


🔧 Lock in reliability with GM Genuine Parts – because your ride deserves the best!
The GM Genuine Parts 09129242 Crankshaft Balancer Bolt is a precision-machined, OE-certified fastener designed specifically for Chevrolet, Buick, GMC, and Cadillac vehicles. Weighing just 3.84 ounces and crafted with advanced materials, it ensures a secure fit and integrates seamlessly with your vehicle’s safety systems, offering durability and peace of mind unmatched by aftermarket alternatives.





| Manufacturer | GM Genuine Parts | 
| Brand | GM | 
| Model | GM Original Equipment | 
| Item Weight | 3.84 ounces | 
| Product Dimensions | 4.2 x 1.6 x 1.2 inches | 
| Item model number | 09129242 | 
| Exterior | Machined | 
| Manufacturer Part Number | 09129242 | 
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