Make sure this part fits

GM 15798962
Muffler

2003-2006 GM

Customer Questions & Expert Answers (11)
GM 15798962 Muffler
  • Part Description
    Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W
  • Replaces
    15070023, 15103198, 15113072, 15147361, 15094497
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2006 Chevrolet Silverado 1500LS, LT, SS8 Cyl 6.0 L GAS
    2005-2006, 2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L GAS
    2003-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2003-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2003-2006 GMC Sierra 1500Base, Denali, SLE, SLT, WT8 Cyl 6.0 L GAS
    2005-2006, 2003 GMC Sierra 1500 HDSLE, SLT8 Cyl 6.0 L GAS
    2003-2004 GMC Sierra 2500Base, SLE, SLT, WT8 Cyl 6.0 L GAS
    2003-2006 GMC Sierra 2500 HDBase, SL, SLE, SLT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2003-2006 GMC Sierra 3500Base, SL, SLE, SLT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15798962 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798962 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    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:
    What should be done for an 8.6 or 9.5 inch ring gear for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Install the rear axle vent hose and connect the vent hose swivel clip.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What specific steps are needed for 6.0L or 8.1L engines for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Remove the exhaust muffler, detach the clip around the engine harness and oxygen sensor pigtail, disconnect the connector position assurance (CPA) retainer, and the oxygen sensor electrical connector before removing the oxygen sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after tightening the exhaust pipe bolts for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the exhaust pipe heat shield bolts, tightening them to 8 Nm (71 inch lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the torque specification for the exhaust muffler nuts on 6.6L engines for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Install and tighten the exhaust muffler nuts to 40 Nm (30 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What specific steps are needed for 6.0L or 8.1L engines for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Remove the exhaust muffler, disconnect the oxygen sensor by removing the clip around the engine harness, disconnect the connector position assurance (CPA) retainer, and the electrical connector, then remove the oxygen sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the torque specification for the exhaust pipe clamp bolt for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Tighten it to 44 Nm (33 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done with the exhaust manifold pipe for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Remove the exhaust manifold pipe and discard the seal.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after raising the 2004 GMC Sierra 1500? Posted by Customer
    A:
    Remove the exhaust muffler nuts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    How do you secure the new muffler for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Install the muffler onto the insulators and secure it with the exhaust muffler nuts, tightening them to 40 Nm (30 ft. lbs.).
    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 15798962 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 15798962 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 15798962 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 15798962 maintains top performance when functioning as the Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W unit. The component 15798962 is constructed from durable material and its dimensions span 125.3 x 24.7 x 15.5 inches while weighing 68.80 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 15798962 has available replacement options 15070023, 15103198, 15113072, 15147361, 15094497. 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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