This caliper bolt directly replaces OEM part numbers ​GM15016308​ and ​18K17004. Compatible with ​Chevrolet Silverado 1500, GMC Sierra 1500, Buick Lesabre, and more—ensuring your brake system works exactly as the factory intended, with no compromises. Designed to mount disc brake caliper brackets on ​both front and rear wheels, this bolt eliminates the need to buy separate parts. It guarantees precise alignment and secure braking performance, whether you're replacing a front or rear bolt—saving you time and money. Precision-machined with ​metric threads​ that grip tight and resist loosening from engine vibration, road bumps, or heavy use. This means a durable, long-lasting hold that won't fail—critical for safe braking on any terrain. Features a ​standard hex head​ that fits most wrenches or hex drivers—no special tools required. Perfect for DIY brake maintenance or pro service: replace worn/stripped bolts in minutes with confidence, knowing torque retention stays strong for safety. We stand behind ​OEM-level quality​ to keep your vehicle's brake system reliable. If you have questions about fitment, installation, or performance, our team responds ​within 24 hours.