ACDelco 11570139 Heavy Hex Flange Bolt OEM GM Fastener

The ACDelco 11570139 is a genuine OEM heavy hex flange bolt designed and sourced directly through General Motors. As an ACDelco Professional parts fastener, this bolt is manufactured to the exact specifications required for GM vehicle assembly and service applications, ensuring a proper fit and reliable performance.

Key Features:

• Genuine OEM ACDelco/GM fastener — built to factory specifications
• Heavy hex head design provides increased wrenching surface and higher torque capacity compared to standard hex bolts
• Integrated flange distributes clamping load evenly, eliminating the need for a separate washer
• High-strength construction for demanding automotive assembly and repair applications
• Direct OEM replacement for GM vehicles requiring part number 11570139

This ACDelco heavy hex flange bolt is the correct factory replacement fastener for applications calling for GM OEM part number 11570139. Using genuine ACDelco hardware ensures proper torque retention and longevity in critical assembly joints.