GM Genuine Water Pump Pulley 12577763
$72.78 on Amazon.com (as of July 10, 2026, 7:18 AM EST) View details ↗
Upgrade your vehicle's cooling system with the GM Genuine Parts 12577763 Engine Water Pump Pulley, precision-engineered for optimal performance and reliability. Designed to meet General Motors' rigorous standards, this OE-grade pulley attaches securely to your water pump shaft, ensuring smooth operation of the engine accessory belt. Compatible with Chevrolet, Buick, GMC, and Cadillac models, it helps maintain proper coolant circulation while reducing premature wear on critical engine components.
Backed by GM's engineering expertise, this pulley undergoes rigorous testing to meet strict OE safety and quality benchmarks. Choose GM Genuine Parts for dependable, factory-approved replacements that integrate seamlessly with your vehicle's systems—unlike aftermarket alternatives that may compromise performance or safety compliance.







