Shop 1985 Buick Century Guide. Chain. Engine. Timing. Tensioner. 9-3; Lower; Tensioner Side. 9-5; Lower Camshaft, CRANKSHAFT - OEM Buick Part # 55557269 (30551887)

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. Cam Chain Tensioner. Guide for the Timing Chain. Shoe.

Engine Timing Chain GuideEngine Timing Chain Tensioner

Fits 9-3, 9-5, 900, 9000

9-3; Lower; Tensioner Side. 9-5; Lower; Tensioner Side. 900, 9000.