ACDelco 12648787 Engine Crankshaft Main Bearing - Set

The ACDelco 12648787 is a GM Genuine Parts engine crankshaft main bearing set designed to meet the exacting standards of General Motors original equipment specifications. This bearing set includes one upper and one lower bearing shell, providing a complete replacement solution for crankshaft main journal support in GM engines.

Key Features:

• GM Genuine Parts quality - the true OE parts installed during production or validated by General Motors
• Includes one standard upper and lower bearing set
• Designed, engineered, and tested to rigorous GM standards
• Precision-manufactured for proper fit, form, and function
• Commonly used in GM 3.6L, 3.0L, and 2.8L engine applications
• Backed by General Motors quality assurance

This crankshaft main bearing is essential for proper engine operation, supporting the crankshaft and maintaining proper oil clearances for optimal engine performance and longevity. Some ACDelco GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE), representing the same high-quality GM engineering and manufacturing standards.