Technical Support

The Answer You’ve Been Looking For.

Walker backs each product with one of the industry’s
most responsive technical support operations, ranging from phone-based catalog and installation assistance to online support.

Experienced field engineers monitor the performance of Walker Heavy Duty products to ensure quality and dependability. Tenneco provides a distribution network which is unmatched in the Aftermarket Exhaust Industry.

Mailing Address

Walker Commercial Vehicle
2701 North Dettman Road
Jackson, MI 49201
United States

Tech Support Hotline

1-734-384-7834

Online Tech Support

To send us your technical question, use this form.

Online Catalog

Accessories, Application Listings, Muffler Specifications, Numerical Listings, OE Cross Reference and more...
Online Catalog section.

Build To Order

Tenneco has the capability to make a wider range of products than we have listed in our North American catalog.
BTO section.

Direct Applications

For a specific class 4 through class 8 Truck or School Bus application not found in this site, please contact your local dealer or call Walker's Technical Service Help Line at 1-734-384-7834.

Stemco Interchange

Please consult this table for the full listing of our Stemco Interchange.

Warranty

Find out more about the Walker "Safe & Sound" Guarantee and our Commercial Warranty.
Warranty