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GM 12574406
Exhaust Manifold, Driver Side

2003-2007 GM

Customer Questions & Expert Answers (14)
GM 12574406 Exhaust Manifold, Driver Side
GM 12574406 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
    2003-2007 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS
    2003-2006 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS
    2003-2007 Chevrolet Silverado 1500Base, LS, LT, WT6 Cyl 4.3 L GAS
    2007 Chevrolet Silverado 1500 ClassicLS, WT6 Cyl 4.3 L GAS
    2003-2007 GMC Savana 1500Base, LS, LT, SLE6 Cyl 4.3 L GAS
    2003-2006 GMC Savana 2500Base, SLE6 Cyl 4.3 L GAS
    2003-2007 GMC Sierra 1500Base, SL, SLE, SLT, WT6 Cyl 4.3 L GAS
    2007 GMC Sierra 1500 ClassicSL, WT6 Cyl 4.3 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12574406 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12574406 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done after disconnecting the ECT sensor for the 2005 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the bolts/stud for the exhaust manifold and spark plug wire shields, then take off the shields and discard the exhaust manifold gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    Why is it important to use a new gasket when servicing the exhaust manifold for the 2006 Chevrolet Express 1500? Posted by Customer
    A:
    Reusing the exhaust manifold-to-cylinder head gaskets can lead to improper sealing and affect on-board diagnostics (OBD) II system performance.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the torque specification for tightening the exhaust manifold bolts and nuts for the 2006 Chevrolet Express 1500? Posted by Customer
    A:
    Tighten the exhaust manifold bolts and nuts to 38 Nm (28 ft. lbs.) in the proper sequence.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What components should be removed after disconnecting the spark plug wires for the 2005 Chevrolet Express 2500? Posted by Customer
    A:
    The bolts and the spark plug wire support.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be removed after disconnecting the ECT sensor for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the bolts/stud securing the exhaust manifold and spark plug wire shields, then take off the shields and discard the exhaust manifold gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    Where should the wire harness be positioned for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    Position the wire harness on top of the engine.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the procedure for removing the exhaust manifold for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Remove the exhaust manifold and spark plug wire shields bolts/stud, then take off the exhaust manifold and plug wire shields, discarding the old exhaust manifold gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What needs to be removed before taking off the exhaust manifold for the 2005 GMC Savana 2500? Posted by Customer
    A:
    Remove the spark plug wires.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the final torque specification for the bolts for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    A final pass to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after removing the pipe nuts for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Lower the vehicle and loosen the air cleaner outlet duct clamp at the mass airflow (MAF)/intake air temperature (IAT) sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the air cleaner outlet duct for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Pivot it upward until the hinge clip releases from the throttle body, then remove the oil level indicator tube.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done to the exhaust manifold gasket at the rear of the left cylinder head for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Bend over the exposed edge of the exhaust manifold gasket with a flat punch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after lowering for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Take off the exhaust manifold heat shield bolts and shield, followed by removing the spark plugs.
    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 12574406 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 12574406 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 12574406 Exhaust Manifold, Driver Side fits certain Chevrolet Silverado 1500, Express 1500, Express 2500 models, as well as GMC Sierra 1500, Savana 2500, Savana 1500 models.
The original GM component designated by manufacturer part number 12574406 maintains top performance when functioning as the Manifold, Engine Exhaust Manifold unit at its Driver Side. The component 12574406 is constructed from durable material and its dimensions span 24.7 x 9.6 x 8.0 inches while weighing 12.00 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12574406 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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