Shop 1990 Buick Century Engine Timing Chain Tensioner. Camshaft, Crankshaft - OEM Buick Part # 4663676AC

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. Cam To Cam. From 11/03/2008.

Engine Timing Chain Tensioner

Fits 300, Avenger, Charger, Sebring