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Replacement and OEM Parts for 2003 GMC Sierra 1500 HD Muffler

2003 GMC Sierra 1500 HD Muffler

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2003 GMC Sierra 1500 HD
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Exhaust Manifolds, Pipes & Mufflers
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  • OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W Diagram - 15798962
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798962
    OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W - 15798962
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 6 1/2 Box; Federal; Extended Cab; W/O Heavy Duty
    • Other Names: Muffler
    • Item Dimensions: 122.9 x 24.4 x 15.6 inches
    • Item Weight: 68.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15094497, 15147361, 15070023, 15113072, 15103198
    • Part Description: 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • Walker Quiet-Flow Exhaust Muffler Assembly for 2003 GMC Sierra 1500 HD - 21576

    Walker® Quiet-Flow Exhaust Muffler Assembly for 2003 GMC Sierra 1500 HD

    PartNumber: 21576
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; w/Fed Emissions; w/3" Inlet & 3" Outlet; Single Outlet Muffler replaces Dual Outlet Muffler; If welded Assy, replace all Reqd parts; Use to depletion, then use 22307
    • Body Height: 8.500
    • Body Length: 25.000
    • Body Material: Stainless Steel
    • Body Width: 11.750
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 3.000
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Internet Product Code (IPC): FFF8A027488
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21576
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1999
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2004
    • Muffler Body Height: 8.5
    • Muffler Body Length: 25.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.75
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 3.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 3.0
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 28.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 3.000
    • Outlet Configuration: Offset
    • Overall Length: 28.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 1025295
    • Universal Or Specific Fit: Specific
    • UPC: 086387215763
    • Part Description: 2003 GMC Sierra 1500 HD Quiet-Flow Exhaust Muffler Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
  • OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W Diagram - 15798954
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798954
    OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W - 15798954
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 6 1/2 Box; Federal; Extended Cab; W/Heavy Duty
    • Other Names: Muffler
    • Item Dimensions: 127.3 x 26.6 x 17.1 inches
    • Item Weight: 68.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15147362, 15113073
    • Part Description: 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Muffler Diagram - 15798948
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Muffler

    PartNumber: 15798948
    OEM 2003 GMC Sierra 1500 HD Muffler - 15798948
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 6 1/2 Box; California; Crew Cab;Silverado, Sierra; 6.0L; 6 1/2 Box; Federal; Crew Cab
    • Other Names: Muffler
    • Item Dimensions: 152.7 x 26.3 x 15.5 inches
    • Item Weight: 75.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15113063, 15103189, 15147353, 15077779, 15077763
    • Part Description: 2003 GMC Sierra 1500 HD Muffler
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W Diagram - 15798946
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798946
    OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W - 15798946
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 6 1/2 Box; California; Extended Cab; All
    • Other Names: Muffler
    • Item Dimensions: 131.9 x 31.3 x 17.3 inches
    • Item Weight: 76.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W Diagram - 15798950
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798950
    OEM 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W - 15798950
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 8 Box; W/O Extended Cab; W/O Rear Exit Exhaust; California; W/Heavy Duty;Silverado, Sierra; 6.0L; 8 Box; W/O Extended Cab; W/O Rear Exit Exhaust; Federal; W/Heavy Duty
    • Other Names: Muffler
    • Item Dimensions: 110.4 x 30.9 x 17.1 inches
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 1500 HD Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W Diagram - 15798949
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798949
    OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W - 15798949
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 8 Box; W/Extended Cab; W/O Rear Exit Exhaust; All
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 137.7 x 30.6 x 17.3 inches
    • Item Weight: 76.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W Diagram - 15147356
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15147356
    OEM 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W - 15147356
    Product Specifications
    • Notes: Silverado, Sierra; 6.0L; 8 Box; W/O Extended Cab; W/O Rear Exit Exhaust; California; W/O Heavy Duty;Silverado, Sierra; 6.0L; 8 Box; W/O Extended Cab; W/O Rear Exit Exhaust; Federal; W/O Heavy Duty
    • Other Names: Muffler
    • Item Dimensions: 97.7 x 32.2 x 15.5 inches
    • Item Weight: 66.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88983230, 15070019
    • Part Description: 2003 GMC Sierra 1500 HD Muffler Asm-Exhaust (W/ Exhaust & T/Pipe & 3W
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD Muffler Diagram - 15113058
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Muffler

    PartNumber: 15113058
    OEM 2003 GMC Sierra 1500 HD Muffler - 15113058
    Product Specifications
    • Notes: 6.0 Liter Gas
    • Part Description: 2003 GMC Sierra 1500 HD Muffler
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS