Water pump & housing. Porsche 987.2 Boxster / 987.2 Cayman / 997.2  ❭  9A110603810

Water Pump with Housing – Complete Cooling System Replacement
Pump comes with gasket

This water pump with integrated housing is designed for Porsche 987.2 Boxster, 987.2 Cayman, and 997.2 models, providing a complete and reliable solution for restoring engine cooling performance. Supplied as a fully assembled unit, this component ensures correct coolant circulation while eliminating potential sealing and alignment issues associated with reusing worn housings.

Fits:

• Porsche Boxster 987 MKII 2.9L 2009-2012
• Porsche Boxster S 987 MKII 3.4L 2009-2012
• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram ref no 1

The water pump plays a vital role in circulating coolant through the engine, radiators and heater circuit, helping maintain stable operating temperatures under all driving conditions. The housing supports the pump and forms part of the sealed cooling circuit, making it essential that both components are in optimal condition for long-term reliability.

What the Water Pump & Housing Do

This combined unit:

• Circulates coolant efficiently throughout the engine and cooling system
• Maintains stable engine operating temperature
• Supports correct cooling system pressure
• Provides secure mounting and sealing via the integrated housing
• Ensures consistent cooling performance during daily and spirited driving

A properly functioning pump and housing are essential to protect the engine from overheating.

Why Water Pumps & Housings Fail

Common causes of failure include:

• Internal bearing wear, leading to noise or pump seizure
• Coolant seal deterioration, causing leaks
• Thermal cycling, weakening the housing over time
• Coolant contamination, accelerating internal wear
• Age and mileage, particularly on performance-driven vehicles

Early warning signs may include coolant leaks, whining noises from the pump area, rising engine temperatures or cooling system warning messages.

Why the Water Pump Should Be Replaced with the Housing

Replacing the pump together with its housing provides:

• Improved sealing reliability compared to reusing an old housing
• Correct alignment and fitment straight out of the box
• Reduced labour time during installation
• Lower risk of repeat leaks or failures
• Peace of mind for long-term cooling system performance

This approach is strongly recommended during cooling system repairs or preventative maintenance.

Related reference numbers
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9A110603810

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