ACDelco 11562426 M6x1x25 Heavy Hex Acorn Flange-Head Multi-Purpose Bolt

The ACDelco 11562426 is a M6x1x25 Heavy Hex Acorn Flange-Head Multi-Purpose Bolt — a genuine GM OEM fastener engineered to exact factory specifications. Designed as a direct factory replacement, this bolt delivers the precise fit, torque performance, and durability required for a wide range of underhood and chassis assembly applications.

Key Features:

• Thread Size: M6 x 1.0 mm pitch
• Length: 25 mm
• Head Style: Heavy hex acorn (acor) flange head
• OEM Part Number: 11562426
• Finish: Factory-grade corrosion-resistant coating
• Meets GM installation, torque, and durability standards
• Backed by the GM Replacement Parts Limited Warranty
• Sold individually

This bolt is commonly included with assemblies such as oil pans, water pumps, intake manifolds, front covers, oil coolers, resonators, separators, inlet pipes, by-pass pipes, water manifolds, level indicators, catalytic converters, and suspension crossmembers. It is a trusted fastener across a broad range of GM vehicle platforms.

GM OEM Part Number: 11562426