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GMC Sierra 1500 HD Catalytic Converter

We have 5 Items In-stock. Select a year to continue.
$101.46 List Price $119.72 Save $18.26 Availability: In Stock
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EASTERN CATALYTIC CONVERTER

World-class quality and innovation have made Eastern the best converter manufacturer in the business. 100% of Eastern's research and development efforts goes into making the finest aftermarket and original equipment catalytic converters on the market. Each Eastern catalytic converter uses advanced materials design which retains maximum engine output and maximizes catalytic efficiency. Eastern's proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.

Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

  • SKU#: EAST70857
  • Brand: Eastern
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
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Fits the following GMC Sierra 1500 HD Years:
  • 2002-2006 | 8 Cyl 6.0L | SLE, SLT
$110.88 List Price $143.50 Save $32.62 Availability: In Stock
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  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

  • SKU#: M6699009HM
  • Brand: Magnaflow
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 12 in. L x 6.5 in. W, 16 in. overall length
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Fits the following GMC Sierra 1500 HD Years:
  • 2001-2006 | 8 Cyl 6.0L | SLE, SLT
$295.05 List Price $348.16 Save $53.11 Availability: In Stock
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DAVICO EXACT FIT 49-STATE CATALYTIC CONVERTER

Do not settle for a universal or generic catalytic converter when you can replace your old or failing catalytic converter with a direct fit unit from Davico Manufacturing. This company has been producing catalytic converters since 1987 and is known for producing direct fit aftermarket catalytic converters that are at par with OEM units in terms of quality, specifications, and performance. Their Exact Fit Catalytic Converter is sized specifically for each application and uses the right substrate to meet the aftermarket performance standards for catalytic converters.

Features:
  • Direct fit - made using reliable computer-controlled fabrication system for flawless replication
  • Manufactured using strict OEM and emission control specifications
  • No cutting, sliding, clamping, or welding required for easier installation
Specifications:
  • 3-bolt fixed flange inlet
  • 2-bolt fixed flange outlet
  • 2 oxygen sensor ports
  • Round body

Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

  • SKU#: DAV19376
  • Brand: Davico
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
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Fits the following GMC Sierra 1500 HD Years:
  • 2003-2005 | 8 Cyl 6.0L | SLE, SLT
$174.10 List Price $411.48 Save $237.38 Availability: In Stock
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WALKER CATALYTIC CONVERTER

Specifications: Pipe Inlet Connection, Pipe Outlet Connection

Features:

  • 3-way catalyst style
  • Has broad application coverage
  • Higher loaded substrate

Walker catalytic converter features stainless steel body, aluminized expandable bushings and heat shield for enhanced strength and durability.

Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

  • SKU#: WK81724
  • Brand: Walker
  • Fit Note: Engine Family # 1GMXA06.0188, Engine Family # 3GMXA06.0188, Engine Family # 5GMXT06.0188, Engine Family # 6GMXK06.0388
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 5-year or 50,000-mile Walker limited warranty
 
Fits the following GMC Sierra 1500 HD Years:
  • 2001-2006 | 8 Cyl 6.0L | SLE, SLT
$314.95 List Price $635.02 Save $320.07 Availability: In Stock
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Not Legal in California
  • SKU#: W0133-1926265
  • Brand: Bosal
  • Fit Note: EPA Compliant - (48-State & Canada) EPA Tier 0 & Tier 1 emission use.
 
Fits the following GMC Sierra 1500 HD Years:
  • 2003-2006 | 8 Cyl 6.0L | SLE, SLT