As a global leader in exhaust and emission control technologies, Tenneco understands the vital role of iATN members in keeping tens of millions of vehicles in operation through world-class diagnostic and repair services.
Our globally respected Walker® and Starla® brands leverage Tenneco’s OE leadership to deliver products that fit and perform like the original parts, regardless of vehicle make or model. We also offer among the industry’s most complete application coverage to help you service more vehicles, and more nameplates, than ever before.
The industry’s only full line of replacement mufflers and assemblies featuring stainless steel construction – just like the OE unit.
Engineered by Tenneco’s global exhaust systems team for favorable sound quality and service life.
Universal or direct-fit for OBDII vehicles (1996 and newer), featuring a sophisticated catalyst technology that helps prevent MIL-related comebacks.
Universal or direct-fit for pre-OBDII (1995 and older) applications, featuring precisely the right catalyst technology for each vehicle.
Universal and direct-fit converters featuring a higher loading of precious metals, made to comply with specific pre-OBDII and OBDII aftermarket requirements in the state of California.
Give your customers a true performance sound and unsurpassed flow and horsepower through dyno-proven systems and mufflers.
Walker is the trusted source of a complete line of OE-quality parts for medium- and heavy-duty trucks, buses and more.
Rely on your Walker and Starla supplier to find virtually any exhaust system part for any common application.
Walker has developed this comprehensive and convenient online catalog for your daily use. Coverage is continually updated to bring you more parts for more applications.
Each year, thousands of repair businesses join Tenneco’s Expert Plus loyalty program to increase their sales and receive great rewards.
Our 90-day consumer satisfaction guarantee brings exceptional value to customers who choose premium Walker and Starla products.
Walker offers the most comprehensive applications and technical support in the aftermarket.
Contact our certified Technical Assistance Team at (734) 384-7830. California: (734) 384-7824. (8:30 a.m.-5:30 p.m. EST, M-F)
Send us your questions via email.