ACDelco 12338144 Flexplate Flywheel Bolt M10x1x18.5

The ACDelco 12338144 is a GM Genuine Parts flexplate and flywheel bolt designed for securing the flexplate or flywheel to the crankshaft in GM vehicles. This precision-engineered fastener features M10x1.0x18.5mm threading and is manufactured to rigorous OEM specifications to ensure proper torque retention and reliability.

Key Features:

• GM Genuine Parts OEM quality bolt
• M10x1.0 x 18.5mm thread specification
• Steel construction with phosphate zinc finish for corrosion resistance
• Designed, engineered, and tested to GM standards
• Direct replacement for original equipment fastener
• Ensures proper flexplate/flywheel retention and alignment

This bolt is designed specifically for fastening critical drivetrain components and is backed by General Motors quality assurance. The phosphate zinc finish provides excellent corrosion protection while maintaining precise thread engagement. ACDelco GM Genuine Parts are manufactured to the same specifications as original equipment, ensuring reliable performance and proper fit in GM vehicles.