Genuine 999 073 915 31 Engine Crankshaft Main Bearing Cap Bolt - 999 073 915 31

The Genuine 999 073 915 31 is an OEM engine crankshaft main bearing cap bolt designed for select Porsche vehicles. This precision-engineered fastener plays a critical role in securing the main bearing caps that support the crankshaft within the engine block.

Key Features:

• Genuine OEM Porsche part ensures exact fit and proper specifications
• High-strength steel construction designed to withstand extreme engine forces and vibrations
• Engineered to meet factory torque specifications for proper clamping force
• Essential component during engine rebuilds, bearing replacement, or lower-end service

Main bearing cap bolts are critical fasteners that prevent the bearing caps from shifting under the tremendous forces generated by the rotating crankshaft assembly. These bolts must be torqued to precise specifications during installation and are typically replaced rather than reused during engine service to ensure reliability and prevent catastrophic engine failure.