Metelli PA992 Engine Water Pump

Engine Water Pump for Mercedes-Benz and Sprinter

Metelli PA992 is a new engine water pump built for vehicles that use a 7-rib pulley setup. It features an aluminum housing, metal impeller, and included gasket for a direct replacement on select Mercedes-Benz, Dodge Sprinter, and Jeep applications. The PA992 water pump is a fitment-based solution for cooling system service on models such as the Mercedes-Benz ML350, E350, and Sprinter 2500.

Key Features

• New engine water pump for cooling system repair
• Aluminum housing for corrosion-resistant construction
• Metal impeller with 6 vanes for coolant circulation
• 7-groove pulley included for listed applications
• Ball/ball bearing design with 30 mm bearing outside diameter
• Gasket included for installation on supported vehicles
• Impeller outside diameter: 71.5 mm
• Pulley width: 25 mm

Detailed Description

Metelli PA992 is engineered as an OE-style engine water pump for cooling system replacement on a wide range of diesel and gasoline applications that use a 7-rib pulley. The aluminum housing and metal impeller support durable operation, while the ball/bal bearing construction is designed for smooth rotation under engine load. This part number, PA992, is listed for Mercedes-Benz GL350, ML350, E350, R350, S350, Sprinter 2500, Sprinter 3500, as well as Dodge Sprinter 2500 and Sprinter 3500, and Jeep Grand Cherokee applications in the confirmed fitment data.

This part cross-references Gates 42283 and Airtex AW6155 for the same application.

Common Cooling System Issues

• Coolant leakage from a worn pump seal or housing
• Overheating caused by reduced coolant circulation
• Bearing noise from a failing water pump assembly
• Impeller wear that lowers coolant flow efficiency
• Service replacement for a damaged 7-rib pulley water pump

Installation Notes and Tips

Verify pulley groove count, pulley width, and engine application before installation. This PA992 water pump includes a gasket, and the cooling system should be inspected for contamination, hose condition, and thermostat operation during service. For best results, flush the system and refill with the correct coolant specification after installation. Confirm fitment for the exact year, make, and model before ordering, especially on Mercedes-Benz E320, GL320, ML320, R320, and Sprinter applications.

Quality Assurance

Metelli supplies this water pump as a new replacement component with the listed construction details and application-specific fitment data. The PA992 is built with an aluminum housing, metal impeller, and included gasket to match the requirements of the confirmed vehicle applications.