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Make sure this part fits

GM 15798949
Muffler & Pipe

2001-2007 GM

Customer Questions & Expert Answers (8)
GM 15798949 Muffler & Pipe
  • Part Description
    Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • 2007 GMC Sierra 2500 HD Classic Muffler & Pipe Diagram for 15798949
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 15798949

  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2005 Chevrolet Silverado 1500LS, LT, SS8 Cyl 6.0 L GAS
    2005, 2001-2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2001-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2001-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2001-2005 GMC Sierra 1500Base, C3, Denali, SLE, SLT, WT8 Cyl 6.0 L GAS
    2005, 2001-2003 GMC Sierra 1500 HDSLE, SLT8 Cyl 6.0 L GAS
    2001-2004 GMC Sierra 2500Base, SL, SLE, SLT, WT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 15798949 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798949 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What should be done after removing the oxygen sensor for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Remove the exhaust manifold pipe nuts, lower the transmission slightly, and for 6.6L engines, remove the exhaust muffler nuts and loosen the exhaust pipe clamp, sliding it up onto the exhaust pipe adapter.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Exhaust Pipe
    Q:
    What should be done before installing the new muffler for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    Again, apply lubricant to the exhaust insulators to assist with the process.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Muffler
    Q:
    What is the first step to replace the muffler on 6.0L, 6.6L, and 8.1L engines for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Raise and support the vehicle, removing the spare tire if needed, and install adjustable jack stands under the rear axle if necessary.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Muffler
    Q:
    What is the procedure for installing the exhaust manifold pipe for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Slide the hanger into the bracket, install a new exhaust manifold pipe seal again, and then install the exhaust manifold pipe.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Exhaust Pipe
    Q:
    What is the first step to replace the muffler on 4.3L, 4.8L, and 5.3L engines for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    First, raise and suitably support the vehicle.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Muffler
    Q:
    What should be done for 6.0L engines with RPO Y91 for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Install a new exhaust manifold pipe seal before installing the exhaust manifold pipe.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Exhaust Pipe
    Q:
    How do you detach the exhaust muffler from the exhaust manifold pipe for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the nuts connecting the exhaust muffler to the exhaust manifold pipe, followed by the nuts connecting the exhaust manifold pipe to the exhaust manifold.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Exhaust Pipe
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Muffler & Pipe 15798949 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 15798949 Muffler & Pipe is available in the market under the name GM Exhaust Pipe, Muffler. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 15798949 Muffler & Pipe fits certain Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 2500 models, as well as GMC Sierra 1500, Sierra 2500 HD, Sierra 2500 models.
The original GM component designated by Manufacturer Part Number 15798949 maintains top performance when functioning as the Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe unit. The component 15798949 is constructed from durable material and its dimensions span 140.4 x 31.2 x 17.0 inches while weighing 80.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Muffler; Muffler, Exhaust. The part 15798949 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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