shield for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Clean and inspect the exhaust manifold.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after installing the exhaust manifold for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Raise the vehicle again to install the heat shield and its bolts and nuts, tightening them to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the gasket tab for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Bend the gasket tab at the rear of the gasket around the cylinder head edge with a flat punch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after removing the spark plug boot for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Remove the spark plug wires from the spark plugs and ignition coils, followed by the spark plugs themselves.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after raising the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Remove the exhaust manifold pipe nuts and lower the vehicle to access the exhaust manifold bolts, manifold, and gasket, which should be removed and discarded.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the final step in the process for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Reinstall the wheelhouse panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the exhaust manifold bolts for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the exhaust manifold bolts and the exhaust manifold itself, discarding the exhaust manifold gasket and catalytic converter seal.
    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, Driver Side 12557287 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 12557287 Exhaust Manifold, Driver Side 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 12557287 Exhaust Manifold, Driver Side fits certain Chevrolet Silverado 2500 HD, Silverado 3500, Avalanche 2500 models, as well as GMC Sierra 2500 HD, Sierra 3500, Sierra 2500 HD Classic models.
The original GM component designated by manufacturer part number 12557287 maintains top performance when functioning as the Manifold, Engine Exhaust Manifold unit at its Driver Side. The component 12557287 is constructed from durable material and its dimensions span 25.5 x 10.3 x 6.1 inches while weighing 16.10 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Manifold. The part 12557287 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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