ACDelco 12684475 Engine Oil Cooler Adapter

The ACDelco 12684475 is a genuine GM original equipment engine oil cooler adapter designed for GM Duramax diesel engines. This critical engine component serves as the connection point between the engine block and the oil cooler system, ensuring proper oil flow and cooling for optimal engine performance and longevity.

Key Features:

• Genuine GM OE specification part designed and engineered to meet rigorous General Motors standards
• Direct replacement for worn or leaking factory oil cooler adapters
• Precision-manufactured for exact fit, form, and function on compatible GM diesel applications
• Essential component for maintaining proper engine oil temperature and pressure
• Fits 2001-2007 and 2011-2019 GM vehicles equipped with 6.6L Duramax diesel engines

This adapter is commonly used in Chevrolet Silverado and GMC Sierra heavy-duty trucks with the Duramax powerplant. As a factory original equipment part, it ensures reliable sealing and proper oil cooler integration for thousands of miles of service. ACDelco parts are backed by General Motors' engineering expertise and quality standards.