ACDelco 11589356 GM Genuine Parts Heavy Hex Flange Bolt

The ACDelco 11589356 is a GM Genuine Parts Heavy Hex Flange Bolt designed to meet the precise fit, finish, and torque specifications required by General Motors engineering standards. This OEM-quality fastener features an integrated flange beneath the hex head that distributes clamping load over a wider bearing surface, eliminating the need for a separate flat washer in most applications.

Key Features:

• Heavy hex flange head design for increased bearing area and superior clamp load distribution
• Manufactured to GM OEM specifications for precise fit and reliable performance
• Integrated flange eliminates the need for a separate washer, simplifying assembly
• Steel construction engineered for strength and durability in automotive applications
• Direct OEM replacement ensuring proper torque values and service life

As a genuine ACDelco GM part, the 11589356 heavy hex flange bolt is the recommended replacement fastener for GM vehicles wherever this bolt design is specified, helping maintain the integrity of the original assembly.