Who we are

We provide a full range of genuine and aftermarket filter kits for heavy-duty off-highway and light-to-medium on-highway applications, such as mining, construction, power generation, marine, and transportation.

At DEF, we prioritize cost-efficiency, offering tailored, one-stop filter solutions backed by our service guarantee, which includes:

• Quality-assured products

• Fast freight for any order size

• Single-point contact and responsive support

• Customizable orders to meet your needs

• Access to a wide range of brands:

  • Genuine: Caterpillar, Komatsu, Perkins

  • Heavy-Duty Aftermarket: Fleetguard, Donaldson, Baldwin, Racor, JIMCO

  • Medium-Duty Aftermarket: Hengst, Mann, JIMCO

  • Light-Duty Aftermarket: Mico, VIC, JIMCO