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GM 88959330
Muffler & Pipe

2000-2003 Cadillac Seville

Customer Questions & Expert Answers (7)
GM 88959330 Muffler & Pipe
  • Part Description
    Muffler Assembly, Exhaust (W/Exhaust & Tail Pipe & 3Way Catalytic Converter; Exhaust Pipe
  • Replaces
    25709529
  • 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 Number88959330
    Part DescriptionMuffler Assembly, Exhaust (W/Exhaust & Tail Pipe & 3Way Catalytic Converter; Exhaust Pipe
    Other NamesMuffler, Exhaust; Muffler
    Item Dimensions138.3 x 57.7 x 12.4 inches
    Item Weight78.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces25709529
    ManufacturerGeneral Motors
    SKU88959330
    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
    2000-2003 Cadillac SevilleSLS, STS8 Cyl 4.6 L GAS
  • Customer Questions & Expert Answers

    Q:
    Is 88959330 compatible with my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 88959330 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How should the exhaust downpipe to exhaust manifold bolts be tightened for the 2000 Cadillac Seville? Posted by Customer
    A:
    Apply 40 Nm (30 ft. lbs.) to the two right bolts and the same torque to the left bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    How should the left hand exhaust manifold bolts be tightened for the 2000 Cadillac Seville? Posted by Customer
    A:
    Tighten them to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    How do you remove the muffler for the 2000 Cadillac Seville? Posted by Customer
    A:
    Cut the muffler from the intermediate pipe ahead of the weld, as close to the weld as the tool will allow, then remove the muffler from the muffler hanger and take out the muffler assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be noted about the EGR valve inlet pipe for the 2002 Cadillac Seville? Posted by Customer
    A:
    The EGR valve inlet pipe incorporates a crush seal connection at the water crossover, and it must be replaced if disconnected.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be removed to take the muffler out for the 2001 Cadillac Seville? Posted by Customer
    A:
    Remove the nut securing the rear exhaust hanger to the rear exhaust hanger bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    How do you detach the left exhaust manifold from the front exhaust manifold pipe for the 2001 Cadillac Seville? Posted by Customer
    A:
    Remove the two bolts securing the left exhaust manifold to the front exhaust manifold pipe.
    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 88959330, Excellent Performance and Perfect Fitment

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