ACDelco 10120990 GM Genuine Parts Crankshaft Main Bearing Set

The ACDelco 10120990 is a GM Genuine Parts crankshaft main bearing set designed for various General Motors engines. This OE-quality bearing set includes one upper and lower standard bearing, engineered to meet the exact specifications required for proper crankshaft support and engine performance.

Key Features:

• GM Genuine Parts quality - designed, engineered, and tested to rigorous General Motors standards
• Includes one upper and lower standard main bearing
• OE part validated by General Motors for GM vehicles
• Stock size bearing with no groove design
• Manufactured with high-quality materials for durability and reliability
• Backed by General Motors warranty

This crankshaft main bearing set is a direct replacement part that ensures optimal fit and performance in compatible GM engines. As a genuine GM part, it delivers the same quality and reliability as the original equipment installed at the factory, making it the preferred choice for engine rebuilds and repairs.