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Porsche > 991 (911) MK2 2016-2019 > 991.2 Targa 4S 3.0L (420 Bhp) 2016-19 > Engine Cooling > Water / Coolant Pumps >

Water pump. Porsche Boxster 986 / 996 C2 / 996 C4 (non Turbo) ❭ 99610601157

Water pump. Porsche Boxster 986 / 996 C2 / 996 C4 (non Turbo) - 99610601155, 996.106.11.55, 99610601156, 99610601157, 99610601151, 99610601153, 99610601154

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Product Information

Replacement water pump comes with a gasket and METAL impeller.
The water pump product code 996 106 011 57, is also known as a coolant water pump supplied with gasket, ensuring seal integrity. Porsche specialist typically recommended this is checked or replaced every 60,000 miles or 4–5 years, whichever comes first, as part of routine maintenance to prevent sudden failure. It’s best practice to replace the thermostat, gaskets, and serpentine belt at the same time for a comprehensive cooling system refresh. Our kits bundle all these components.

Fits:
Porsche 996 Carrera C2/C4 (1997–2001 3.4L; 2002–2005 3.6L)
Porsche Boxster 986 (all models, 2.5L, 2.7L , 3.2S, 1997–2004)

Common issues & symptoms:

• Overheating & Rapid Deterioration: If the pump fully fails, coolant circulation stops, leading to overheating—which can cause serious engine damage.
•   Strange Noises: Squealing, creaking, or grinding noises can indicate bearing failure or internal damage within the pump.
•   Coolant Leaks: A failing or worn water pump may begin leaking coolant, often noticeable as puddles beneath the rear of the vehicle or in the engine bay.
•   Accessory Belt Problems: A failed pump can throw off the serpentine drive belt, potentially causing accessory drive issues.
•   Maintenance Insights Proactive Replacement: Given the catastrophic failure risk and potentially swift progression from minor to major leaks, many enthusiasts and mechanics recommend replacing the water pump pre-emptively at the 60,000-mile interval.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610601157

99610601155

996.106.11.55

99610601156

99610601157

99610601151

99610601153

99610601154

The product you are viewing cross references to these numbers