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GM 15798947
Muffler & Pipe

2001-2007 GM

Customer Questions & Expert Answers (13)
GM 15798947 Muffler & Pipe
  • Part Description
    Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe
  • Replaces
    15147352
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2005-2006 Chevrolet Silverado 1500LS, LT, SS, Z71 Off-Road8 Cyl 6.0 L GAS
    2005-2006, 2001-2002 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2001-2002 Chevrolet Silverado 2500Base, LS, LT8 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 8.1 L GAS
    2005-2006, 2001-2002 GMC Sierra 1500C3, Denali, SLE, SLT8 Cyl 6.0 L GAS
    2005-2006, 2001-2002 GMC Sierra 1500 HDSLE, SLT8 Cyl 6.0 L GAS
    2001-2002 GMC Sierra 2500Base, SL, SLE, SLT8 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 15798947 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798947 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done after raising the transmission with the jack for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    If the exhaust manifold pipe was replaced, apply anti-seize compound to the threads of the old oxygen sensor and install it, tightening to 42 Nm (31 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done for 6.0L or 8.1L engines regarding the band clamp for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Position the new band clamp on the intermediate exhaust pipe according to the alignment mark, ensuring the bolt is not below the pipe, then install the exhaust muffler nuts and tighten the exhaust pipe clamp bolt to 44 Nm (33 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the next step after positioning the exhaust pipe to the turbocharger for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Position the exhaust pipe with a NEW gasket to the exhaust manifold, aligning the tab to face outward, and loosely install the bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    How should the exhaust pipe bolts be removed for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the exhaust pipe bolts in the correct sequence, followed by the exhaust pipe and gaskets, discarding the old gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done for 6.0L or 8.1L engines during installation for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Install the insulators to the muffler hangers with lubricant, install a new exhaust manifold pipe gasket, slide the muffler forward to connect it to the catalytic converter, and install the insulators to the frame hangers.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What additional steps are needed for 6.0L or 8.1L engines for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Remove the exhaust muffler, disconnect the engine harness clip and oxygen sensor pigtail, and then disconnect the CPA retainer and oxygen sensor electrical connector before removing the oxygen sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What are the last steps to complete the muffler replacement for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the adjustable jack stands, reinstall the spare tire if necessary, and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done after supporting the transmission for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the transmission mount to transmission support nuts, then raise the transmission off the transmission support using the jack.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the first step to replace the muffler on 4.3L, 4.8L, and 5.3L engines for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    First, raise and suitably support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    How should the catalytic converter to muffler nuts be secured for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Install the catalytic converter to muffler nuts and tighten them to 45 N.m (33 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done after supporting the transmission for the 2005 GMC Sierra 3500? 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 steps are required for 6.0L or 8.1L engines regarding the exhaust muffler for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Remove the exhaust muffler nuts, loosen the exhaust pipe clamp, and support the exhaust muffler with assistance.
    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 & Pipe 15798947 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 15798947 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 15798947 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 15798947 maintains top performance when functioning as the Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe unit. The component 15798947 is constructed from durable material and its dimensions span 124.6 x 31.3 x 17.5 inches while weighing 70.00 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 15798947 has available replacement options 15147352. 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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