Metelli PA446 Engine Water Pump

Reliable Engine Cooling with Metelli PA446 Water Pump

The Metelli PA446 engine water pump is designed to maintain optimal engine temperature and ensure efficient cooling system performance. Featuring a durable aluminium housing and a cast iron impeller, this new water pump is engineered for longevity and consistent operation in various vehicle applications.

• Includes gasket for secure, leak-free installation
• Aluminium housing for lightweight strength and corrosion resistance
• Cast iron impeller with 8 vanes for effective coolant flow
• Ball/ball bearing type with 36mm outside diameter for smooth rotation
• Impeller outside diameter measures 69mm for precise fitment
• New, not remanufactured, ensuring original quality standards

Technical Details of Metelli PA446 Water Pump

This engine water pump features a robust aluminium housing that provides excellent heat dissipation and resistance to corrosion, critical for maintaining engine cooling efficiency. The cast iron impeller with 8 vanes is designed to optimize coolant circulation through the engine block and radiator. The ball/ball bearing system with a 36mm outside diameter supports smooth and reliable impeller rotation, reducing wear and extending pump life. The included gasket ensures a tight seal between the pump and engine, preventing coolant leaks and maintaining system pressure.

Compatible Vehicles and Applications

The Metelli PA446 water pump is compatible with a range of vehicle makes and models requiring this specific part number. It is commonly used in engine cooling systems where reliable coolant flow and temperature regulation are essential. This water pump is suitable for vehicles that specify the PA446 part number in their maintenance or repair manuals.

• Prevents engine overheating by maintaining coolant circulation
• Eliminates coolant leaks with included gasket
• Reduces bearing wear with high-quality ball/ball bearing design
• Supports engine longevity by ensuring consistent cooling
• Replaces worn or damaged water pumps to restore cooling system function

Installation Notes and Tips

When installing the Metelli PA446 water pump, ensure the gasket surface is clean and free of old sealant or debris to achieve a proper seal. Torque bolts to manufacturer specifications to avoid warping the aluminium housing. It is recommended to inspect the cooling system hoses and thermostat during installation to maintain overall system integrity. Use coolant compatible with your vehicle’s specifications to prevent corrosion and extend pump life.

Quality Assurance and Warranty

The Metelli PA446 water pump is a new, high-quality replacement part manufactured to meet or exceed OEM standards. The use of durable materials such as aluminium for the housing and cast iron for the impeller ensures reliable performance. While specific warranty details are not provided, Metelli products typically come with manufacturer-backed quality assurance to support long-term use in automotive cooling systems.