1981 Buick Estate Wagon Catalytic Converters
Keep Your 1981 Buick Estate Wagon 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 1981 Buick Estate Wagon looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converter Gaskets and Catalytic Converters. 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 and Magnaflow. For example, Walker Catalytic Converters start at just $171.99 with an average 4.2 star rating. Magnaflow offer similar pricing and quality, backed by strong customer feedback. With over 14 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Estate Wagon owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1981 Buick Estate Wagon Catalytic Converter at Advance Auto Parts is around $224.66, with a range that starts at $18.99 and goes up to $465.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Exhaust Pipe Flange Gasket, Standard Grade Federal / EPA Compliant Universal Catalytic Converter, and CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) start at just $18.99 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 Manifold and Headers and Exhaust Mufflers. At Advance Auto Parts, we’re here to help you keep your 1981 Buick Estate Wagon in peak condition, inside and out.
Find Your Specific 1981 Buick Estate Wagon Catalytic Converters
Looking for the perfect Catalytic Converter for your 1981 Buick Estate Wagon? 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 Buick Estate Wagon. Whether you’re driving a 1981 model or another popular model year like
1975,
1976,
1977,
1978, and
1979, 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 1981 Buick Estate Wagon Catalytic Converters
Walker – CATALYTIC CONVERTER (Part No.81327)
from
$396.99
CATALYTIC CONVERTER
Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15032)
from
$171.99
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:
See More
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
Walker – CalCat Universal Converter (Part No.80828)
from
$182.99
Walker®, an industry leader for many popular European, Asian and North American vehicles, 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® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. 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
- 5-year/50,000-mile catalytic performance and structural integrity warranty
MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93418)
from
$166.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93418 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 1978-1983 Chevrolet Malibu, 1978-1983 Chevrolet El Camino, and additional vehicles. 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:
See More
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.
Walker – CATALYTIC CONVERTER (Part No.81328)
from
$396.99
CATALYTIC CONVERTER
MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94016)
from
$126.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94016 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:
See More
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.
Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.81127)
from
$465.99
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 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
Walker – Exhaust Pipe Flange Gasket (Part No.31511)
from
$18.99
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 1981 Buick Estate Wagon Catalytic Converters Categories
Most Popular Catalytic Converter Gasket for 1981 Buick Estate Wagons
Enhance your 1981 Buick Estate Wagon with this popular Catalytic Converter Gasket we have in stock, for $18.99.
Walker – Exhaust Pipe Flange Gasket (Part No.31511)
from
$18.99
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
Best-Selling 1981 Buick Estate Wagon Catalytic Converters
Upgrade your Estate Wagon with one of our 5 best-selling Catalytic Converters, earning an average 4.25 stars rating across 14 reviews.
Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15032)
from
$171.99
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:
See More
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
MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93418)
from
$166.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93418 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 1978-1983 Chevrolet Malibu, 1978-1983 Chevrolet El Camino, and additional vehicles. 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:
See More
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.
Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.81127)
from
$465.99
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 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
MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94016)
from
$126.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94016 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:
See More
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.
Walker – CATALYTIC CONVERTER (Part No.81327)
from
$396.99
CATALYTIC CONVERTER
Top-Rated Catalytic Converter Brands For Your 1981 Buick Estate Wagon
When it comes to finding the perfect Catalytic Converter for your 1981 Buick Estate Wagon, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including Walker and Magnaflow, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $166.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 1981 Buick Estate Wagon, providing peace of mind with parts that meet or exceed OEM standards.
Popular Walker 1981 Buick Estate Wagon Catalytic Converters
If you’re looking for a top-quality Catalytic Converter for your 1981 Buick Estate Wagon, 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 $171.99, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 1981 Buick Estate Wagon come highly rated, with over 13 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
$171.99
(13)
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
“Great performance, adds power & quality!”
Top-Quality Magnaflow 1981 Buick Estate Wagon Catalytic Converters
For those in search of a high-quality Catalytic Converter for their 1981 Buick Estate Wagon, Advance Auto Parts offers a great selection of Magnaflow Catalytic Converters. With 1 Magnaflow Catalytic Converters in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Catalytic Converters start at just $166.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.1 stars, Magnaflow Catalytic Converters provide both reliability and excellent performance. Choosing a Magnaflow Catalytic Converter from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$166.99
(1)
Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
“The mounting of this product was very easy, however the exhaust pipe mounting point was about .75″ too long. I had to shorten the pipe by removing an”
FAQs for 1981 Buick Estate Wagon Catalytic Converters
What are the best-selling Catalytic Converters for 1981 Buick Estate Wagons?
Out of 6 Catalytic Converters that fit 1981 Buick Estate Wagons, the following parts are the top sellers:
- Exhaust Pipe Flange Gasket (5601339) – $18.99
- Standard Grade Federal / EPA Compliant Universal Catalytic Converter (16120087) – $126.99
- CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (11481322) – $465.99
What’s the price range for 1981 Buick Estate Wagon Catalytic Converters?
The prices of Catalytic Converters for the 1981 Buick Estate Wagon range from $18.99 up to $465.99 for the most premium parts.
What is the average price of a Catalytic Converters Catalytic Converter for a 1981 Buick Estate Wagon?
The average price for Catalytic Converters for the 1981 Buick Estate Wagon is $224.66. 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 Buick Estate Wagon model years?
What are the cheapest Catalytic Converters for my 1981 Buick Estate Wagon?
The cheapest 1981 Buick Estate Wagon Catalytic Converters we carry are:
- Exhaust Pipe Flange Gasket (5601339) – $18.99
- Standard Grade Federal / EPA Compliant Universal Catalytic Converter (16120087) – $126.99
- Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (22317396) – $166.99
- Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (5383684) – $171.99
- CATALYTIC CONVERTER (50215383) – $396.99
Does Advance Auto Parts sell Catalytic Converters for any other 1981 Buick models?
Yes. We stock Catalytic Converters for 5 other popular 1981 Buick models. Some of the most popular are 1981 Regal Catalytic Converters, 1981 Century Catalytic Converters, 1981 LeSabre Catalytic Converters, 1981 Skylark Catalytic Converters, and 1981 Riviera Catalytic Converters.
What are the top-rated Catalytic Converters that fit the 1981 Buick Estate Wagon?
The one 1981 Buick Estate Wagon Catalytic Converter we have in stock is the Exhaust Pipe Flange Gasket. It costs $18.99.
What types of Catalytic Converters do you sell for my 1981 Buick Estate Wagon?
As of 4/10/25, these are some of the most in-demand types of Catalytic Converters for a 1981 Buick Estate Wagon:
Can I get help with 1981 Buick Estate Wagon Catalytic Converter orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Catalytic Converters and more.
What is your return policy for Buick Estate Wagon Catalytic Converters?
Advance Auto Parts keeps returns simple. For new Buick Estate Wagon Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.