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Protection to the environment

  1. Product quality
  2. European homologation
  3. Broad product range
  4. In-house technology
  5. The best coveragev
  6. OE link
  7. Owner of the complete exhaust system
  8. Customer service support
  9. Warranty
  10. Distribution channel
  11. Order fill Rate
  12. The best presence in electronic catalogues
  13. Trainings
  14. Testing days
  15. Diagnostic tools

Walker® is a leader in emission technologies for original equipment

Tenneco is working for low emissions for passenger cars, and light commercial vehicles, as well as for heavy-duty vehicles, and the motorcycle sector. With our expertise in hydro forming technologies, double walled air-gap components, catalytic converters, fabricated manifolds, and related emission control technologies, Walker® is a major contributor to the achievement of low-emissions and low-noise vehicles.

Emission Technologies for Environnemental Mandates

  • Diesel Oxidation Catalyst

    • Removes up to 90 % of carbon monoxide and hydrocarbons.
    • Suitable where ultra-low sulfur fuel is not available.
    • High temperature resistance.
    • Provides heat for regeneration of DPF, where applicable.
    • Applicable for light and heavy-duty applications.
  • Selective Catalytic Reduction (SCR)

    • An after treatment solution for NOx reduction: a gaseous or liquid reductant (most common commontly ammonia or urea) reacts with NOx on the substrate to form harmless water and nitrogen.
    • Meets 2010 emission regulations for heavy-duty trucks.
    • Meets Euro-4, Euro-5 and Euro-6.
    • Indirectly improves fuel economy by allowing an engine to run hotter and leaner.
  • ELIM-NOx technology:

is the 2nd generation SCR, a fully integrated system including injector, pump, filter, ECU, software, sensors and heater.

  • NOx Absorber Catalyst Systems

    • Alternative solution to Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction (SCR). NOx is converted and absorbed into a chemical storage site within the system.
    • The collected NOx is converted into non-polluting nitrogen (N2), Carbon dioxide (CO2) and water (H2O).
    • Good performance at high exhaust temperatures.
    • 90 % conversion efficiency.
  • Diesel Particulate Filter (DPF)

    • Filtration efficiency more than 95 %.
    • High temperature resistance.
    • Meets Euro-4, Euro-5 and Euro-6.
    • With regeneration.
  • Sound Engineering

    • Advanced prediction tools used with leading car manufacturers.
    • Use of prediction tools like Gillaum, GT-Power, Wave.
  • Winner of PACE Award

    • 2007: Diesel after treatment predictive development process.
    • 2006: Low cost low weight muffler.
  • Our original equipment customer

Audi - Audi A3 - Audi A4 - Audi A6 - BMW - BMW 1-series - BMW 3-series - BMW motorbikes - Chrysler - Chrysler Crossfire - Citroën - Citroën C4 - Citroën C5 - Citroën C6 - Citroën C8 - Citroën Jumpy - Fiat - Fiat Croma II - Fiat Ulysse - Ford - Ford Focus - Ford Focus C-Max - Ford Mondeo - Ford Galaxy - Jaguar - Jaguar S-Type - Jaguar XJ Series - Lancia - Lancia Phedra - Mercedes - Mercedes C-Class - Mercedes E-Class - Mercedes S-Class - Mercedes M-Class - Mercedes CLK - Mercedes Sprinter - MINI - Opel - Opel Corsa - Opel Astra - Opel Zafi ra - Opel Vectra - Opel Signum - Peugeot - Peugeot 307 - Peugeot 407 - Peugeot 607 - Peugeot 807 - Peugeot Expert - Porsche - Porsche Boxster - Porsche Cayman - Porsche 911 - Porsche Cayenne - Saab - Saab 9.3 - Saab 9.5 - Seat - Seat Altea - Seat Toledo - Seat Alhambra - Skoda - Skoda Octavia - Smart - Smart Forfour - Vauxhall - Vauxhall Corsa - Vauxhall Astra - Vauxhall Zafira - Vauxhall Vectra - Vauxhall Signum - Volkswagen - Volkswagen Golf V - Volkswagen Touran - Volkswagen Eos - Volkswagen Passat - Volkswagen T5 Transporter - Volkswagen LT3 - Volkswagen Caddy III - Volkswagen Touareg - Volvo - Volvo C30 - Volvo S40 - Volvo V50 - Volvo C70 - Volvo S60 - Volvo S80 - Volvo V70 - Volvo XC90

 Research

  • Tenneco provides full system engineering services for automotive industry manufacturers, from the initial design concept, through to the series production.
  • In the area of emission control, Walker® research and development center in Edenkoben, Germany, is the leader in advanced technologies for emission systems with particular competencies in the areas of:
    • Exhaust gas treatment
    • Gas flow dynamics
    • Thermal management
    • Acoustics
    • Lightweight designs