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Thermostat / Temperature Sensor
By OE Match
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Water pump & thermostat insert kit for Porsche Cayenne 9PA1 (957) 4.5L models, combining key cooling components in one package to support correct fit and temperature control.
What This Product Does This kit groups a replacement water pump with a thermostat insert and sealing components so the main cooling and temperature-control parts can be renewed together. Servicing these items at the same time helps maintain stable engine temperature and consistent coolant circulation.
Functions
- Circulates coolant through the engine and radiator via the water pump
- Controls coolant flow with the thermostat to regulate operating temperature
- Allows combined renewal of related cooling components in one job
- Helps reduce the risk of leaks from aged housings and seals
- Supports reliable warm-up and stable running temperature
Symptoms of Fault
- Coolant leaks or dried residue around the water pump or thermostat area
- Rising or fluctuating temperature gauge, especially under load
- Coolant smell after driving or visible puddles under the front of the vehicle
- Whining or grinding noises from the pump/belt area
- Repeated low coolant warnings or intermittent overheating
- Poor cabin heat or slow warm-up linked to thermostat issues
Why Replacement Matters
Age, mileage and heat cycles can cause water pump bearings, seals, housings and thermostat mechanisms to wear. This may show as leaks, noise, unstable temperature or warning messages. Replacing the pump and thermostat insert together reduces duplicate labour, helps restore dependable coolant circulation and temperature control, and lowers the risk of overheating-related engine damage, particularly on higher-mileage Cayenne V8 models.
Fits
- Porsche 957 Cayenne S/GTS 4.8L 2007–10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.957.1.OEM1
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 957 MKII Cayenne S 4.8L 2008-10
Porsche 957 MKII Cayenne GTS 4.8L 2008-10
Porsche 957 MKII Cayenne TURBO 4.8L 2008-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 6.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810612501
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 957 MKII Cayenne S 4.8L 2008-10
Porsche 957 MKII Cayenne GTS 4.8L 2008-10
Porsche 957 MKII Cayenne TURBO 4.8L 2008-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 7.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810610103
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 997.12 Carrera 2009-12
Porsche 957 Cayenne S/GTS/Turbo 2007-10
Click 'Zoom in' for large parts diagram.
Diagram Ref No 9.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760642000
The product you are viewing cross references to these numbers
OEMatch Thermostat / Temperature Sensor — Fit, Function, Confidence
Engine thermostats and temperature sensors control coolant flow and send temperature data to the engine control unit, helping to maintain correct operating temperature for Porsche models. Proper function supports warm-up, emissions control and cabin heating, and reduces the risk of avoidable engine stress. OEMatch focuses on Thermostat / Temperature Sensor-related items selected for Porsche applications.
Available Types
- Fixed-opening and temperature-controlled thermostats
- Coolant temperature sensors and senders (engine and radiator)
- Thermostat housings and integrated sender assemblies
Understanding OEMatch Thermostat / Temperature Sensor
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original thermostat / temperature sensor. OE (Original Equipment) refers to parts matching original specifications for the thermostat / temperature sensor and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM thermostat / temperature sensor engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. A thermostat opens at a specified temperature to allow coolant to circulate through the radiator, while temperature sensors measure coolant or cylinder head temperature and inform fan control, fuel mixture and emissions strategies. Both components work together to keep the engine within its designed operating window and to support reliable vehicle operation.
Benefits Include
- Stable engine operating temperature and predictable warm-up
- Accurate temperature input for ECU control and cooling fans
- Consistent cabin heating and support for emissions systems
Why Thermostat / Temperature Sensor Wear and Fail
- Thermostat valve sticking or corrosion caused by debris and old coolant
- Sensor degradation from prolonged heat exposure and contaminated coolant
- Electrical faults, corroded connectors or damaged wiring affecting readings
The Importance of Replacing with OEMatch Thermostat / Temperature Sensor
Replacing worn or faulty thermostats and sensors restores reliable temperature control and helps prevent overheating, long warm-up times and poor fuel economy. Correctly matched replacements reduce the chance of installation issues and support consistent ECU behaviour, heater performance and long-term engine condition across Porsche model ranges.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Components selected for compatibility with factory cooling circuits and mounting points
- Cost-effective alternatives that preserve fit and function for Porsche applications
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
