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Choose your Submodel for your 2003 GMC Sierra 3500


Showing 1 - 10 of 101 products
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Dorman
  • Exhaust Manifold Kit - Includes Required Gaskets And Hardware
  • wo/Ceramic Coating
  • Product Attributes:
    • Heat Shield Included:
      • Oui
      • Yes
    • Gasket Or Seal Included:
      • Oui
      • Yes
    • Grade Type:
      • Reemplazo Estándar
      • Standard Replacement
    • Mounting Hardware Included:
      • Oui
      • Yes
    • Color:
      • Gris Metálico
      • Metallic Gray
    • Port Shape:
      • Redondo
      • Round
    • Contenidos del paquete: Múltiple De Escape, 1 Empaque De Múltiple, 1 Empaque De Brida, 3 Espárragos, 3 Tuercas
    • Material:
      • Cast Iron
      • Hierro Fundido
  • Features:
    • Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
    • Complete kit - includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts
    • Direct fit - reverse engineered from original equipment for seamless installation
    • Quality engineering - designed and tested in the United States
  • Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

This Part Fits the Following OEM/Substitute Numbers:
101261, 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12610962, 12616285, 12686303, 24056704530728314, 663017, 674522, SK674522

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 5967 Left 8 Cyl 6.0L 364

Dorman
  • Exhaust Manifold Kit - Includes Required Gaskets And Hardware
  • wo/Ceramic Coating
  • Product Attributes:
    • Heat Shield Included:
      • Oui
      • Yes
    • Gasket Or Seal Included:
      • Oui
      • Yes
    • Grade Type:
      • Reemplazo Estándar
      • Standard Replacement
    • Mounting Hardware Included:
      • Oui
      • Yes
    • Color:
      • Gris Metálico
      • Metallic Gray
    • Port Shape:
      • Redondo
      • Round
    • Contenidos del paquete: Múltiple De Escape, 1 Empaque De Múltiple, 2 Empaques De Brida, 3 Espárragos, 3 Tuercas
    • Material:
      • Cast Iron
      • Hierro Fundido
  • Features:
    • Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
    • Complete kit - includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
    • Direct fit - reverse engineered from original equipment for seamless installation
    • Quality engineering - designed and tested in the United States
  • Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

This Part Fits the Following OEM/Substitute Numbers:
101371, 12569416, 12569530, 12578341, 12602038, 12612084, 12616286, 12647717, 12648339, 12677665, 12686302, 24056704530728222, 663227, SK674732

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 5967 Right 8 Cyl 6.0L 364

FelPro
  • Exhaust Pipe Flange Gasket
  • FEL-PRO 61323 Exhaust Pipe Flange Gasket for Chevrolet Silverado 1500
  • Product Attributes:
    • Grade Type: Premium
  • Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Unsurpassed quality you can trust
    • Validated for fit, form, and function
  • Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

This Part Fits the Following OEM/Substitute Numbers:
15077362, 711362200, 711368100, EG24415, F31731

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 5967 Manifold To Front Pipe 8 Cyl 6.0L 364

Dorman
  • Exhaust Manifold Kit - Includes Required Gaskets And Hardware
  • Product Attributes:
    • Heat Shield Included:
      • Oui
      • Yes
    • Gasket Or Seal Included:
      • Oui
      • Yes
    • Grade Type:
      • Reemplazo Estándar
      • Standard Replacement
    • Mounting Hardware Included:
      • Oui
      • Yes
    • Color:
      • Gris Metálico
      • Metallic Gray
    • Port Shape:
      • Cuadrado
      • Square
    • Contenidos del paquete: Múltiple De Escape, 1 Junta De Múltiple Y 1 Brida, 3 Pernos, 3 Arandelas
    • Material:
      • Cast Iron
      • Hierro Fundido
  • Features:
    • Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
    • Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
    • Complete repair - includes all necessary gaskets and downpipe hardware
    • Trustworthy design - built by industry leader in aftermarket manifolds
  • This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

This Part Fits the Following OEM/Substitute Numbers:
101401, 12624683, 24056704530728208, 663231, 97224586, SK674736

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 6599 Right 8 Cyl 6.6L 403

MBRP Exhaust
  • 4in. Front Pipe. Aluminum.
  • Not for sale in California. Not for use on vehicles equipped with Catalytic converters.
  • Aluminized Steel, 4-Inch Front Pipe.
  • MBRP Garage Parts
  • Product Attributes:
    • Major: Garage Parts
    • Quantity: 1
    • Welded Bracket Quantity: 0
    • Minor: Component
    • Outlet Outside Diameter: 4
    • Clamps Included: No
    • Vehicle Segment: Car/truck
    • Shape: Straight
    • Flanged Inlet: Yes
    • Welded Hanger: No
    • Tapered Outlet: No
    • UPS Able: If Boxed
    • Inlet Outside Diameter: 4
    • Prop 65 (C, R or CR): Cr
    • Pipe Bend Type: Mandrel
  • Features:
    • Sixteen Gauge Aluminized Steel. Customize Your Exhaust. Welding Required.
  • MBRP Exhaust Pipe.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - GMC Sierra 3500 V 6599 8 Cyl 6.6L 403

