ACDelco 11588726 GM OE Heavy Hex Acorn Multi-Purpose Bolt

The ACDelco 11588726 is a GM Original Equipment heavy hex acorn bolt designed, engineered, and tested to rigorous GM standards. As a true OE fastener, it delivers the precise fit, form, and function required for GM vehicle assembly and service applications.

This heavy hex acorn-style bolt features a domed acorn head profile that provides a finished appearance while protecting the threaded end. It is built to the same specifications as the hardware installed on the vehicle during original production, ensuring reliable clamping force and long service life.

Key Features:

• Genuine GM OE fastener — same part installed at the factory
• Heavy hex acorn head design for a clean, finished look and thread protection
• Machined finish for consistent dimensional accuracy
• Manufactured to GM fit, form, and function specifications
• Backed by the GM Replacement Parts Limited Warranty

This bolt is a direct OE replacement suitable for GM vehicle bracket and accessory mounting applications where factory-specification hardware is required. Also sold as GM Genuine Parts 11588726.