A9369900017
Coolant Pump Drain Screw Plug
Detroit Diesel

This zinc-plated screw plug is designed for draining coolant from the pump assembly, facilitating maintenance and fluid management. With a length of approximately 1.46 inches and an M18x1.5 thread size, it provides a secure and leak-proof seal when in place. The hexagonal head allows for easy installation and removal using standard tools, ensuring quick access during routine maintenance. Made from durable steel, the plug resists corrosion and environmental degradation, maintaining integrity over time. Proper coolant drainage is vital for engine cooling system health, preventing overheating and ensuring efficient thermal management. This component’s reliable sealing capabilities help maintain system pressure and prevent leaks. Source One Parts Center offers this essential plug as a convenient part to streamline maintenance procedures and prolong your cooling system’s effective operation.