Klarius DPFs Reducing Your Carbon Footprint

Klarius explains why we must all take note of the DPF MOT change.

As of February 2014, the MOT test for diesel cars tightened up to ensure that a Diesel Particulate Filter (DPF) is still in place on vehicles originally fitted with them at the time of manufacture.

DPFs have become standard fitment in recent years, making diesel cars much cleaner in order to meet the increasingly stringent Euro emissions standards. DPFs reduce harmful emissions by capturing soot from exhaust gasses which are then burned away in a controlled manner. If part of this system fails, the filter can quickly become blocked due to a lack of ‘regeneration’ which leads to failure, replacement and often a very costly repair job for the customer.

In order to avoid the high cost of replacing a DPF, many owners have chosen the increasingly popular solution of ‘DPF Deletes’. In this scenario, the risk of blockages is eliminated, as filters are completely removed along with some re-programming of the ECU. ‘Deletes’ are typically half the cost of a new DPF and can in some cases slightly improve fuel economy & performance. The downside however, is that the vehicle is much more polluting (not meeting EU standards) and will now fail the MOT.


Klarius has developed two ranges of DPFs with long-lasting efficiency: the Standard DPF range – with competitive pricing – and a Type Approved DPF range – guaranteeing compliance for vehicles manufactured under Euro 5 (September 2009 to August 2014).

It is important to use high-quality DPFs, as poorly designed filters can cause a decrease in fuel economy, a complete loss of power and can produce a high-level of harmful pollutants. Quality is crucial to the effective operation of both the part and the exhaust system as a whole.

Klarius offers the biggest type approved range in the aftermarket, covering all popular applications. Taking great care during the designing, manufacturing and testing processes, Klarius ensures all products are OEM interchangeable and equivalent in performance and fitment, whilst keeping costs at an aftermarket level. They offer the most active new-to-range programme, with high quality components and invest heavily in research and development to provide their customers with a premium quality DPF range.

In previous years, the MOT test only required DPF-equipped vehicles to pass the old ‘smoke’ test, which even a non-DPF vehicle should pass. Under new rules the vehicle will automatically fail the test if the filter is found to have been removed. So there will be instant demand for these parts. The MOT change brings with it a great opportunity to increase DPF sales in 2014, as those who have already removed their filters will need one fitting before their next MOT.


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