1985 Audi 4000 Quattro Catalytic Converters
Keep Your 1985 Audi 4000 Quattro in Top Shape with Quality Catalytic Converters
Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 1985 Audi 4000 Quattro looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters and Catalytic Converter Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Catalytic Converters from Trusted Brands
Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like Walker. For example, Walker Catalytic Converters start at just $142.99 with an average 4.2 star rating. With over 3 reviews and a solid 4 star average, you can shop with confidence knowing other Audi 4000 Quattro owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1985 Audi 4000 Quattro Catalytic Converter at Advance Auto Parts is around $221.67, with a range that starts at $5.39 and goes up to $459.99. With 5 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Exhaust Pipe Flange Gasket, CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID), and CalCat CARB Universal Catalytic Converter start at just $5.39 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Fittings and Exhaust Tips. At Advance Auto Parts, we’re here to help you keep your 1985 Audi 4000 Quattro in peak condition, inside and out.
Find Your Specific 1985 Audi 4000 Quattro Catalytic Converters
Looking for the perfect Catalytic Converter for your 1985 Audi 4000 Quattro? You’re in the right place. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Catalytic Converters, ensuring durability and a precise fit for your Audi 4000 Quattro. Whether you’re driving a 1985 model or another popular model year like
1984,
1986, and
1987, we’ve got you covered. Purchasing Catalytic Converters from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Catalytic Converters that fit your vehicle.
Essential 1985 Audi 4000 Quattro Catalytic Converters
Walker – CalCat Universal Catalytic Converter (Part No.80801)
from
$142.99
Walker an industry leader for import And domestic applications, offers Walker CalCat Universal Catalytic Converters, available for OBDII (1996 And newer) vehicles And Pre-OBD (1995 And older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker CalCat Catalytic Converters are legal for sale in the state of California, And any state complying with California regulations.
Product Features:
See More
Product Features:
- Legal for sale in the state of California, complies with C.A.R.B. regulations
- Stainless steel body with aluminized pipe and heat shields for durability
- Expandable bushings for custom installation requirements
- Universal converter may require modification to complete installation
Walker – CalCat CARB Universal Catalytic Converter (Part No.81301)
from
$401.99
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:
See More
Product Features:
- 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 emissions and structural integrity warranty. Visit Walkerexhaust.com for details.
Walker – Standard EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.15051)
from
$97.99
Product Features:
See More
- 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 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 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.
Walker – CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.81101)
from
$459.99
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:
See More
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 wash coat 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 welding for installation
- BUY WITH CONFIDENCE – Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity limited warranty
Walker – Exhaust Pipe Flange Gasket (Part No.31365)
from
$5.39
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
- HEAT RESISTANT – Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS – Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Popular 1985 Audi 4000 Quattro Catalytic Converters Categories
Most Popular Catalytic Converters for 1985 Audi 4000 Quattros
Enhance your 1985 Audi 4000 Quattro with one of the 4 Catalytic Converters we have in stock, starting at just $97.99.
Walker – CalCat Universal Catalytic Converter (Part No.80801)
from
$142.99
Walker an industry leader for import And domestic applications, offers Walker CalCat Universal Catalytic Converters, available for OBDII (1996 And newer) vehicles And Pre-OBD (1995 And older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker CalCat Catalytic Converters are legal for sale in the state of California, And any state complying with California regulations.
Product Features:
See More
Product Features:
- Legal for sale in the state of California, complies with C.A.R.B. regulations
- Stainless steel body with aluminized pipe and heat shields for durability
- Expandable bushings for custom installation requirements
- Universal converter may require modification to complete installation
Walker – Standard EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.15051)
from
$97.99
Product Features:
See More
- 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 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 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.
Walker – CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.81101)
from
$459.99
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:
See More
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 wash coat 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 welding for installation
- BUY WITH CONFIDENCE – Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity limited warranty
Walker – CalCat CARB Universal Catalytic Converter (Part No.81301)
from
$401.99
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:
See More
Product Features:
- 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 emissions and structural integrity warranty. Visit Walkerexhaust.com for details.
Best-Selling 1985 Audi 4000 Quattro Catalytic Converter Gasket
Upgrade your 4000 Quattro with our best-selling Catalytic Converter Gasket.
Walker – Exhaust Pipe Flange Gasket (Part No.31365)
from
$5.39
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
- HEAT RESISTANT – Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS – Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Top-Rated Catalytic Converter Brands For Your 1985 Audi 4000 Quattro
When it comes to finding the perfect Catalytic Converter for your 1985 Audi 4000 Quattro, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Catalytic Converter brands including Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $142.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 1985 Audi 4000 Quattro, providing peace of mind with parts that meet or exceed OEM standards.
Popular Walker 1985 Audi 4000 Quattro Catalytic Converters
If you’re looking for a top-quality Catalytic Converter for your 1985 Audi 4000 Quattro, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 1 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $142.99, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 1985 Audi 4000 Quattro come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$142.99
(1)
CalCat Universal Catalytic Converter
“Had to cut my old Cat and weld new Cat onto ends. Passed my failed 1991 Honda Accord with flying colors. Reduced HC and NOX numbers from the 1000s d”
FAQs for 1985 Audi 4000 Quattro Catalytic Converters
What are the best-selling Catalytic Converters for 1985 Audi 4000 Quattros?
Out of 5 Catalytic Converters that fit 1985 Audi 4000 Quattros, the following parts are the top sellers:
- Exhaust Pipe Flange Gasket (18370044) – $5.39
- CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (11481355) – $459.99
- CalCat CARB Universal Catalytic Converter (50173954) – $401.99
What’s the price range for 1985 Audi 4000 Quattro Catalytic Converters?
The prices of Catalytic Converters for the 1985 Audi 4000 Quattro range from $5.39 up to $459.99 for the most premium parts.
What is the average price of a Catalytic Converter for a 1985 Audi 4000 Quattro?
The average price for Catalytic Converters for the 1985 Audi 4000 Quattro is $221.67. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Catalytic Converters for other Audi 4000 Quattro model years?
What are the cheapest Catalytic Converters for my 1985 Audi 4000 Quattro?
The cheapest 1985 Audi 4000 Quattro Catalytic Converters we carry are:
- Exhaust Pipe Flange Gasket (18370044) – $5.39
- Standard EPA Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (18390229) – $97.99
- CalCat Universal Catalytic Converter (10472274) – $142.99
- CalCat CARB Universal Catalytic Converter (50173954) – $401.99
- CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (11481355) – $459.99
Does Advance Auto Parts sell Catalytic Converters for any other 1985 Audi models?
Yes. We stock Catalytic Converters for 3 other popular 1985 Audi models. Some of the most popular are 1985 5000 Catalytic Converters, 1985 4000 Catalytic Converters, 1985 Coupe Catalytic Converters, and 1985 Quattro Catalytic Converters.
What are the top-rated Catalytic Converters that fit the 1985 Audi 4000 Quattro?
The one 1985 Audi 4000 Quattro Catalytic Converter we have in stock is the Exhaust Pipe Flange Gasket. It costs $5.39.
What types of Catalytic Converters do you sell for my 1985 Audi 4000 Quattro?
As of 11/2/25, these are some of the most in-demand types of Catalytic Converters for a 1985 Audi 4000 Quattro:
Can I get help with 1985 Audi 4000 Quattro Catalytic Converter orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Audi Catalytic Converters and more.
What is your return policy for Audi 4000 Quattro Catalytic Converters?
Advance Auto Parts keeps returns simple. For new Audi 4000 Quattro Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.