Walker® Commercial Vehicle - One call. One trusted Source.
Walker® offers one of the most complete selections of OE-quality replacement exhaust and emissions control products.
Walker® Commercial Vehicle- The industry’s best product support.
Walker products optimize efficiency and performance from your hardest-working vehicles.
Walker® Commercial Vehicle has all the products & accessories needed to complete the job.
WALKER® COMMERCIAL VEHICLE: e-Catalog

WALKER® COMMERCIAL VEHICLE: Dealer Locator
WALKER® COMMERCIAL VEHICLE: Part Image Search


WALKER® COMMERCIAL VEHICLE: Product Interchange

WALKER® COMMERCIAL VEHICLE: Muffler Dimension Search

WALKER® COMMERCIAL VEHICLE: Elbow Dimension Search

WALKER® COMMERCIAL VEHICLE: Clamp Dimension Search
WALKER® COMMERCIAL VEHICLE: Support
The Walker team is committed to helping technicians stay on the leading edge of emissions control diagnosis and repair for commercial vehicles. From web-based resources to live technical support, Walker is a trusted partner in the success of automotive service professionals.
WALKER® COMMERCIAL VEHICLE: Safe & Sound® Commercial Vehicle Guarantee
EXCLUSIVE, INDUSTRY-LEADING PRODUCT SUPPORT

We are so confident you will like your new, premium Walker® Mega-Flow® heavy duty muffler, we will make you this exclusive trial offer. Try a new Mega-Flow® muffler for 90 days. If you don’t feel that the Mega-Flow® muffler meets your expectations, we will replace it with any comparably priced unit of your choice.

WALKER® COMMERCIAL VEHICLE:  How the offer works
First, if for any reason you don’t agree that the Mega-Flow® muffler performs as indicated, simply call our customer service department at (734) 384-7898.

You will be connected directly to a Service Representative, who will register your claim and provide appropriate instructions to replace the muffler free of charge.* Be sure to save your sales receipt to verify your initial purchase and a copy of the invoice for the replacement product you choose. We also ask that you return the original Mega-Flow® muffler to us at our cost. We will provide you with a prepaid means to return the product to us. Upon our receipt of the products and proper documentation, you will receive a check within 4-6 weeks by mail. Ask your Walker® dealer for more details.

*Offer limited to one (1) Mega-Flow® muffler. Offer may be withdrawn at any time. Offer covers only Walker® Mega-Flow® premium mufflers. Offer does not include units improperly installed or substituted. Valid only on vehicles used for commercial use. Valid only on vertical applications. Installation costs under this offer limited to $50.00 per exhaust system replacement.

WALKER® COMMERCIAL VEHICLE: Commercial Warranty
Tenneco warrants to the original purchaser its Walker® Mega-Flow® heavy duty mufflers installed on vehicles used for commercial purposes in vertical applications against defects and wear-out for 4 years from date of purchase or 500,000 miles / 800,000 km, whichever occurs first.

This warranty does not apply to a product that has been modified or improperly installed, or that has been damaged because of misuse, abuse, improper maintenance, accidents of any kind or acts of God. Also, consequential and incidental damages are not recoverable under this warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

There is no other express warranty on Mega-Flow® heavy duty mufflers installed for commercial purposes. Any implied warranty of merchantability or fitness is limited in duration to the duration of this written warranty.

To make a claim under this warranty, return the worn-out or defective product with the dated original receipt to the dealer or retailer from whom it was purchased or to a Tenneco dealer for verification and exchange under this warranty.

This warranty gives you specific legal rights, and you may also have other rights which vary from jurisdiction to jurisdiction. (Valid only in the United States, Canada, and Mexico)