Fleetguard LF551A

Fleetguard LF551A is a reliable OEM-grade spin-on oil filter engineered for industrial and heavy-duty engines, such as those in Case, Caterpillar, Ford, and Volvo equipment. It features a nominal 30‑micron filtration efficiency with 68% capture, along with a built-in bypass valve (set at 69 kPa / 10 PSI) and anti-drainback valve to ensure continuous oil flow during cold starts .