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GM 15798951
Muffler

2001-2007 GM

Customer Questions & Expert Answers (9)
GM 15798951 Muffler
  • Part Description
    Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W
  • Replaces
    15077789, 15757987
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number15798951
    Part DescriptionMuffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W
    Other NamesMuffler, Exhaust
    Item Dimensions113.2 x 27.7 x 14.8 inches
    Item Weight57.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15077789, 15757987
    ManufacturerGeneral Motors
    SKU15798951
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Trim Engine
    2001-2002 Chevrolet Silverado 2500 HDBase, LS, LT8 Cyl 8.1 L GAS
    2006, 2001-2002 Chevrolet Silverado 3500Base, LS, 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
    2001-2002 GMC Sierra 2500 HDBase, SL, SLE, SLT8 Cyl 8.1 L GAS
    2006, 2001-2002 GMC Sierra 3500Base, SL, 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
  • Customer Questions & Expert Answers

    Q:
    Is this 15798951 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15798951 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    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 is the first step to replace the right exhaust pipe on a 6.6L (LLY) engine for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    First, remove the turbocharger exhaust pipe and then the exhaust pipe bolts in the proper sequence.
    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 if applicable when removing the muffler for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Remove the exhaust manifold pipe gasket and gently pry up the catalytic converter coupling clip to disengage the locator button.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What components need to be removed to take out the muffler for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the exhaust muffler to exhaust manifold pipe nuts, loosen the exhaust muffler clamp, and take out the heated oxygen sensor (HO2S).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the installation process for the 6.6L engine after replacing the muffler for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Install the insulators to the muffler hangers with lubricant, install a new exhaust muffler gasket, slide the muffler forward to connect it to the exhaust muffler pipe, and install the insulators to the frame hangers.
    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:
    How do you detach the exhaust muffler from the exhaust manifold pipe for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the nuts connecting the exhaust muffler to the exhaust manifold pipe, followed by the nuts connecting the exhaust manifold pipe to the exhaust manifold.
    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 15798951, Excellent Performance and Perfect Fitment

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