Buy 1989 Buick Century Valve - Exhaust. Valves. All Models. Astro, Safari. Exhaust Valve (Standard) Models, BEARINGS - OEM Buick Part # 10044515

OIL PAN. OIL PUMP. All Models; Exhaust. All Models; Intake. All Models; w/Ciera Wagon. All Models; w/No 5. All Models; w/o Ciera Wagon. All Models; w/o No. 5. All Models; w/o No.5. All Models; w/o O-Ring Type. All Models; w/O-Ring Type. Camshft.