Oil Filtration

Sustainable filtration concept Blue.on HD

The innovative filtration concept. The alternative to the spin-on filter

Spin-on filters are used in numerous applications and with each filter change, the entire filter unit is completely replaced. Only the filter element would have to be replaced. However, the housing with the other functions is also disposed of and generates million of tons of waste every year and thus an enormous environmental impact. In many cases, recycling does not take place due to the large number of materials used. Even worse, the spin-ons must be disposed of as hazardous waste because of the residual fluids that remain in a spin-on.

Our answer to this environmental pollution is the sustainable filtration concept Blue.on HD. This concept consists of three components: A plastic cap, a filter element, and the valve adapter. The adapter can be easily applied to the existing spin-on interface. And it works for passenger cars, commercial vehicles, agricultural and construction machinery as well as for marine applications.

With the change, only the exhausted filter element is disposed of - the rest remains on the vehicle and that means 90% less waste!

The cover is composed of a high-strength plastic. In the adapter, the engine-proof filter bypass valve ensures consistent filtration performance over the entire engine life. This eliminates damage caused by insufficient or even missing valves. And the risk of contamination of the engine circuit by hard particles is also 20 times lower with the Hengst Blue.on HD.


Sustainable filtration concept Blue.on HD – Your customer benefit at a glance:

Whether for initial installation or retrofitting, the Blue.on HD is always a smart alternative for sustainable oil, fuel or hydraulic filtration. Depending on the requirements, the system can be adapted and numerous filter media is available. If desired, patent protection can also be included – this protects against the installation of counterfeit products and at the same time you get your aftermarket business up to speed.
  • Sustainable concept thanks to lifetime functions and 100% recyclable filter element

  • Easy & clean filter change

  • Engine-proof filter bypass valve ensures consistent filtration performance over engine lifetime

  • Protection against the installation of counterfeit filters

  • 25% less weight and 90% less waste

  • Hard particle contamination 20 times lower


The Blue.on HD filter concept: Less waste thanks to long-life components

Cap as long-life part

· Multi-start thread for quick filter replacement · Drainage plug for clean servicing · Modular system caters for common spin-on sizes discharge stop valve (clean side)

Filter element as service part

· Different filter media to choose from · Seals firmly connected to the filter element · Seal replacement is therefore unnecessary · Easy maintenance without tools · Fail-safe locking system

Adapter with valve as long-life part

· Engine-mounted filter bypass valve ensures consistent filtration performance throughout the life of the unit · Various valves to choose from: Bypass valve, check valve (dirty side), discharge stop valve (clean side)


Blue.on parts


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Do you have any questions? We're here to help.

Christof Schleusener

Head of Product Management

Wolfgang Hilfenhaus

Sales & Application Manager North America


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Nienkamp 55-85
48147 Münster
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We make the planet a purer place with our products. We also take this journey as cleanly as possible.


We develop the filtration solutions of the future. For our customers and for society.


Our focus is on energy efficiency. This protects the environment and saves costs.