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Replacement and OEM Parts for 2003 Chevrolet Express 3500 Exhaust Manifolds, Pipes, Mufflers & Components

2003 Chevrolet Express 3500 Exhaust Manifolds, Pipes, Mufflers & Components

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Engine & Drivetrain

75 products about 2003 Chevrolet Express 3500 Exhaust Manifolds, Pipes, Mufflers & Components found

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  • OEM 2003 Chevrolet Express 3500 Gasket, Exhaust Manifold Diagram - 12617944
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Gasket, Exhaust Manifold

    PartNumber: 12617944
    OEM 2003 Chevrolet Express 3500 Gasket, Exhaust Manifold - 12617944
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Location: Driver Side; Passenger Side
    • Other Names: Exhaust Manifold Gasket, Manifold Gasket
    • Item Dimensions: 19.0 x 3.0 x 0.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12558573, 12600530
    • Part Description: 2003 Chevrolet Express 3500 Gasket, Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $16.42 MSRP: $34.08
    You Save: $17.66 (52%)
  • OEM 2003 Chevrolet Express 3500 Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Engine Exhaust Manifold

    PartNumber: 12616285
    OEM 2003 Chevrolet Express 3500 Engine Exhaust Manifold - 12616285
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Location: Driver Side
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 10.1 x 8.1 x 25.4 inches
    • Item Weight: 10.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12564155, 12602037, 12571678, 12562235
    • Part Description: 2003 Chevrolet Express 3500 Engine Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $78.60 MSRP: $162.96
    You Save: $84.36 (52%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Express 3500 - 21551

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Express 3500

    PartNumber: 21551
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
    • Automotive Item Grade: OEM Standard Part
    • Inlet - Outlet Configuration: Offset Inlet - Offset Outlet
    • Inlet Connection Type: 1 Pipe Connection and 1 Welded Flange
    • Inlet Diameter Designation: Outside Diameter
    • Inlet Quantity: 2 Inlets
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 7"
    • Muffler Body Length: 24"
    • Muffler Body Material: Stainless Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 3"
    • Muffler Outlet Diameter: 2.625"
    • Muffler Overall Length: 39.75"
    • Muffler Reversible: No
    • Muffler Series: Quiet-Flow™
    • Muffler Type: Combination
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Quantity: 1 Outlet
    • Part Description: 2003 Chevrolet Express 3500 Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    $135.41
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500 - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500

    PartNumber: 674-732
    Product Specifications
    • Notes: wo/Calif Emissions
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12569416, 12569530, 12578341, 12602038, 12616286, 12648339, 12677665
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495212904
    • Part Description: 2003 Chevrolet Express 3500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $120.88
  • Walker Aluminized Steel Exhaust Tailpipe for 2003 Chevrolet Express 3500 - 55470

    Walker® Aluminized Steel Exhaust Tailpipe for 2003 Chevrolet Express 3500

    PartNumber: 55470
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts.
    • Class: W
    • Connection Type: Pipe
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter Designation: Outside Diameter
    • Inlet Quantity: 1
    • Material: Aluminized Steel
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 1
    • Overall Length: 55.375"
    • Pipe Inlet Diameter: 2.625"
    • Pipe Outlet Diameter: 2.625"
    • Part Description: 2003 Chevrolet Express 3500 Aluminized Steel Exhaust Tailpipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    $42.69
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500 - 674-522

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500

    PartNumber: 674-522
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12616285
    • Package Quantity: 1
    • Position: Driver Side
    • UPC: 019495064978
    • Part Description: 2003 Chevrolet Express 3500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $86.02
  • Walker Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Express 3500 - 53622

    Walker® Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Express 3500

    PartNumber: 53622
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts.
    • Exhaust Pipe Inlet Connection Type: Pipe
    • Exhaust Pipe Material: Aluminized Steel
    • Exhaust Pipe Outlet Connection Type: Pipe
    • Exhaust Pipe Overall Length: 24.5
    • Exhaust Pipe Wall Maximum Gauge: Undisclosed
    • Finish: Aluminized
    • Fitment: Direct OE Replacement
    • Grade Type: Regular
    • Inlet 1 Type: 3 Bolt Welded Flange
    • Inlet Diameter: 0.0
    • Inlet Quantity: 1
    • Internet Product Code (IPC): 4152F0D1830
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 24.500
    • Material: Steel
    • Max Year Covered: 2009
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 53622
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2003
    • Most Popular Make / Model: Chevrolet Express 3500
    • Most Popular Year: 2006
    • Outlet 1 Outside Diameter: 2.625
    • Outlet 1 Type: Pipe Connection
    • Outlet Diameter: 2.625
    • Outlet Quantity: 1
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 460289
    • Universal Or Specific Fit: Specific
    • UPC: 086387536226
    • Part Description: 2003 Chevrolet Express 3500 Aluminized Steel Exhaust Extension Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $38.96
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500 - 674-525

