Diesel Particulate Filters

100% soot-free with an HJS diesel particulate filter

HJS develops, manufactures and markets a wide range of highly innovative particulate filter solutions for both the OE and retrofit markets. read more ...

Catalytic Converters

HJS is a leading supplier of catalytic converters

HJS offers an extensive range of upgrade and retrofit catalytic converters for spark-ignition and diesel engines. read more ...

Mounting Parts

Assembly equipment – Aftermarket

For over 30 years auto trade and repair shops interested in providing quality have been putting their trust in HJS assembly equipment. read more ...

Electronics

Electronics – Aftermarket

HJS also boasts many years of expertise in the field of electronics – both in retrofit solutions and monitoring and control units. read more ...

Passenger Cars

Exhaust-gas aftertreatment systems for passenger cars

HJS extensive range of diesel particulate filters, catalytic converters and assembly equipment for passenger cars. read more ...

Light Duty Trucks

Exhaust-gas aftertreatment systems for light-duty trucks/vans

Every HJS diesel particulate filter and assembly kit is tailored to the respective model of light-duty truck/van. read more ...

Recreational Vehicles

Exhaust-gas aftertreatment systems for recreational vehicles

Every HJS diesel particulate filter and assembly kit is tailored to the respective model of recreational vehicle. read more ...

Heavy Duty Trucks

Exhaust-gas aftertreatment systems for trucks

HJS's product portfolio for the truck segment includes diesel particulate filters for everything from light- to heavy-duty trucks for short-haul and long-haul forwarding. read more ...

HJS exhaust-gas aftertreatment systems for the aftermarket.
Diesel Particulate Filters, Catalytic Converters, Mounting Parts, EURO TR2 - Thanks to our innovative technologies and products we are making an important contribution to protecting mankind and the environment.

About HJS Emission Technology GmbH & Co. KG

As a medium-sized company based in Menden in central Germany, HJS Emission Technology GmbH & Co. KG has many years of experience and expertise in the field of exhaust-gas aftertreatment. Some 500 employees are engaged in the development, production and marketing of modular systems for reducing pollutant emissions. Our innovative environmental protection technologies can be used either as original equipment or for retrofitting in passenger cars, commercial vehicles and a wide range of non-road applications. read more ...

London Low Emission Zone

The London Low Emission Zone (LEZ) Phases III and IV are implemented-technical solutions that enable the Transport, Bus and Private Operator HGV Industry to comply with the demands and needs of the LEZ are in urgent need. read more ...

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