1990 Jeep Wrangler Catalytic Converters

Your 1990 Jeep Wrangler might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Catalytic Converters you desperately need.

We currently carry 14 Catalytic Converters to choose from for your 1990 Jeep Wrangler, and our inventory prices range from as little as $126.99 up to $1,280.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Catalytic Converters for the 1990 Jeep Wrangler. We only sell parts from trusted brands like Walker so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 41 reviews on our Catalytic Converters for the 1990 Jeep Wrangler from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Catalytic Converters stock in-person!

Catalytic Converters for Your 1990 Jeep Wrangler

Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15031)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$178.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23225)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$295.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23225 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1987-1990 Jeep Wrangler. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15042)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$167.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23229)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$197.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23229 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1986-1992 Jeep Cherokee, 1987-1992 Jeep Wrangler, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15634)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$297.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Standard® direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.80906)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$793.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
See More

Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15637)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$330.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Standard® direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94015)

Standard Grade Federal / EPA Compliant Universal Catalytic Converter

from

$126.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94015 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.3391225)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$1280.99
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391225 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1987-1990 Jeep Wrangler. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.3391016)

California Grade CARB Compliant Universal Catalytic Converter

from

$1214.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 3391016 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.3391229)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$1166.99
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391229 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1987-1992 Jeep Wrangler, 1986-1992 Jeep Cherokee, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.80900)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$921.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
See More

Omix – Catalytic Converter 4-Cylinder Xj Cherokee, 6-Cylinder Yj Wrangler 84-90 (Part No.17604.02)

Catalytic Converter 4-Cylinder Xj Cherokee, 6-Cylinder Yj Wrangler 84-90

from

$476.99
Own a Jeep? The toughest four letter word on wheels. Are you looking for a parts source rugged enough to match your off the beaten path sense of adventure? With more than 11,000 unique part numbers from brands like Omix-ADA, Rugged Ridge, Alloy USA, Outland Automotive, ORV Suspension and Precision Gear, consider this your trail guide to the 4×4 of your dreams. A go anywhere, anytime, in any weather vehicle. Go ahead and smile, because it’s going to take a lot of courage not to be cocky when you Own a Jeep like that? Omix-ADA is more than just a parts manufacturer, they’re a community of enthusiasts dedicated to producing the finest in off-road solutions. Our products have been propelling four-wheel drive vehicles down highways, back roads and over the world’s roughest terrain for about two decades. Omix’s team of engineers have developed, tested and trail ridden many of our 11,000+ products until they were perfected for you. Omix-Ada is proud to have one of the most capable Research and Development, Engineering, and Product Design teams in the automotive aftermarket. By utilizing the latest in 3D Computer Aided Design and Finite Element Analysis, and coupling these tools with our decades of market experience, we are able to develop products that give our customers the highest value parts possible.

Product Features:
  • 1987-1990 Wrangler (4.2L), 1984-1985 Cherokee (2.5L), Catalytic Converter, With Air Tube Hole
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Omix – Catalytic Converter 91-92 6-Xj & Yj Wrangler (Part No.17604.03)

Catalytic Converter 91-92 6-Xj & Yj Wrangler

from

$407.99
Own a Jeep? The toughest four letter word on wheels. Are you looking for a parts source rugged enough to match your off the beaten path sense of adventure? With more than 11,000 unique part numbers from brands like Omix-ADA, Rugged Ridge, Alloy USA, Outland Automotive, ORV Suspension and Precision Gear, consider this your trail guide to the 4×4 of your dreams. A go anywhere, anytime, in any weather vehicle. Go ahead and smile, because it’s going to take a lot of courage not to be cocky when you Own a Jeep like that? Omix-ADA is more than just a parts manufacturer, they’re a community of enthusiasts dedicated to producing the finest in off-road solutions. Our products have been propelling four-wheel drive vehicles down highways, back roads and over the world’s roughest terrain for about two decades. Omix’s team of engineers have developed, tested and trail ridden many of our 11,000+ products until they were perfected for you. Omix-Ada is proud to have one of the most capable Research and Development, Engineering, and Product Design teams in the automotive aftermarket. By utilizing the latest in 3D Computer Aided Design and Finite Element Analysis, and coupling these tools with our decades of market experience, we are able to develop products that give our customers the highest value parts possible.

Product Features:
  • 1991-1992 Wrangler, 1991-1992 Cherplee, Catalytic Converter (4.0L)
  • 1987-1992 Wrangler, Catalytic Converter (2.5L)
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FAQs for 1990 Jeep Wrangler Catalytic Converters

What are the most popular Catalytic Converters for the 1990 Jeep Wrangler?

With 3 brands you can trust, our most popular Catalytic Converters for the 1990 Jeep Wrangler parts are: