Cutting corners on replacement filter quality may seem like one way in which garages can make savings on their parts bills. However, new laboratory tests by filter maker MAHLE show that this is a major false economy.

The MAHLE tests show practical evidence of the problems that can arise through replacement of OE specification filters with non-standard products. Engineers at the filter maker’s Stuttgart headquarters claim that installation of competitors’ products that clearly deviate in design from the MAHLE Original products as supplied to vehicle manufacturers, which feature a patented pin component, can lead to damage to the bypass valve in the oil filter housing.  A number of examples of damage have already been reported to MAHLE by the independent aftermarket.

Analysis comparing competitor product design with the MAHLE Original OX 171/2 D eco oil filter supplied to Ford and Peugeot for the 1.6 HDi engine range has shown that non-standard filters are not in all cases compatible with the geometry inside the oil filter housing, and therefore suitable for installation in all housings. 

Andreas Kimmerle, Head of Product Management Aftermarket at MAHLE commented, “The bypass valve can be damaged and pressed into the functional carrier and when the workshop technician closes the cover, the damage can even be increased. Consequently, the filter will not function.”

MAHLE Aftermarket Managing Director Phill Everitt added, “A mounting test carried out in the MAHLE laboratory has clearly identified the danger of incorrect mounting of the competitive oil filter element.” He went on, “Our message to independent workshops in Ireland is simple. To avoid potential consequential damage to the engine, we strongly recommend that only MAHLE Original products with the patented pin are used in servicing and repair.”

Phill Everitt went on to stress, “We are not even talking about low cost or counterfeit products here. The tests we conducted were on products from reputable filter manufacturers, so independent workshops need to be very wary.”

MAHLE, is a supplier of filtration components to all major European and Asian vehicle manufacturers. It also offers a comprehensive aftermarket range. For more information visit www.mahle.com