Pierburg 7.31081.02.0 Engine Water Pump

Pierburg Engine Water Pump for Porsche 911 and Boxster

The Pierburg 7.31081.02.0 engine water pump is a mechanical cooling system component built for select Porsche applications. It features a 30 mm diameter, one connector, and includes a seal for service-ready replacement on covered vehicles.

Key Features

• Brand: Pierburg
• Part number: 7.31081.02.0
• Engine water pump for the belts and cooling system
• Mechanical operating mode
• 30 mm diameter
• Single connector design
• Supplied with seal

Detailed Description

This Pierburg water pump is a direct-fit cooling system replacement for Porsche 911 and Porsche Boxster models listed below. It is built as a mechanical pump, making it suitable for engines that rely on belt-driven coolant circulation to maintain stable operating temperatures. The included seal supports a proper service installation when replacing a worn or leaking pump. This part number 7.31081.02.0 cross-references Graf PA1081 and Continental 66701 for the same application.

Compatible With Porsche 911 models from 1999-2004, and 2005 Porsche 911 vehicles with OE numbers 99610601151, 99610601153, 99610601154, 99610601155, 99610601156, or 99610601157. It also fits 1997-2004 Porsche Boxster models. The Pierburg 7.31081.02.0 is a practical replacement choice when servicing the cooling circuit on these Porsche applications.

What It Helps Address

• Coolant leakage from a worn water pump seal or housing
• Reduced coolant circulation caused by pump wear
• Engine temperature instability from a failing mechanical pump
• Noise or rough operation from an aging cooling system component
• Cooling system service needs on Porsche 911 and Boxster models

Installation Notes and Tips

Verify OE number match before installation, especially on 2005 Porsche 911 applications. Inspect the mating surfaces, coolant passages, and drive components during service. Replace coolant according to the vehicle manufacturer’s procedure after installation, and confirm there are no leaks once the system is filled and bled.

Quality Assurance

Pierburg is an established OE-focused brand in engine management and cooling components. This water pump is specified with a mechanical operating mode and supplied with a seal to support a proper replacement on the listed Porsche fitments.