Details

• Brand:

  

• SKU:

  12729655

• Other Names:

  Engine Crankshaft Main Bearing, Bearings, Bearing Kit

• Description:

  Genuine GM OEM Main Bearings (MPN: 12729655) are precision engine components engineered to support and maintain proper clearance for crankshaft rotation in select GM vehicles. These OEM main bearings deliver critical engine performance and longevity by ensuring optimal crankshaft alignment and oil delivery throughout the engine block. When replacing worn or damaged main bearings, choosing authentic GM parts guarantees factory-specification fit and reliability. - Genuine OEM main bearing set designed for select General Motors engine applications and vehicle models - Direct factory replacement part that meets all GM engineering specifications and performance standards - Essential engine block component that maintains crankshaft support, alignment, and hydrodynamic oil film pressure - Compatible with original GM engine assemblies; verify your vehicle's specific engine code before ordering - Authentic General Motors OEM condition part backed by manufacturer quality assurance

• Notes: Includes Complete Set For Positions 1-5. Includes One Standard Upper & Lower Bearing. Includes Standard Upper & Lower, And Thrust Bearings.
• Applications: 6.6L GAS. 5.3L, 6.2L. 6.2L W/O ZR1. 6.2L W/O SUPERCHARGER.
• Replaces:

  12671456, 12682028, 12687344, 12694775, 19420834, 19421174, 19432818

WARNING: California Proposition 65

×

California Proposition 65

WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov