PAI Industries MDV-4225 Fuel Tank Shutoff Valve – Mack Trucks Detroit Diesel Donaldson: P554071

Donaldson: P554071

One spring per cab pivot point — replace in pairs to keep cab height even

Donaldson: P550414

Diesel pickups

PAI Industries MDV-4225 Fuel Tank Shutoff Valve – Mack Trucks Detroit Diesel Donaldson: P554071PAI MDV 4225 is a manual fuel tank shutoff valve for Mack heavy duty trucks, with a 1 2 in NPT pipe inlet and 5 8 in tube outlet. Used to isolate fuel flow at a saddle tank or in line for maintenance, tank to tank balancing, or filter changes. Direct replacement for Mack 61AX113, 20786947, and 6635 V412F108. Made in USA. Signs You Need a New Fuel Shutoff Valve Valve handle stiff, seized, or hard to turn Fuel weeping from the valve body or stem Valve