MBRP Exhaust
  • Tail Pipe. Aluminized Steel
  • 2001-2007 Chev/GMC Excl. LMM, Tail Pipe. Aluminized Steel.
  • Garage Parts Tail Pipe
  • Product Attributes:
    • Major: Garage Parts
    • Quantity: 1
    • Welded Bracket Quantity: 0
    • Minor: Component
    • Outlet Outside Diameter: 4
    • Clamps Included: No
    • Vehicle Segment: Car/truck
    • Shape: Straight
    • Flanged Inlet: No
    • Welded Hanger: No
    • Tapered Outlet: No
    • UPS Able: If Boxed
    • Inlet Outside Diameter: 4
    • Prop 65 (C, R or CR): Cr
    • Pipe Bend Type: Mandrel
  • Features:
    • Sixteen Gauge Aluminized Steel. 4" Diameter. Requires Welding.
  • MBRP Exhaust Aluminized Steel Tail Pipe.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - GMC Sierra 3500 V 6599 8 Cyl 6.6L 403

MBRP Exhaust
  • 3in. Turbo Down Pipe
  • Not For Use w/3 Bolt Flange Style Connection Not To Be Sold In California Fits Early 2004 Models
  • 3" Turbo Down Pipe.
  • Turbocharger Down Pipe
  • Product Attributes:
    • Tubing Diameter: 3 Inch
    • Vehicle Segment: Truck
    • Bolt-On Yes/No: Yes
    • UPS Able: Yes
    • Minor: Down Pipe
    • Restrictions: Not To Be Sold In California.
    • Prop 65 (C, R or CR): Cr
  • Features:
    • Direct Replacement, Bolt-on Installation. Mandrel Bent Tubing for Improved Flow. Lower Exhaust Gas Temperatures.
  • MBRP Exhaust Turbo Diesel Down Pipe.

Additional Fitment Information:
Vehicle Block CC Engine Designation Engine Sub Model CID
2003 - GMC Sierra 3500 V 6599 LB7 8 Cyl 6.6L Base 403

MBRP Exhaust
  • Muffler Bypass 4in. Inlet/Outlet 30in. Overall. T304
  • 4 in. Inlet/Outlet Diameter 30 in. Overall Length 304 Stainless Steel 4.5 in. Outlet Diameter Tip Confirm Length Of The Muffler And Install Muffler Delete Of Same Length
  • Muffler Bypass Pipe 4in. Inlet/Outlet 30in. Overall. T304 Stainless Steel.
  • Armor Pro Single System Muffler Delete Pipe
  • Product Attributes:
    • Tubing Diameter: 4 Inch
    • Vehicle Segment: Universal
    • Major: Muffler/resonator
    • Bolt-On Yes/No: Yes
    • Grade Type: Performance
    • UPS Able: Yes
    • Minor: 4" Inlet
    • Prop 65 (C, R or CR): Cr
  • Features:
    • Universal Fit, Durable T304 Stainless Steel Construction.
  • MBRP Exhaust, Muffler Bypass Pipe.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - GMC Sierra 3500 V 6599 8 Cyl 6.6L 403

MBRP Exhaust
  • 4in. Front-Pipe w/Flange. AL
  • Not To Be Sold In California Not For Use In Vehicles Equipped With Catalytic Converter
  • 4in. Front-Pipe w/Flange. Aluminized Steel.
  • Armor Lite Front Pipe
  • Product Attributes:
    • Tubing Diameter: 4 Inch
    • Vehicle Segment: Truck
    • Bolt-On Yes/No: Yes
    • UPS Able: Yes
    • Minor: Front Pipe
    • Restrictions: Not To Be Sold In California.
    • Prop 65 (C, R or CR): Cr
  • Features:
    • Bolt-on Installation.
  • MBRP Exhaust Armor Lite Series, Front Pipe.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 6599 Front 8 Cyl 6.6L 403

MBRP Exhaust
  • 4in. Front-Pipe w/Flange. T409
  • Not To Be Sold In California Not For Use In Vehicles Equipped With Catalytic Converter
  • 4in. Front-Pipe w/Flange. T409 Stainless Steel.
  • Armor Plus Front Pipe
  • Product Attributes:
    • Tubing Diameter: 4 Inch
    • Vehicle Segment: Truck
    • Bolt-On Yes/No: Yes
    • UPS Able: Yes
    • Minor: Front Pipe
    • Restrictions: Not To Be Sold In California.
    • Prop 65 (C, R or CR): Cr
  • Features:
    • Improved Exhaust Flow. Bolt-on Installation.
  • MBRP Exhaust Armor Plus Series, Front Pipe.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 6599 Front 8 Cyl 6.6L 403
Showing 1 - 10 of 101 products

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