Description
Product Overview
The GM Engine Main Bolt (Part No. 11610472) is a genuine original equipment component engineered by GM engineers for Chevrolet, Buick, GMC, and Cadillac models. Crafted from high‑strength machined steel, the bolt features a precision‑cut thread and a robust head design that delivers consistent clamping force. Its compact dimensions (3.3 x 1.9 x 1.5 inches) and lightweight construction (0.81 oz) make it easy to handle while providing the durability required for engine assembly and repair. As an OEM‑approved part, it integrates seamlessly with the vehicle’s safety systems, ensuring compliance with GM’s rigorous standards.
Usage
This bolt is intended for installation in engine assemblies where main bolts secure the crankshaft, cylinder block, or other critical components. Ideal for professional service centers, independent garages, and experienced DIY mechanics, it can be used during engine rebuilds, component replacements, or routine maintenance. The bolt’s design accommodates standard torque specifications, allowing for accurate tightening and optimal engine performance. 
Why Choose Us
Choosing a GM Genuine Parts bolt guarantees that you receive a component that has been validated for fit, function, and safety by the original manufacturer. Unlike aftermarket alternatives, this bolt adheres to GM’s strict engineering tolerances, reducing the risk of premature failure. Each bolt undergoes rigorous quality inspections, and the brand’s reputation for reliability ensures long‑term peace of mind for vehicle owners and technicians alike.
Key Features
- Machined steel construction for superior strength and durability
- Exact OEM dimensions and thread pitch for a perfect fit
- Engineered to meet GM safety and performance standards
- Lightweight design (0.81 oz) for easy handling during installation
- Compatible with Chevrolet, Buick, GMC, and Cadillac engine families
FAQ
Is this bolt a direct replacement for the original part?
Yes, the part number 11610472 matches the original equipment specification, providing a direct, drop‑in replacement for the factory‑installed bolt.
What torque specifications should be used?
Refer to the vehicle’s service manual for the exact torque value, typically ranging between 70‑90 lb‑ft for main engine bolts. Always use a calibrated torque wrench.
Can this bolt be used on all GM models?
The bolt is designed for a range of GM vehicles that share the same engine architecture. Verify the part number against your specific model year and engine type.
How does a genuine GM bolt differ from aftermarket options?
Genuine GM bolts are manufactured to exact OEM tolerances and undergo strict quality control, ensuring compatibility with GM safety systems—something aftermarket parts may not guarantee.
What is the warranty coverage for this part?
GM Genuine Parts typically include a limited warranty covering manufacturing defects. Check the retailer’s policy for specific terms.





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