Make sure this part fits

GM 10398388
Muffler

2001-2006 GM

Customer Questions & Expert Answers (10)
GM 10398388 Muffler
  • Part Description
    Muffler, Exhaust
  • Replaces
    15113060, 88983219, 10365858, 15090630, 88983220
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2004-2006, 2002 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2004-2006, 2002 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2006 Chevrolet Suburban 1500LTZ8 Cyl 6.0 L GAS
    2001-2006 Chevrolet Suburban 2500Base, LS, LT8 Cyl 6.0 L GAS
    2001-2006 GMC Yukon XL 1500Denali8 Cyl 6.0 L GAS
    2001-2006 GMC Yukon XL 2500SLE, SLT8 Cyl 6.0 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 10398388 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 10398388 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be removed after supporting the transmission for the 2004 Cadillac Escalade EXT? Posted by Customer
    A:
    Remove the transmission mount to transmission support nuts and raise the transmission off the support.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the next step after reconnecting the oxygen sensor components for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Reinstall the exhaust muffler, then the transmission support crossmember and its bolts, tightening them to 95 Nm (70 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be reinstalled after the exhaust muffler for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    The transmission support crossmember and its bolts, tightening them to 70 Nm (52 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the procedure if not replacing the muffler as an assembly for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Mark the band clamp's position on the intermediate exhaust pipe, grind the weld to remove it, and install a new band clamp.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done with the exhaust manifold pipe hanger for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Slide the exhaust manifold pipe hanger into the bracket and install the exhaust manifold pipe nuts, tightening them to 50 Nm (39 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the procedure for removing the rear shock absorbers for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Remove the lower bolts and nuts, lower the rear axle slightly, and unclip the oxygen sensor connector from the frame.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    What should be done after installing the muffler for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Install the exhaust muffler nuts and tighten them to 40 Nm (30 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    How do you detach the muffler for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Remove the exhaust muffler nuts and loosen the exhaust pipe clamp while supporting the muffler with an assistant. Slide the muffler rearward to detach it from the catalytic converter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Muffler
    Q:
    How should the new exhaust manifold pipe seal be installed for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Place a new exhaust manifold pipe seal onto the exhaust manifold pipe and install the 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 Muffler 10398388 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 10398388 Muffler is available in the market under the name GM Exhaust Pipe, Muffler, Tail Pipe. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 10398388 Muffler fits certain Chevrolet Suburban 1500, Avalanche 2500, Suburban 2500 models, as well as GMC Yukon XL 1500, Yukon XL 2500. Additionally, it is compatible with Cadillac Escalade ESV, Escalade EXT models.
The original GM component designated by manufacturer part number 10398388 maintains top performance when functioning as the Muffler, Exhaust unit. The component 10398388 is constructed from durable material and its dimensions span 100.0 x 25.8 x 22.7 inches while weighing 55.00 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 10398388 has available replacement options 15113060, 88983219, 10365858, 15090630, 88983220. 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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