Filters
For every vehicle,
for every system.
From passenger cars to commercial vehicles, from agricultural machinery to industrial compressors, every filter type is covered. Production to OE standards, accredited testing, supply to more than 80 countries.
Filter Types
The filter types
used on a vehicle.
A passenger car carries four basic filters: the oil filter, the air filter, the fuel filter and the cabin filter. Commercial vehicles and off-highway machines add hydraulic filters, air dryer cartridges, transmission filters, AdBlue filters, coolant filters, and air oil separators on compressors.
Each filter targets a different fluid and a different contamination profile, and one never substitutes for another. Even at identical dimensions, media efficiency, valve pressures and sealing values change with the application. The pages below cover each type separately: its job, its operating conditions, the validation tests behind it and where it is used.
Featured
Oil Filters
Engine oil collects wear particles and soot over time. The oil filter separates these contaminants so the engine runs on clean oil.
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An engine runs on clean air or it doesn't last. The filter stops dust, sand and abrasive particles at the intake.
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Fuel Filters
Water and particles build up in the fuel tank over time. The fuel filter separates these contaminants and protects the injectors and the fuel system.
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Cabin Air Filters
Outside air carries pollen, allergens and exhaust gases in traffic. The cabin filter holds these contaminants back before they reach the interior, keeping the cabin air clean.
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Hydraulic Filters
A hydraulic system generates micro particles in the oil as it runs. The hydraulic filter separates these contaminants so pumps and valves stay precise.
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Air Dryers
Compressed air carries moisture that condenses inside the lines. The air dryer cartridge removes this moisture, keeping brake and suspension circuits dry.
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Transmission Filters
As the transmission runs, wear particles build up in the fluid. The transmission filter separates these contaminants from the oil and extends the transmission's service life.
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AdBlue Filters
Particles form in the AdBlue solution over time. The urea filter separates these contaminants so the aftertreatment system runs reliably.
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Coolant Filters
Rust, scale and deposits build up in the cooling loop over time. The coolant filter removes these contaminants, protecting the water pump and the radiator.
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Air/Oil Separators
Inside a rotary screw compressor, air and oil mix during operation. The air/oil separator pulls them apart so the oil is recovered and the discharged air stays clean.
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Quick Comparison
Which filter
does what?
| Filter | What it retains | Where it is used |
|---|---|---|
| Oil Filters | Wear particles, soot and oxidation residue in engine oil | Gasoline, diesel and hybrid engines; spin-on and cartridge |
| Air Filters | Dust, sand and abrasive particles in intake air | From passenger cars to heavy-duty diesel and off-highway |
| Fuel Filters | Particles in the fuel and separated water | Diesel and gasoline fuel systems, common rail included |
| Cabin Air Filters | Pollen, allergens, soot and exhaust gases | Cabin ventilation; standard, activated carbon, antibacterial |
| Hydraulic Filters | Micron-scale wear particles in hydraulic fluid | Construction, agricultural and industrial systems |
| Air Dryers | Moisture and oil vapour in compressed air | Commercial vehicle brake and air suspension systems |
| Transmission Filters | Metal particles and clutch debris in transmission fluid | Automatic and manual transmissions |
| AdBlue Filters | Particles and crystal residue in AdBlue solution | Diesel vehicles with SCR systems |
| Coolant Filters | Scale, rust and casting residue in the coolant | Heavy-duty diesel, off-highway and stationary engines |
| Air/Oil Separators | Oil droplets in compressed air | Rotary screw air compressors |
Frequently Asked Questions
Technical questions,
short answers.
How many filter types does a vehicle have?
- Passenger cars carry four basic filters: oil, air, fuel and cabin. Commercial vehicles and off-highway machines add hydraulic filters, air dryer cartridges, transmission filters, AdBlue filters and coolant filters. Rotary screw compressors also use an air oil separator.
How often should filters be replaced?
- The interval depends on the filter type and the vehicle manufacturer's service plan. The oil filter goes with every oil change, the cabin filter usually once a year, air and fuel filters at the mileage in the service plan. Dust, short trips, towing and heavy loads shorten every interval.
What is the difference between an OE filter and an aftermarket filter?
- The OE filter is the one fitted on the vehicle assembly line. An aftermarket filter is the replacement built for the same application, and when it is developed to the OE specification it meets the same filtration efficiency, flow restriction and sealing values. What decides equivalence is verified performance, not matching dimensions.
How is the right filter found for a vehicle?
- Two ways: by selecting make, model and engine, or by searching the number on the current filter or the OE part. The online catalogue supports both and returns dimensions, the application list and cross references for each result.
What happens when a filter change is delayed?
- A loaded filter raises flow restriction. In oil and hydraulic circuits the bypass valve opens and fluid passes unfiltered, so particles reach the surfaces directly. On the air side it costs power and fuel, on the fuel side it risks injector damage, and in the cabin the air volume drops.
Get in Touch
The right filter
starts with the right engineer.
Reach the office closest to you or write directly: a spec, an OE number, or a short description is enough; the engineering team responds within one business day.