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Express 3500

    PartNumber: 674-525
    Product Specifications
    • Notes: w/Calif Emissions
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12562236, 12562333, 12564157, 12564161, 12605246
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495064985
    • Part Description: 2003 Chevrolet Express 3500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $79.68
  • Dorman Metal Black Exhaust Manifold To Cylinder Head Repair Clamp for 2003 Chevrolet Express 3500 - 917-108

    Dorman® Metal Black Exhaust Manifold To Cylinder Head Repair Clamp for 2003 Chevrolet Express 3500

    PartNumber: 917-108
    Product Specifications
    • Attachment Method: Bolt On
    • Finish: Black
    • Length: 5.3"
    • Material: Metal
    • Maximum Diameter: 0.49"
    • Minimum Diameter: 0.46"
    • OE Part Number: 11518860
    • Overall Length: 5.3"
    • Reusable: No
    • Self Locking: No
    • UPC: 019495825227
    • Part Description: 2003 Chevrolet Express 3500 Metal Black Exhaust Manifold To Cylinder Head Repair Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $25.39
  • OEM 2003 Chevrolet Express 3500 Converter & Pipe Diagram - 25921611
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Converter & Pipe

    PartNumber: 25921611
    OEM 2003 Chevrolet Express 3500 Converter & Pipe - 25921611
    Product Specifications
    • Notes: 4.8 & 6.0 Liter, Federal
    • Location: Driver Side
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 58.3 x 35.2 x 15.1 inches
    • Item Weight: 24.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418963
    • Part Description: 2003 Chevrolet Express 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $1284.67 MSRP: $1925.00
    You Save: $640.33 (34%)
  • OEM 2003 Chevrolet Express 3500 Converter & Pipe Diagram - 25921611
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Converter & Pipe

    PartNumber: 25921611
    OEM 2003 Chevrolet Express 3500 Converter & Pipe - 25921611
    Product Specifications
    • Notes: 4.8 & 6.0 Liter, Federal
    • Location: Driver Side
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 58.3 x 35.2 x 15.1 inches
    • Item Weight: 24.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418963
    • Part Description: 2003 Chevrolet Express 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $1284.67 MSRP: $1925.00
    You Save: $640.33 (34%)
  • OEM 2003 Chevrolet Express 3500 Converter & Pipe Diagram - 25921611
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Converter & Pipe

    PartNumber: 25921611
    OEM 2003 Chevrolet Express 3500 Converter & Pipe - 25921611
    Product Specifications
    • Notes: 4.8 & 6.0 Liter, Federal
    • Location: Driver Side
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 58.3 x 35.2 x 15.1 inches
    • Item Weight: 24.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418963
    • Part Description: 2003 Chevrolet Express 3500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $1284.67 MSRP: $1925.00
    You Save: $640.33 (34%)
  • Walker Perforated Metal for 2003 Chevrolet Express 3500 - 31718

    Walker® Perforated Metal for 2003 Chevrolet Express 3500

    PartNumber: 31718
    Product Specifications
    • Bolt Hole Center to Center Distance 1: 4.125"
    • Class: B
    • Material: Perforated Metal with Fiber Core and Fire Ring
    • Port 1 Length: 2.75"
    • Port 1 Width: 2.75"
    • Position: Driver Side
    • Thickness: 0.063"
    • Part Description: 2003 Chevrolet Express 3500 Perforated Metal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $11.65
  • Walker Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket for 2003 Chevrolet Express 3500 - 31610

    Walker® Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket for 2003 Chevrolet Express 3500

    PartNumber: 31610
    Product Specifications
    • Bolt Hole Diameter: 0.38"
    • Class: A
    • Material: Fiber and Metal Laminate
    • Outer Diameter: 3.28"
    • Packaging: Poly Bag
    • Port 1 Length: 2.938"
    • Port 1 Width: 2.938"
    • Position: Passenger Side
    • Thickness: 0.18"
    • Part Description: 2003 Chevrolet Express 3500 Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    $9.01
  • Walker Fiber And Metal Laminate 3 Bolt Exhaust Pipe Flange Gasket for 2003 Chevrolet Express 3500 - 31571

    Walker® Fiber And Metal Laminate 3 Bolt Exhaust Pipe Flange Gasket for 2003 Chevrolet Express 3500

