APWPART FINDER
My Vehicle Add New
  • Select Year
  • Select Make
  • Select Model
  • Select Submodel
  • Select Engine

Shop by Brand

GMC Sierra 2500 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
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
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
(see more)
Fits the following GMC Sierra 2500 HD Years:
  • 2011-2013 | 8 Cyl 6.0L | Denali, SLE, SLT, WT
$110.88 List Price $143.50 Save $32.62 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • 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
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
(see more)
Fits the following GMC Sierra 2500 HD Years:
  • 2002 | 8 Cyl 6.0L | Base
  • 2001-2002 | 8 Cyl 6.0L | SL, SLE, SLT
$299.25 List Price $353.12 Save $53.87 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
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#: DAV193711
  • 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
(see more)
Fits the following GMC Sierra 2500 HD Years:
  • 2007-2008 | 8 Cyl 6.0L | SLE, SLT, WT
  • 2007 | 8 Cyl 6.0L | Classic SL, Classic SLE, Classic SLT, Classic WT
$481.76 List Price $1,078.64 Save $596.88 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)

Catco Catalytic Converter

CATCO is well known for its experience throughout the years in using spot-on manufacturing practices and innovative technologies that paved way in producing one of the world%X92s best and fully integrated catalytic converters today. In order to meet the customer%X92s needs, CATCO have set its standards of catalytic converters that are produced with top-quality design, material, and performance. The CATCO catalytic converter not only delivers all the necessary function that the product should provide but it gives what the customer expects and truly deserve.

Catco catalytic converter Features and Benefits:

  • Constructed with a 409 stainless steel shell to give optimum durability and strength
  • Designs have met EPA and CARB emission requirements as cataloged
Specifications:
  • Single inlet and outlet configuration
  • Standard assembly with one catalytic converter
  • Ceramic monolith substrate material
  • Stainless steel case material
  • Stainless steel tube material
  • Oval body
  • 5-year or 50,000-mile Catco warranty
Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

  • SKU#: CAT9222
  • Brand: Catco
  • Fit Note: 143.5 in. Wheelbase
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 2-3 business days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Warranty: 5-year or 50,000-mile Catco limited warranty
 
Fits the following GMC Sierra 2500 HD Years:
  • 2004-2005 | 8 Cyl 8.1L | WT
  • 2003-2005 | 8 Cyl 8.1L | Base, SLE, SLT
$447.28 List Price $527.79 Save $80.51 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
WALKER ULTRA CATALYTIC CONVERTER

Walker Ultra Direct-Fit Catalytic Converter is made available for OBDII (1996 and newer) vehicles. It is manufactured for specific vehicle emissions requirements. It features a higher loading of precious metals, optimal substrate content, and a high technology washcoat to ensure unsurpassed performance and durability.

Specifications:
  • Stainless Steel body material
  • Ceramic catalyst substrate material
  • 2 oxygen sensor ports
  • Round body
Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

  • SKU#: WK55557
  • Brand: Walker
  • Fit Note: Except Low Emiss. Vehicle (LEV), Federal Emiss. Models, 49 State Direct Fit, Fed and Calif Emiss. Models, 49 State Direct Fit
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • 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 2500 HD Years:
  • 2007 | 8 Cyl 8.1L | Classic SL, Classic SLE, Classic SLT, Classic WT
  • 2003-2007 | 8 Cyl 6.0L | SLE, WT
(see more)