Make sure this part fits

GM 15798959
Muffler & Pipe

2006-2007 GM

Customer Questions & Expert Answers (9)
GM 15798959 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
  • Vehicle Fitment

    Year Make Model Trim Engine
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2006 Chevrolet Silverado 3500LS, LT, WT8 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
    2007 GMC Sierra 2500 HD ClassicSL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2006 GMC Sierra 3500SL, SLE, SLT, WT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2007 GMC Sierra 3500 ClassicSL, SLE, SLT, WT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15798959 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798959 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 to separate the exhaust pipes for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Detach the necessary exhaust system hangers, support the exhaust with a jack stand, and remove the clip around the engine harness and the oxygen sensor pigtail.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after tightening the exhaust components for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Raise the rear axle using adjustable jack stands if necessary, install the rear shock absorbers lower bolts and nuts, tightening them to 95 Nm (70 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    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 should be removed next after handling the vent hose for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the rear shock absorber lower bolts and nuts, then lower the rear axle using the adjustable jack stands.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the final step for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Install the rear axle vent hose and connect the vent hose swivel clip to the rear brake crossover pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the procedure for a 10.5 inch ring gear for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Perform the same steps as for the 8.6 or 9.5 inch ring gear.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the next step after raising the transmission for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the transmission support crossmember bolts and the crossmember itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar 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 15798959 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 15798959 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 15798959 Muffler & Pipe fits certain Chevrolet Silverado 3500, Silverado 2500 HD Classic, Silverado 3500 Classic models, as well as GMC Sierra 3500, Sierra 2500 HD Classic, Sierra 3500 Classic models.
The original GM component designated by manufacturer part number 15798959 maintains top performance when functioning as the Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe unit. The component 15798959 is constructed from durable material and its dimensions span 149.2 x 36.6 x 17.1 inches while weighing 75.30 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 15798959 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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