Select your warranty for the 3999661

Aftermarket DPF filter for Cummins engine model ICS and Paccar engine model PX8 (Cummins ICS/Paccar PX8).

This high-quality aftermarket filter replaces the Cummins part number 3999661 or 3999662

Please note DPF Canada filter products are all new and do not have any core charges.

This DPF filter comes with the following warranty options:

  • 1-year manufacturer's warranty (immediate shipping)
  • 2-year manufacturer's warranty (ships in 1-2 days)
  • 3-year manufacturer's warranty (ships in 1-2 days)