Shop 1991 Buick Century Engine Crankshaft Main Bearing (Upper). Acadia; Upper; Size 2; ID 323X. CT4 ID, Size, BEARINGS - OEM Buick Part # 55487325

Bearing. Main. CR/SHF. Engine Crankshaft. Set.
Engine Crankshaft Main Bearing. ID-323. Includes: Upper & Lower Bearings For Complete Engine. Marked-X.

Engine Crankshaft Main Bearing

Fits Acadia, Blazer, CT4, CT5, CT6, Envision, XT4, XT5, XT6

Acadia; Upper; Size 2; ID 323X. CT4; Upper; Size 2; ID 323. CT5; Upper; Size 2; ID 323. Envision; Upper; Size 2; ID 323X. XT4; Upper; Size 2; ID 323X. XT5; Upper; Size 2; ID 323 "X". XT6; Upper; Size 2; ID 323 "X".
Crankshaft Main Bearing - Repair or Replace
If your has developed a knocking or tapping sound coming from the engine, you could have a faulty crankshaft main bearing. Allow our certified technicians to help you determine the source of the noise and the best possible solution.