Auxiliary Coolant Pump. Porsche 971.1 / 971.2 Panamera Hybrid 2017-23  ❭  9A7965567

Auxiliary Coolant Pump.
The Genuine Porsche Auxiliary Coolant Pump is an original equipment engine cooling system component designed to provide additional coolant circulation for compatible Porsche models. Manufactured to Porsche's exact specifications for fit, flow rate and durability, this electrically operated auxiliary coolant pump supports the primary cooling system by maintaining coolant flow to critical engine and heating system components, improving thermal management, engine efficiency and passenger comfort.  

Fits:

• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
• Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
• Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23  

Diagram Ref No 17

Manufactured with a precision-engineered electric motor, high-efficiency impeller and durable composite housing, the auxiliary coolant pump is built to withstand continuous exposure to hot coolant, pressure fluctuations, vibration and repeated thermal cycling. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's engine management and cooling systems, delivering factory-correct performance and long-term reliability.  

What This Product Does:

• Circulates coolant independently of the main water pump when required.
• Supports efficient engine temperature regulation.
• Improves coolant flow through the heating and cooling circuits.
• Assists with cabin heater performance.
• Helps cool critical engine and turbocharger components where applicable.
• Supports efficient engine warm-up and thermal management.
• Restores factory cooling system performance.
• Forms an essential part of the engine cooling system.

Symptoms Of Wear Or Failure:

• Engine overheating under certain operating conditions.
• Reduced or inconsistent cabin heating performance.
• Coolant circulation fault codes.
• Illuminated engine management or cooling system warning light.
• Electric pump failing to operate.
• Whining, grinding or unusual noises from the pump.
• Coolant leaks from the pump housing.
• Poor coolant circulation after engine shutdown where applicable.
• Increased engine operating temperatures.
• Visible damage or coolant residue around the pump.

Why Replacement Matters:

• The auxiliary coolant pump operates whenever additional coolant circulation is required, helping to regulate engine temperature, improve heater performance and protect temperature-sensitive components. Over time, the electric motor, impeller or internal seals can wear due to continuous operation, coolant exposure and repeated heat cycles.
• A faulty auxiliary coolant pump can reduce coolant circulation, leading to poor heater performance, increased engine temperatures and reduced cooling efficiency. In some applications, inadequate coolant flow may also affect turbocharger cooling or cause unnecessary strain on other cooling system components.
• Replacing a worn or faulty pump with a Genuine Porsche component restores efficient coolant circulation and ensures the cooling system operates exactly as designed. Manufactured to Porsche's exact engineering standards, the Genuine Auxiliary Coolant Pump provides factory-correct fitment, reliable performance and exceptional durability, helping maintain optimum engine temperature, passenger comfort and the long-term reliability expected from your Porsche.

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