Shop 1990 Buick Century Engine Timing Camshaft Sprocket. 9-5; Exhaust. Variable Valve Timing Actuator Exhaust, Actuator - OEM Buick Part # 12621505 (12578516)

Camshaft Gear. Engine Timing Camshaft Sprocket. Timing Chain Gea.
Engine Timing Camshaft Sprocket. Exhaust.

Engine Timing Camshaft Sprocket

Fits 9-5

9-5; Exhaust.
Variable Valve Timing Actuator - Repair or Replace
If your has a faulty variable valve timing actuator, your check engine light will be accompanied by misfires, hesitation on acceleration, or pinging under load.