A diesel particulate filter (DPF) traps the soot produced by a diesel engine and burns it off during a regeneration cycle, keeping emissions within legal limits. When a DPF blocks up, cracks, or repeatedly fails to regenerate, it can trigger a warning light, noticeably reduce power, and in some cases put the vehicle into limp mode. We stock replacement DPFs for a wide range of diesel utes and 4WDs. See our CleanCore emissions page for background on how these filters and related catalytic converters are engineered to fit.

What does a DPF actually do?

A diesel particulate filter traps soot from the exhaust and periodically burns it off during a regeneration cycle, which is how modern diesel vehicles keep emissions within legal limits.

What are the signs my DPF needs replacing?

Reduced power, a lit DPF warning light, frequent failed regeneration cycles, or a rattling or visibly cracked filter are all common signs the DPF needs attention or replacement.

Is it legal to remove a DPF in Australia?

No. DPF removal, sometimes called a DPF delete, is illegal on a road-registered diesel vehicle in every Australian state and can result in a defect notice or fine.

How often should a DPF be replaced?

There's no fixed interval — a well-maintained DPF with regular highway-speed regens can last 150,000km or more, but frequent short trips and poor regeneration habits can clog it much sooner.