ACDelco 11549374 GM Genuine Parts Hex Head Bolt with Washers

The ACDelco 11549374 is a GM Genuine Parts hex head bolt designed for suspension and structural applications in General Motors vehicles. This heat-hardened steel fastener is engineered to meet rigorous OE specifications for strength, durability, and precise fitment.

Key Specifications:

• Thread Size: M10 x 1.25mm metric threading
• Overall Length: 1.224 inches (31.1mm)
• Bolt Grade: 10.9 heat-hardened steel for maximum strength
• Head Type: Socket hex head with 13mm tool size
• Head Diameter: 0.709 inches (18mm)
• Finish: Zinc-plated for corrosion resistance
• Includes integrated washers for proper load distribution

Features:

• Heat-hardened construction provides superior tensile strength and durability
• Grade 10.9 rating ensures reliable performance in high-stress applications
• Precision-engineered threads for secure, accurate installation
• Factory zinc coating protects against rust and corrosion
• Designed and validated by General Motors for OE-level quality

ACDelco GM Genuine Parts fasteners are manufactured to the same exacting standards as the original equipment installed during vehicle production, ensuring proper fit, function, and long-term reliability. This bolt is commonly used in suspension component mounting and other critical fastening applications where strength and precision are essential.