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GM 15798950
Muffler

2001-2007 GM

Customer Questions & Expert Answers (15)
GM 15798950 Muffler
  • Part Description
    Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • 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
    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
    2003-2004 Chevrolet Suburban 2500LS, LT8 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
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15798950 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798950 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done if it is equipped with an 8.6 or 9.5 inch ring gear for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Remove the rear axle vent hose and its swivel clip from the rear brake crossover pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the final step in the installation process for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Tighten the exhaust pipe bolts in the proper sequence to 53 Nm (39 ft. lbs.), and remove the turbocharger exhaust pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What needs to be done depending on the side being replaced for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Either remove the exhaust muffler nuts or loosen the exhaust pipe clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after supporting the transmission for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Remove the transmission mount to transmission support nuts, raise the transmission off the support, and take out the transmission support crossmember bolts and the crossmember itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the first step to replace the muffler on 6.0L, 6.6L, and 8.1L engines for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Begin by raising and supporting the vehicle, and removing the spare tire if needed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the procedure for positioning the new band clamp on the intermediate exhaust pipe for 6.0L or 8.1L engines for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Use the previous alignment mark, ensure the band clamp bolt is not below the exhaust pipe, then install and tighten the exhaust muffler nuts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the procedure if not replacing the muffler as an assembly for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Mark the band clamp's position on the intermediate exhaust pipe, grind the weld to remove it, and install a new band clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the first step to replace the muffler on a 2500/3500 Cab/Chassis with a 6.0L engine for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    First, raise and support the vehicle, and remove the spare tire if needed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What if the exhaust manifold pipe was not replaced for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Reconnect the oxygen sensor electrical connector, CPA retainer, and clip.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the procedure if the muffler is not being replaced as an assembly for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Replace the band clamp by marking its position on the intermediate exhaust pipe, grinding the weld to remove it, and installing a new band clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the final step in the process for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Remove the transmission jack and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the next step after applying lubricant for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    Detach the muffler brackets from the insulators and remove the exhaust muffler.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the final step regarding the transmission for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Lower the transmission onto the support and install the transmission mount to transmission support nuts, tightening them to 40 N.m (30 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Perform the same steps regarding the vent hose as for the 8.6 or 9.5 inch ring gear.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    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 15798950 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 15798950 Muffler 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 15798950 Muffler 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 15798950 maintains top performance when functioning as the Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W unit. The component 15798950 is constructed from durable material and its dimensions span 110.4 x 30.9 x 17.8 inches while weighing 59.90 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, Exhaust. The part 15798950 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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