Established in 2018, Tenneco Clean Air India Limited is a subsidiary of Tenneco Inc., which is a world leader in the design and manufacture of clean air and powertrain products for automotive. The company operates under the Clean Air division with a focus on emission control technologies for light and commercial vehicles.

Tenneco Clean Air in India offers sophisticated exhaust and after-treatment systems to enable vehicle makers to comply with tighter emission regulations like Bharat Stage VI. Its product offerings comprise catalytic converters, diesel particulate filters (DPFs), mufflers, and exhaust pipes.
It has strategically located manufacturing plants in India to serve OEMs and Tier 1 customers. It focuses on sustainability, innovation, and environmental regulatory compliance through cutting-edge R&D and engineering expertise.

As of March 31, 2025, the company have 12 plants, consisting of seven Clean Air & Powertrain Solutions plants and five Advanced Ride Technology plants, spread over seven states and a union territory in India.

Products:
The Clean Air & Powertrain Solutions business unit: Clean Air Solutions, Powertrain Solutions
The Advanced Ride Technologies business unit develops, manufactures and markets shock absorbers, struts and advanced suspension systems.

At March 31, 2025, the company employed 145 people in the design, engineering and R&D department.