ACDelco Engine Crankshaft Main Bearing Cap Bolt

The ACDelco Engine Crankshaft Main Bearing Cap Bolt line provides the fasteners that hold the crankshaft main bearing caps to the engine block. Also called main cap bolts or crankshaft main bearing bolts, they keep the crankshaft correctly aligned and securely retained during engine operation.

Key Features:

• Made to meet ACDelco's quality and fit standards for dependable clamping force in a high-load engine area
• Helps maintain proper main bearing cap alignment and bearing clearances
• Suited to engine rebuilds, bottom-end repairs, and replacement of fasteners that have been stretched or damaged
• Backed by the ACDelco name, a long-standing supplier of OE-quality replacement parts

Main bearing cap bolts are often torque-to-yield designs, so replace them rather than reusing them. Follow the engine manufacturer's torque specifications and tightening sequence during installation. Choose the correct child item for your application from the options listed on this page.