Make sure this part fits

GM 15798942
Muffler

2006-2007 GM

Customer Questions & Expert Answers (12)
GM 15798942 Muffler
  • Part Description
    Muffler, Exhaust
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2006 Chevrolet Silverado 1500LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 ClassicLT8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 1500 HDLT8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 2500 HDLS, LT, WT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 3500LS, LT, WT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 6.0 L GAS
    2006 GMC Sierra 1500Denali, SLE, SLT8 Cyl 6.0 L GAS
    2007 GMC Sierra 1500 ClassicDenali, SLE, SLT8 Cyl 6.0 L GAS
    2006 GMC Sierra 1500 HDSLE, SLT8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15798942 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798942 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the next step after removing the heat shield for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the left exhaust pipe heat shield bolts and the heat shield itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What are the final steps after completing the muffler installation for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Raise the rear axle if necessary, install the rear shock absorbers lower bolts and nuts, tightening them to 95 Nm (70 ft. lbs.), reinstall the rear axle vent hose, connect the vent hose swivel clip to the rear brake crossover pipe, then remove the adjustable jack stands and install the spare tire before lowering the vehicle.
    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 Chevrolet Silverado 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 final step in the process for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Reinstall the transmission support crossmember and its bolts, tightening them to 95 Nm (70 ft. lbs.), lower the transmission onto the support, and install the transmission mount to transmission support nuts, tightening to 40 Nm (30 ft. lbs.). Finally, remove the support from the transmission and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after removing the exhaust pipe bolts for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Take out the exhaust pipe, bracket, and gaskets, discarding the gaskets.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the next step after removing the oxygen sensor for the 2006 GMC Sierra 1500? 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 ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the last action to complete the process for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the support from the transmission and reinstall the HO2S.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done for installation of the new muffler for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Apply lubricant to the exhaust insulators to assist with the process.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    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
    Q:
    What should be done if it is equipped with an 8.6 or 9.5 inch ring gear for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the rear axle vent hose and the vent hose swivel clip from the rear brake crossover pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done for an 8.6 or 9.5 inch ring gear for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Remove the rear axle vent hose and the vent hose swivel clip from the rear brake crossover pipe.
    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 15798942 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 15798942 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 15798942 Muffler fits certain Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 models, as well as GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 models.
The original GM component designated by manufacturer part number 15798942 maintains top performance when functioning as the Muffler, Exhaust unit. The component 15798942 is constructed from durable material while weighing 61.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 15798942 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.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.