Buy OEM 2003 Chevrolet Part # 12643670 (12654816). Engine Crankshaft Main Bearing. Acadia limited; No. 3. Acadia; No. 3. ATS; Main Bearing. ATS; Main Bearings. Camaro; No. 1, 2, 4. Canyon

Bearings. Kit. Main.
Engine Crankshaft Main Bearing. Includes Upper and Lower Set. Includes: One Standard Upper & Lower Bearing. Includes: Upper And Lower Halves. Price Is For One Standard Upper & Lower Bearing. Set Per Journal. Bearing , CR/SHF. Engine Crankshaft Bearing.

Engine Crankshaft Main Bearing

Acadia limited; No. 3. Acadia; No. 3. ATS; Main Bearing. ATS; Main Bearings. Camaro; No. 1, 2, 4. Canyon, Colorado; No. 1, 2, 4. Caprice PPV; No. 1, 2, 4. Captiva Sport; Main Set. CT4. CTS; Full Set; w/Vsport. CTS; No.1, 2 & 4. Enclave, Traverse; No. 3. Enclave; Journals# 1,2,4. Equinox, Terrain; No. 1, 2, 4. Impala; Main Bearing; Stamped 1,2,4. Impala; Main Set; All. Impala; Main Set; Upper. LaCrosse; Full Set. SRX; Full Set. Traverse; Upper, Lower. XTS; Full Set.
Crankshaft Main Bearing - Repair or Replace
If your 2003 Chevrolet 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.