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Auxiliary coolant pump
By OE Match
- 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
The OE MATCH Auxiliary Coolant Pump is a engine cooling system component designed to provide additional coolant circulation for compatible Porsche models. 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
The auxiliary coolant pump is built to withstand continuous exposure to hot coolant, pressure fluctuations, vibration and repeated thermal cycling. Designed as a replacement, it integrates seamlessly with the vehicle's engine management and cooling systems, delivering 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.
- 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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A7965567
The product you are viewing cross references to these numbers
OEMatch Auxiliary coolant pump — Durability, Sealing, Performance
Auxiliary coolant pumps support thermal management on Porsche models by maintaining coolant flow when the main pump is inactive and by aiding turbo and heater core circulation during cooldown and idle periods. Many owners search for genuine or OEM auxiliary coolant pumps; these are direct-fit alternatives designed to match the original form, fit and function.
Available Types- Single-unit electric auxiliary pumps for heater and turbo cooling circuits
- Complete pump assemblies with mounting bracket and sealing kit
- Replacement pump motors, impellers and service parts where available
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original auxiliary coolant pump.
OE (Original Equipment) refers to parts matching original specifications for the auxiliary coolant pump and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM auxiliary coolant pump engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The auxiliary pump circulates coolant through the heater core and selected cooling circuits independently of the main water pump. It is particularly important during low-speed running, extended idling and immediately after engine shut-down to protect turbochargers and to maintain cabin heating. A functioning auxiliary pump helps preserve temperature balance across heat-sensitive components and supports efficient climate control.
Benefits Include- Improved heater response and stable cabin temperature control
- Assists turbocharger cooling during post-run cooldown periods
- Reduces thermal stress on engine components at idle and low speeds
- Electrical motor failure from heat exposure or prolonged duty cycles
- Corrosion and contamination inside the coolant circuit causing impeller seizure
- Worn seals, cracked housings or degraded connectors leading to leaks
Replacing a worn or failed auxiliary pump restores reliable coolant circulation for both engine and cabin circuits on Porsche vehicles. Timely replacement reduces the risk of overheating at idle, protects turbocharger components from heat soak and preserves heater performance. When fitting a new pump, inspect hoses, connectors and coolant condition to ensure a durable repair.
Advantages- Units selected for long-term resistance to heat and coolant chemistry
- Options that match common mounting and electrical connections for Porsche applications
- Spare parts and assemblies intended to simplify routine maintenance and repair
