Shop genuine Fleetguard coolant filters and DCA additive cartridges at All Pro Truck Parts. Our WF-series coolant filters protect diesel engine cooling systems against corrosion, scale, cavitation, and thermal breakdown.
Fleetguard coolant filters are the OEM choice for Cummins engines and an OEM-quality replacement across Caterpillar, Detroit Diesel, Mack, Volvo, PACCAR, and International platforms. DCA chemistry replenishes the additive package over service intervals to keep cylinder liners and water pumps in spec.
Need help matching a Fleetguard WF coolant filter part number to your engine? Visit our help center.