    PartNumber: 31571
    Product Specifications
    • Bolt Hole Center to Center Distance 1: 5.000
    • Bolt Hole Center to Center Distance 1 (in): 4.3899
    • Bolt Hole Center to Center Distance 2 (in): 4.3
    • Bolt Hole Diameter: 0.500
    • Gasket / Seal Material: Fiber Material And Metal Laminate
    • Gasket Thickness: 0.051
    • Gasket Type: 3 Bolt
    • Internet Product Code (IPC): FA236AB5C9C
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Material: Fiber With Steel Core
    • Max Year Covered: 2010
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 31571
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1995
    • Most Popular Make / Model: Chevrolet S10
    • Most Popular Year: 1998
    • Package Contents: 1 Gasket
    • Port 1 Length: 2.875
    • Port 1 Length (in): 2.82
    • Port 1 Width: 2.82; 2.875
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Thickness: 0.051
    • Total Part VIO: 1903423
    • UPC: 086387315715
    • Part Description: 2003 Chevrolet Express 3500 Fiber And Metal Laminate 3 Bolt Exhaust Pipe Flange Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    $7.29
  • OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator Diagram - 15731502
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Extension Pipe Insulator

    PartNumber: 15731502
    OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator - 15731502
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Item Dimensions: 4.8 x 2.3 x 1.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Extension Pipe Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.77 MSRP: $20.75
    You Save: $6.98 (34%)
  • OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator Diagram - 15731502
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Extension Pipe Insulator

    PartNumber: 15731502
    OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator - 15731502
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Item Dimensions: 4.8 x 2.3 x 1.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Extension Pipe Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.77 MSRP: $20.75
    You Save: $6.98 (34%)
  • OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator Diagram - 15731502
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Extension Pipe Insulator

    PartNumber: 15731502
    OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator - 15731502
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Item Dimensions: 4.8 x 2.3 x 1.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Extension Pipe Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.77 MSRP: $20.75
    You Save: $6.98 (34%)
  • OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator Diagram - 15731502
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Extension Pipe Insulator

    PartNumber: 15731502
    OEM 2003 Chevrolet Express 3500 Extension Pipe Insulator - 15731502
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Item Dimensions: 4.8 x 2.3 x 1.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Extension Pipe Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.77 MSRP: $20.75
    You Save: $6.98 (34%)
  • Walker Rubber Black Exhaust Insulator for 2003 Chevrolet Express 3500 - 35229

    Walker® Rubber Black Exhaust Insulator for 2003 Chevrolet Express 3500

    PartNumber: 35229
    Product Specifications
    • Attachment Method: OEM Style
    • Finish: Black
    • Hardware Material: Rubber
    • Internet Product Code (IPC): E837FFCB568
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 3.500
    • Material: Rubber
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35229
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1988
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Overall Length: 3.5
    • Package Contents: Insulator
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 21722253
    • Universal Or Specific Fit: Universal
    • UPC: 086387352291
    • Part Description: 2003 Chevrolet Express 3500 Rubber Black Exhaust Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $6.26
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Express 3500 - 35793

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Express 3500

    PartNumber: 35793
    Product Specifications
    • Bolt Diameter: 0.375
    • Clamp Design: U-Clamp
    • Clamp Maximum Diameter: 2.75
    • Clamp Type: U-Bolt
    • Finish: Natural
    • Gauge: 11.0
    • Grade Type: Regular
    • Hardware Material: Steel
    • Internet Product Code (IPC): 53860BFD66C
    • Item Grade: OEM Standard
    • Item has MSDS (SDS): N
    • Material: Steel
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35793
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1975
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Nut Type: Hex
    • Package Contents: One Exhaust Clamp
    • Pipe Diameter: 2.750
    • Product Grade: Economy
    • Saddle Hole Type: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 29778938
    • UPC: 086387357937
    • Width: 4.125
    • Part Description: 2003 Chevrolet Express 3500 Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $3.16
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Express 3500 - 35794

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Express 3500

    PartNumber: 35794
    Product Specifications
    • Bolt Diameter: 0.375
    • Clamp Design: U-Clamp
    • Clamp Maximum Diameter: 3.0
    • Clamp Type: U-Bolt
    • Finish: Natural
    • Gauge: 11.0
    • Grade Type: Regular
    • Hardware Material: Steel
    • Internet Product Code (IPC): 2184BEFFCD2
    • Item Grade: OEM Standard
    • Item has MSDS (SDS): N
    • Material: Steel
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35794
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1984
    • Most Popular Make / Model: Ford F-150
    • Most Popular Year: 2004
    • Nut Type: Hex
    • Package Contents: One Exhaust Clamp
    • Pipe Diameter: 3.000
    • Product Grade: Economy
    • Saddle Hole Type: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 31808980
    • UPC: 086387357944
    • Width: 4.375
    • Part Description: 2003 Chevrolet Express 3500 Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    $3.16
  • OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket Diagram - 15733803
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket

