Chevy Silverado 2500 HD Catalytic Converter

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 style
• Flange inlet
• Flange outlet
• With two 18 mm x 1.5 mm style oxygen sensor ports
• Standard assembly with two catalytic converters
• Oval body
• Single inlet and outlet configuration

Notes:

• 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states

Fits the following 2003-2006 Chevrolet Silverado 2500 HD submodels:

• 2004-2006: WT; 8 Cyl 6.0L;
• 2003-2006: LS; 8 Cyl 6.0L;

• 2003-2006: LT; 8 Cyl 6.0L;

• 2003-2005: Base; 8 Cyl 6.0L;

Fits 2 more submodels. (Show all) Show less info

MAGNAFLOW 49-STATE SEMI-UNIVERSAL CATALYTIC CONVERTER

• 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.

Fits the following 2001-2002 Chevrolet Silverado 2500 HD submodels:

• 2001-2002: Base; 8 Cyl 8.1L;
• 2001-2002: LS; 8 Cyl 8.1L;

• 2001-2002: LT; 8 Cyl 8.1L;

Fits 1 more submodels. (Show all) Show less info

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
• With two oxygen sensor ports
• 5-year or 50,000-mile Catco warranty

Notes

49-state legal; Not for sale or use in California; Cannot be shipped to California addresses

Fits the following 2003-2005 Chevrolet Silverado 2500 HD submodels:

• 2003-2005: Base; 8 Cyl 6.0L;
• 2003-2005: Base; 8 Cyl 8.1L;

• 2003-2005: LS; 8 Cyl 6.0L;

• 2003-2005: LS; 8 Cyl 8.1L;

• 2003-2005: LT; 8 Cyl 6.0L;

• 2003-2005: LT; 8 Cyl 8.1L;

• 2004-2004: WT; 8 Cyl 6.0L;

• 2004-2004: WT; 8 Cyl 8.1L;

Fits 6 more submodels. (Show all) Show less info

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:

• 40 in. overall length
• 3-bolt fixed flange and 3-bolt loose flange inlets
• 2-bolt fixed flange outlet
• 4 oxygen sensor ports
• Round body
• Y-pipe assembly

Notes:

• 49-state legal, not for sale or use in California; Cannot be shipped to California addresses

Fits the following 2007-2008 Chevrolet Silverado 2500 HD submodels:

• 2007-2008: LT; 8 Cyl 6.0L;
• 2007-2008: LTZ; 8 Cyl 6.0L;

• 2007-2008: WT; 8 Cyl 6.0L;

• 2007-2007: Classic LS; 8 Cyl 6.0L;

• 2007-2007: Classic LT; 8 Cyl 6.0L;

• 2007-2007: Classic WT; 8 Cyl 6.0L;

Fits 4 more submodels. (Show all) Show less info

WALKER CATALYTIC CONVERTER ASSEMBLY

Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and durability.

Features

• 3-way catalyst style
• Welded flange inlet
• Standard assembly with one catalytic converter
• Higher loaded substrate
• Oval body
• Easy bolt-on installation

Notes

• 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses

Fits the following 2001-2006 Chevrolet Silverado 2500 HD submodels:

• 2004-2006: WT; 8 Cyl 6.0L;
• 2004-2006: WT; 8 Cyl 8.1L;

• 2001-2006: LS; 8 Cyl 6.0L;

• 2001-2006: LS; 8 Cyl 8.1L;

• 2001-2006: LT; 8 Cyl 6.0L;

• 2001-2006: LT; 8 Cyl 8.1L;

• 2001-2005: Base; 8 Cyl 6.0L;

• 2001-2005: Base; 8 Cyl 8.1L;

Fits 6 more submodels. (Show all) Show less info