The DPF traps soot from diesel exhaust to meet emissions standards; it self-cleans through regeneration cycles.
A ceramic substrate captures particulate matter. When loaded, the system triggers active regen — injecting extra fuel to burn off soot at high temperature.
Doing it yourself? Shop our partners
We may earn a small commission from partner links — it never changes the price you pay.
Replacement runs $1500–$6000 including parts and 2-8 hours labor. Exact cost depends on vehicle, parts tier (OEM vs aftermarket), and local labor rate.
Expected lifespan is 150,000-300,000 miles (cleanable, eventually replaced). Driving conditions, climate, and maintenance affect real-world life.
Limp mode / derate; Check-engine + DPF lights; Frequent forced regens; Boost loss; Soot leak from clamps.
Most modern diesel particulate filter (dpf)s are sealed units that get replaced rather than rebuilt. A shop will diagnose, confirm with a load or output test, then swap the unit and verify operation.
Repairius keeps estimates, work orders, real-time job assignment, customer and vehicle history, inventory, and payments in one place — on desktop and in your pocket.
14-day free trial · credit card required · cancel anytime
Not a mechanic? Send Repairius to your shop — they can run estimates, jobs, and invoices in one place.
Share this page with a mechanic, a shop owner, or a friend working on the same problem.