1990 Buick Riviera Exhaust Parts

Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:

• OE DESIGN — Designed with OE-style features for easy installation and fit
• PREMIUM MATERIALS — Made from high-quality materials for durability and long life
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:

• OE DESIGN — Designed with OE-style features for easy installation and fit
• PREMIUM MATERIALS — Made from high-quality materials for durability and long life
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:

• OE DESIGN — Designed with OE-style features for easy installation and fit
• PREMIUM MATERIALS — Made from high-quality materials for durability and long life
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

Complete your exhaust repair with a Walker spring bolt kit. Designed to ensure a tight connection and inhibit leaks, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:

• KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
• CONSISTENT PERFORMANCE — Spring designed with the right compression strength for a secure connection
• PREMIUM MATERIALS — Made from high-quality materials for durability and long life
• THE RIGHT CONNECTION — Designed to be used for ball and socket joint
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Validated for fit, form and function
• Unsurpassed quality you can trust

Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:

• Walker offers a variety of clamp styles and sizes for your installation needs
• Helps to ensure a leak-free connection
• Constructed from durable and robust material for long life
• New Walker® accessories help to ensure effective exhaust repairs
• Walker® supplies all of the accessories you need to do the complete exhaust job

Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

• CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• PREMIUM MATERIALS – Made from quality material for durability and long life
• BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

• CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• PREMIUM MATERIALS – Made from quality material for durability and long life
• BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Direct-Fit Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

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.
• 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 or welding
• 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
• STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209 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 OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

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.

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481515. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 1997-1999 Buick LeSabre, 1997-1999 Buick Park Avenue, and additional vehicles. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

• All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
• MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
• MAHLE gaskets is the leader in Domestic, Asian and European applications
• The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.

Product Features:

• Manufactured from high-temperature acrylic blend exhaust material
• Provides excellent sealing and durability
• Can be trimmed if necessary for modified port applications
• For OE replacement, high performance street, drag race and oval track use
• Precision Die Cut For Excellent Fit

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Contains all gaskets and seals to remove and replace exhaust manifold

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Additional Information: length is 4.45 inches and width is 2.76 inches

Designed for an exact fit, our Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:

• Constructed of durable spring steel
• Rust and corrosion resistant
• Also available in a kit that include the Exhaust Manifold Bolt
• Easy installation

Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker is a ‘one-stop’ convenience, offerin

Product Features:

• Offered in a variety of styles and sizes for your installation needs
• New Walker accessories help to ensure effective exhaust repairs
• Constructed from durable and robust material for long life
• Designed to work seamlessly with OE and Walker aftermarket replacement parts
• Walker supplies all of the accessories you need to do the complete exhaust job

Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker is a ‘one-stop’ convenience, offerin

Product Features:

• Offered in a variety of styles and sizes for your installation needs
• New Walker accessories help to ensure effective exhaust repairs
• Constructed from durable and robust material for long life
• Designed to work seamlessly with OE and Walker aftermarket replacement parts
• Walker supplies all of the accessories you need to do the complete exhaust job

Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

• RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
• EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
• OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information

Product Features:

• Show Quality Chrome Platinum
• Durable Black Finish
• Can Be Welded Or Clamped
• Complete The System
• Glass-Packed Resonators

Vibe-Lock Bolt

Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:

• New hardware helps fix exhaust leaks
• Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
• Also available separately (where applicable)
• Hardened steel construction for long-lasting durability

Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:

• Offered in a variety of styles and sizes for your installation needs
• Constructed from durable and robust material for long life
• Universal fit for installation flexibility
• Designed to work seamlessly with OE and Walker aftermarket replacement parts
• New Walker® accessories help to ensure effective exhaust repairs

This engine manifold stud and nut match the fit and function of the original hardware on specific makes and models. Ensure a thorough manifold repair or installation with this durable and reliable hardware.

Product Features:

• Direct replacement – this engine manifold stud and nut match the fit and function of the original stud and nut on specified years, makes and models
• Ideal solution – replaces missing or damaged hardware to ensure a thorough manifold installation or repair
• Durable construction – made of quality materials for reliable service life
• Quality assured – backed by a team of product engineers based in the United States

Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:

• 12 per Package
• Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
• 410 stainless steel
• Minimum 180,000 PSI tensile strength
• 24 equally spaced clockwise teeth

Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:

• New hardware helps fix exhaust leaks
• Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
• Also available separately (where applicable)
• Hardened steel construction for long-lasting durability