Engine Timing Chain Tensioner.
An oil pressurized Tensioner that keeps the Chain that runs from the crankshaft to camshaft or the Chain that runs from camshaft to camshaft, from becoming loose and jumping a tooth or more causing Engine damage or out of sync crankshaft to camshaft Timing. Oil Pump.

Engine Timing Chain Tensioner

Fits E-350 Super Duty (2021 - 2024)

E-350 Super Duty. E-450 Super Duty. F250 Super Duty. F250, F350, F450, F550. F350 Super Duty. F450 Super Duty. F550 Super Duty.