Chevy R3500 Catalytic Converter

Eastern ECO III Series Catalytic Converter

3 decades of advancement is proof enough that Eastern is the top maker of the highest quality aftermarket replacement and OE catalytic converters on the industry. Their ECO Series Catalytic Converters which are developed to help keep the Check Engine Light (MIL) off is another set of catalytic converters with top notch quality.

The Eastern ECO III Series Catalytic Converter is designed with twice the amount of Rhodium for vehicles with emissions that are out of the normal range. 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.

Features and Benefits:

• 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
• 3 in. inlet
• 3 in. outlet
• 26.5 in. overall length
• 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 1989-1991 Chevrolet R3500 submodels:

• 1989-1991: Cheyenne; 8 Cyl 5.7L;
• 1989-1991: Silverado; 8 Cyl 5.7L;

• 1989-1990: Scottsdale; 8 Cyl 5.7L;

• 1989-1989: Cheyenne; 8 Cyl 7.4L;

• 1989-1989: Scottsdale; 8 Cyl 7.4L;

• 1989-1989: Silverado; 8 Cyl 7.4L;

Fits 4 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 1989-1991 Chevrolet R3500 submodels:

• 1989-1991: Cheyenne; 8 Cyl 5.7L;
• 1989-1991: Silverado; 8 Cyl 5.7L;

• 1989-1990: Scottsdale; 8 Cyl 5.7L;

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

CATCO CATALYTIC CONVERTER

Catco catalytic converters are designed with 409 stainless steel pipes and shell for longer life.

Specifications

• Oval body
• 26.25 in. overall length
• 3 in. inlet diameter
• 3 in. outlet diameter
• Single inlet and outlet configuration

Notes

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

Fits the following 1989-1989 Chevrolet R3500 submodels:

• 1989-1989: Cheyenne; 8 Cyl 5.7L;
• 1989-1989: Scottsdale; 8 Cyl 5.7L;

• 1989-1989: Silverado; 8 Cyl 5.7L;

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

BOSAL CATALYTIC CONVERTER ASSEMBLY

Bosal catalytic converters are made to fit vehicle-specific requirements for backpressure, emissions, sound levels, and sensors. Designed and built for long life reliability.

Specifications

• Standard assembly with one catalytic converter
• Oval body
• Single inlet and outlet configuration

Notes

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

Fits the following 1989-1991 Chevrolet R3500 submodels:

• 1989-1991: Cheyenne; 8 Cyl 5.7L;
• 1989-1991: Silverado; 8 Cyl 5.7L;

• 1989-1990: Scottsdale; 8 Cyl 5.7L;

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

WALKER CATALYTIC CONVERTER

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

• 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 1989-1991 Chevrolet R3500 submodels:

• 1989-1991: Cheyenne; 8 Cyl 5.7L;
• 1989-1991: Silverado; 8 Cyl 5.7L;

• 1989-1990: Scottsdale; 8 Cyl 5.7L;

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