Make sure this part fits

GM 20920631
Muffler & Pipe

2009-2013 GM

Customer Questions & Expert Answers (5)
GM 20920631 Muffler & Pipe
  • Part Description
    Muffler, Exhaust; Exhaust Pipe
  • Replaces
    20779900, 25940533
  • 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 Number20920631
    Part DescriptionMuffler, Exhaust; Exhaust Pipe
    Other NamesMuffler
    Item Dimensions102.2 x 32.7 x 15.5 inches
    Item Weight244.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces20779900, 25940533
    ManufacturerGeneral Motors
    SKU20920631
    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
    2009-2013 Chevrolet Silverado 1500LS, LT, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
    2009-2013 GMC Sierra 1500SLE, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 20920631 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 20920631 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be repeated for a 5.3L or 6.0L engine during installation for the 2009 Chevrolet Silverado 1500? Posted by Customer
    A:
    Repeat the lubrication and installation process.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the next step after removing the vent hose for the 2010 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the rear shock absorber lower bolts and nuts, lower the rear axle if necessary, and then remove the exhaust muffler to exhaust manifold pipe nuts and loosen the exhaust muffler clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done after tightening the exhaust components for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Raise the rear axle using the adjustable jack stands if necessary, then install and tighten the rear shock absorber lower bolts and nuts to 95 Nm (70 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What is the first step to replace the disc brake splash shield on the front for the 2010 GMC Sierra 1500? Posted by Customer
    A:
    First, raise and support the vehicle, then lower the spare tire.
    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 20920631, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 20920631 Muffler & Pipe. It is sometimes referred to as GM Exhaust Pipe, GM Muffler. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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