    PartNumber: 15733803
    OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket - 15733803
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Other Names: Muffler W/Tailpipe Gasket
    • Item Dimensions: 6.9 x 6.6 x 0.3 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $25.93 MSRP: $42.92
    You Save: $16.99 (40%)
  • OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket Diagram - 15733803
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    OEM (Genuine) 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket

    PartNumber: 15733803
    OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket - 15733803
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Other Names: Muffler W/Tailpipe Gasket
    • Item Dimensions: 6.9 x 6.6 x 0.3 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Muffler W/Tailpipe Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $25.93 MSRP: $42.92
    You Save: $16.99 (40%)
  • OEM 2003 Chevrolet Express 3500 Manifold Diagram - 12677665
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    OEM (Genuine) 2003 Chevrolet Express 3500 Manifold

    PartNumber: 12677665
    OEM 2003 Chevrolet Express 3500 Manifold - 12677665
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Location: Passenger Side
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 9.3 x 5.4 x 24.8 inches
    • Item Weight: 14.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12648339
    • Part Description: 2003 Chevrolet Express 3500 Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $202.37 MSRP: $321.33
    You Save: $118.96 (38%)
  • OEM 2003 Chevrolet Express 3500 Rear Shield Diagram - 15081303
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    OEM (Genuine) 2003 Chevrolet Express 3500 Rear Shield

    PartNumber: 15081303
    OEM 2003 Chevrolet Express 3500 Rear Shield - 15081303
    Product Specifications
    • Notes: 4.8 & 6.0 Liter, Tail Pipe
    • Other Names: Heat Shield, Rear Shield
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Rear Shield
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $17.48 MSRP: $26.34
    You Save: $8.86 (34%)
  • OEM 2003 Chevrolet Express 3500 Muffler Shield Diagram - 15123700
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    OEM (Genuine) 2003 Chevrolet Express 3500 Muffler Shield

    PartNumber: 15123700
    OEM 2003 Chevrolet Express 3500 Muffler Shield - 15123700
    Product Specifications
    • Notes: 4.8 & 6.0 Liter, Muffler
    • Other Names: Heat Shield, Muffler Shield
    • Item Weight: 3.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Muffler Shield
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $10.86 MSRP: $16.37
    You Save: $5.51 (34%)
  • OEM 2003 Chevrolet Express 3500 Heat Shield Diagram - 12677664
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    OEM (Genuine) 2003 Chevrolet Express 3500 Heat Shield

    PartNumber: 12677664
    OEM 2003 Chevrolet Express 3500 Heat Shield - 12677664
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Location: Passenger Side
    • Other Names: Heat Shield
    • Fitment Type: Direct Replacement
    • Replaces: 12648338
    • Part Description: 2003 Chevrolet Express 3500 Heat Shield
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $61.22 MSRP: $92.34
    You Save: $31.12 (34%)
  • OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Clamp Diagram - 15102936
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    OEM (Genuine) 2003 Chevrolet Express 3500 Muffler W/Tailpipe Clamp

    PartNumber: 15102936
    OEM 2003 Chevrolet Express 3500 Muffler W/Tailpipe Clamp - 15102936
    Product Specifications
    • Notes: 4.8 & 6.0 Liter
    • Other Names: Muffler W/Tailpipe Clamp
    • Item Dimensions: 4.8 x 4.0 x 1.4 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Muffler W/Tailpipe Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $31.31 MSRP: $49.24
    You Save: $17.93 (37%)
  • Walker Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Express 3500 - 53621

    Walker® Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Express 3500

    PartNumber: 53621
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts.
    • Exhaust Pipe Inlet Connection Type: Pipe
    • Exhaust Pipe Material: Aluminized Steel
    • Exhaust Pipe Outlet Connection Type: Pipe
    • Exhaust Pipe Overall Length: 33.875
    • Exhaust Pipe Wall Maximum Gauge: Undisclosed
    • Finish: Aluminized
    • Fitment: Direct OE Replacement
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Diameter: 3.0
    • Inlet Quantity: 1
    • Internet Product Code (IPC): 5BDF4BCD426
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 33.875
    • Material: Steel
    • Max Year Covered: 2009
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 53621
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2003
    • Most Popular Make / Model: Chevrolet Express 3500
    • Most Popular Year: 2006
    • Outlet 1 Outside Diameter: 2.625
    • Outlet 1 Type: Pipe Connection
    • Outlet Diameter: 2.625
    • Outlet Quantity: 1
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 460289
    • Universal Or Specific Fit: Specific
    • UPC: 086387536219
    • Part Description: 2003 Chevrolet Express 3500 Aluminized Steel Exhaust Extension Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $20.78
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