Shop Cadillac Escalade EXT Engine Timing Chain Tensioner. Camshaft, Runs - OEM Cadillac Part # 12559389 (1647259)

Engine Timing Chain Tensioner. Shoe Kit.
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. Arm. Idler to Cam.

Engine Timing Chain Tensioner