Engine Crankshaft Main Bearing

Part Number: 12729655
Supersession(s): 19420834; 19421174; 19432818
View 12729655 Engine Crankshaft Main Bearing Full-Sized Product Image

Kit. Bearings. Main.
Complete Set. Engine Crankshaft Main Bearing. Includes: All Upper, Lower & Thrust Bearings. Includes: Complete Set For Positions 1-5. Includes: One Standard Upper & Lower Bearing. Includes: Standard Upper & Lower, And Thrust Bearings. Includes: Standard Upper, Lower, & Thrust Bearings. Includes: Upper & Lower Bearing. Includes: Upper, Lower, & Thrust Bearings. Includes:Upper, Lower& Thrust Bearings. Set. Bearing - CR/SHF. Bearing Set. Engine Crankshaft Bearing. Thrust Bearing.

Engine Crankshaft Main Bearing

Camaro; No. 1-5. Corvette. Corvette; w/o Z06; No. 3. Corvette; w/Z06. CT5. CTS-V. Escalade. Escalade ESV. Escalade ESV; Bearing Kit. Escalade; Bearing Kit (All). Express 2500. Express 3500. MAIN BEARINGS; Silverado, Sierra. Savana 2500. Savana 3500. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Suburban. Suburban; 6.2L; Bearing Kit. Tahoe. Tahoe; 6.2L. Yukon. Yukon XL. Yukon XL; 6.2L; Bearing Kit. Yukon; 6.2L; Bearing Kit (All).
Crankshaft Main Bearing - Repair or Replace
If your 1989 Buick Century 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.

Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#25
OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Corvette; AFM Active. Corvette; Crankshaft; w/o Z06; w/Dry Sump System. Corvette; Crankshaft; w/o Z06; w/o Dry Sump System. Corvette; Crankshaft; w/Z06. Corvette; Exhaust. Corvette; Intake. Corvette; Left. Corvette; Non-AFM. Corvette; Right; w/o Z06. Corvette; Right; w/Z06. Corvette; w/o Supercharged (LT1); w/Dry Sump System. Corvette; w/o Supercharged (LT1); w/o Dry Sump System. Corvette; w/o Z06; Left. Corvette; w/o Z06; No. 1. Corvette; w/o Z06; No. 3. Corvette; w/o Z06; Right. Corvette; w/o Z06; w/Dry Sump Sys; w/Dowel Pin. Corvette; w/o Z06; w/Dry Sump Sys; w/o Dowel Pin. Corvette; w/o Z06; w/Dry Sump System. Corvette; w/o Z06; w/o Dry Sump System. Corvette; w/Supercharged (LT4). Corvette; w/Z06; Left. Corvette; w/Z06; Right.
3. Corvette; w/o Z06; No. Corvette; w/Z06.
Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#25
OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Escalade; 0.5mm Oversized. Escalade; 2WD. Escalade; 4WD; 10 Speed Trans. Escalade; 4WD; 6 Speed Trans. Escalade; 4WD; 8 Speed Trans. Escalade; Active Fuel Management. Escalade; Bearing Kit (All). Escalade; Exhaust. Escalade; Intake. Escalade; Left; 0.5mm Oversized. Escalade; Left; Standard. Escalade; Lower. Escalade; No. 1. Escalade; No. 3. Escalade; Non-Active Fuel Management. Escalade; Right; 0.5mm Oversized. Escalade; Right; Standard. Escalade; Standard. Escalade; Upper. Tahoe; 5.3L; 0.5mm Oversized. Tahoe; 5.3L; 2WD. Tahoe; 5.3L; 4WD. Tahoe; 5.3L; Left; 0.5mm Oversized.
Escalade; Bearing Kit (All). Tahoe; 6.2L. Yukon; 6.2L; Bearing Kit (All).
Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#25
OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Escalade ESV; Active Fuel Management. Escalade ESV; Bearing Kit. Escalade ESV; Exhaust. Escalade ESV; Intake. Escalade ESV; Left. Escalade ESV; Lower. Escalade ESV; Non-Active Fuel Management. Escalade ESV; Right. Escalade ESV; Upper. Suburban; 5.3L; 2WD. Suburban; 5.3L; 4WD. Suburban; 5.3L; Left. Suburban; 5.3L; No. 1. Suburban; 5.3L; No. 3 (Thrust Bearing). Suburban; 5.3L; Right. Suburban; 6.2L; Bearing Kit. Suburban; 6.2L; Left. Suburban; 6.2L; Right. Suburban; Active Fuel Management. Suburban; Exhaust. Suburban; Intake. Suburban; Left. Suburban; Lower.
Escalade ESV; Bearing Kit. Suburban; 6.2L; Bearing Kit. Yukon XL; 6.2L; Bearing Kit.
Diagram Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings. for your 1989 Buick Century
#25
Oil cooler. Oil pan. Oil pump. Variable valve timing. Camaro; Coolant Line; Inlet. Camaro; Exhaust. Camaro; Intake. Camaro; Left. Camaro; No. 1-5. Camaro; Right. Camaro; w/Active Fuel Management. Camaro; w/o Active Fuel Management. Camaro; w/o Supercharger; .5MM Oversize. Camaro; w/o Supercharger; 10 Speed Auto Trans. Camaro; w/o Supercharger; Auto Trans. Camaro; w/o Supercharger; Labeled 12629512. Camaro; w/o Supercharger; Left; .5MM Oversize. Camaro; w/o Supercharger; Left; Standard Size. Camaro; w/o Supercharger; Manual Trans. Camaro; w/o Supercharger; Right; .5MM Oversize. Camaro; w/o Supercharger; Right; Standard Size. Camaro; w/o Supercharger; Standard Size. Camaro; w/Supercharger; .25MM Oversize. Camaro; w/Supercharger; .5MM Oversize. Camaro; w/Supercharger; Auto Trans. Camaro; w/Supercharger; Forged Rod.
1-5. Camaro; No.
Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#25
OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. CTS-V; Crankshaft. CTS-V; Exhaust. CTS-V; Inlet. CTS-V; Intake. CTS-V; Left. CTS-V; Right. CTS-V; w/Active Fuel Management. CTS-V; w/o Active Fuel Management.
CTS-V.
Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#28
Oil cooler. Oil pan. Oil pump. Variable valve timing. Sierra; 5MM Oversize; Left. Sierra; 5MM Oversize; Right. Sierra; Active. Sierra; Exhaust. Sierra; Intake. Sierra; Left. Sierra; Non-Active. Sierra; Right. Sierra; Standard Size; Left. Sierra; Standard Size; Right.
MAIN BEARINGS; Silverado. Sierra.
Diagram CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS. for your 1989 Buick Century
#25
OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Corvette; Crankshaft. Corvette; Exhaust. Corvette; Intake. Corvette; Left. Corvette; Right. Corvette; w/Dowel Pin. Corvette; w/o Dowel Pin.
Corvette.
Diagram Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings. for your 1989 Buick Century
#29
Oil cooler. Oil pan. Oil pump. Variable valve timing. COOLANT; Corvette; Feed. COOLANT; Corvette; Return. Corvette; Active. Corvette; Exhaust. Corvette; Front/Deflector. Corvette; High Pressure Port. Corvette; Intake. Corvette; Left. Corvette; Liquid Sealant. Corvette; Lower Pump. Corvette; Non-Active. Corvette; O-ring Seal. Corvette; O/S 0.5mm; Left. Corvette; O/S 0.5mm; Right. Corvette; Right. Corvette; Standard; Left. Corvette; Standard; Right. Corvette; Upper Pump.
Corvette.
Diagram Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings. for your 1989 Buick Century
#29
Oil cooler. Oil pan. Oil pump. Variable valve timing. Sierra 2500 HD; Exhaust. Sierra 2500 HD; Front Port. Sierra 2500 HD; Intake. Sierra 2500 HD; Left. Sierra 2500 HD; No. 1 & 5. Sierra 2500 HD; No. 2 & 4. Sierra 2500 HD; No. 3. Sierra 2500 HD; Oversized 0.5MM; Left. Sierra 2500 HD; Oversized 0.5MM; Right. Sierra 2500 HD; Right. Sierra 2500 HD; Standard; Left. Sierra 2500 HD; Standard; Right. Sierra 3500 HD; Exhaust. Sierra 3500 HD; Front Port. Sierra 3500 HD; Intake. Sierra 3500 HD; Left. Sierra 3500 HD; No. 1 & 5. Sierra 3500 HD; No. 2 & 4. Sierra 3500 HD; No. 3. Sierra 3500 HD; Oversized 0.5MM; Left. Sierra 3500 HD; Oversized 0.5MM; Right. Sierra 3500 HD; Right.
Sierra 2500 HD. Sierra 3500 HD. Silverado.
Diagram Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings. for your 1989 Buick Century
#29
Oil cooler. Oil pan. Oil pump. Variable valve timing. Escalade ESV; 2WD; From 10/10/22. Escalade ESV; 2WD; To 10/10/22. Escalade ESV; 4WD. Escalade ESV; 5mm Oversize; Left. Escalade ESV; 5mm Oversize; Right. Escalade ESV; Exhaust. Escalade ESV; Intake. Escalade ESV; Left. Escalade ESV; Right; 2WD. Escalade ESV; Right; 4WD. Escalade ESV; Right; All. Escalade ESV; Standard Size; Left. Escalade ESV; Standard Size; Right. Escalade; 2WD; From 10/10/22. Escalade; 2WD; To 10/10/22. Escalade; 4WD. Escalade; 5mm Oversize; Left. Escalade; 5mm Oversize; Right. Escalade; Exhaust. Escalade; Intake. Escalade; Left. Escalade; Right; 2WD.
Escalade ESV. Escalade.

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