Shop 1999 Buick Century Pump Assembly - Oil (W/ SCRN). Engine Oil Pump - Repair or Replace If the oil Engine, Pressure - OEM Buick Part # 55503981 (55513741)

Engine Oil Pump

Fits Encore GX, Trailblazer

Engine Oil Pump - Repair or Replace
If the oil pump in your is in need of attention, you'll likely have an oil pressure light or notice your oil pressure gauge reads low. Your engine might also sound noisier than usual.