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Walker Emissions Control coverage grows by more than 130 million service opportunities

Wednesday, October 31, 2018 - 07:00
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The Walker® Emissions Control product line from Tenneco has grown by 236 part numbers representing more than 130 million potential service opportunities through the first 10 months of 2018. Tenneco expects to introduce dozens of additional Walker part numbers in November and in excess of 200 new catalytic converter, muffler and related part numbers during 2019.

The Walker brand’s year-to-date coverage expansion has included 43 new Walker Ultra® EPA-compliant direct-fit catalytic converters, 71 Walker CalCat® CARB-compliant converters, 47 Walker Quiet-Flow® SS stainless steel mufflers and assemblies, and 75 new resonator, pipe and hardware part numbers. Among the Walker CalCat part numbers introduced this year were first-to-market replacement converters for 26.6 million light trucks and SUVs certified to the U.S. LEV1 SULEV (super ultra-low emissions vehicle) classification.

“In addition to our aggressive, ongoing expansion of application coverage, we have invested in new equipment and additional production capacity in our Harrisonburg, Virginia, manufacturing facility,” said Adam Richardson, senior product manager for the Tenneco North America Aftermarket business. “By relying on the Walker brand, vehicle service businesses can count on outstanding application coverage combined with world-class products that were engineered and assembled right here in North America.”

Engineered for OBDII vehicles certified to U.S. EPA emissions standards, Walker Ultra converters feature the right loading of precious metals and a high-technology washcoat. Many of these units offer original equipment-style design and fitment, including hangers, flanges and brackets, to help technicians perform comprehensive, high-quality repairs in less time.

Walker CalCat converters comply with specific pre-OBDII and OBDII requirements in regions following CARB emissions standards. These units feature the right loading of precious metals, the proper catalyst material and design, and a high-technology washcoat, providing enhanced oxygen storage capacity.

Walker Quiet-Flow SS stainless steel mufflers and assemblies resist rust-out three times longer than competitors’ premium aluminized mufflers. Each QuietFlow SS unit is designed using an original equipment-style cross section to help ensure precise fitment, superior flow and OE-style sound and performance.

To learn more about these and other Walker Emissions control products, visit the Tenneco booth (3217) at this week’s AAPEX Show in Las Vegas, contact any Walker Emissions Control supplier or log on to

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