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GMC Sierra 1500 HD Catalytic Converter

We have 4 Items In-stock. Select a year to continue.
$312.72 List Price $369.01 Save $56.29 Availability: In Stock
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Eastern ECO II Series Catalytic Converter

30 years of innovation is proof enough that Eastern is the best manufacturer of the finest aftermarket and original equipment catalytic converters on the market. Their ECO Series Catalytic Converters which are designed to help keep the Check Engine Light (MIL) off is another set of catalytic converters with world class quality.

The Eastern ECO II Series Catalytic Converter is made specifically for most complex or second generation on board diagnostic (OBD II) systems. It features wash coats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.

The Eastern ECO II Series Catalytic Converter's features in a nutshell:

  • Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
  • Features an advanced materials design for maximum engine output and performance

Specifications:

  • 3-way catalyst style
  • Flange inlet
  • Flange outlet
  • 36 in. overall length
  • With one 18 mm style oxygen sensor port
  • Standard assembly with one catalytic converter
  • Oval body

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

  • SKU#: EAST50436
  • Brand: Eastern
  • 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:
  • 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
$310.50 List Price $366.39 Save $55.89 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
  • Slip-fit 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#: DAV19375
  • 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 $205.44 Save $31.34 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 # 2GMXA06.0188
  • 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:
  • 2002 | 8 Cyl 6.0L | SLE, SLT