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Porsche // 991 (911) MK2 2016-2019 // 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
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Expansion Tank, Twin Outlet Pipe Type. Porsche 944 Turbo - 95110602502
95110602502/1
Vehicle Group
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Expansion Tank, Twin Outlet Pipe Type.
Diagram Ref No 20
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95110602502
The product you are viewing cross references to these numbers
This Expansion Tank, Twin Outlet Pipe Type is a OE MATCH Porsche 944 Turbo cooling system component designed to regulate coolant expansion and maintain optimal pressure within the engine’s cooling system. Featuring a twin outlet pipe design, this expansion tank ensures efficient coolant flow and proper distribution throughout the system.
Fits:
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Diagram Ref No 20
What This Product Does:
- Manages coolant expansion and contraction as temperatures change
- Maintains correct system pressure for efficient cooling
- Stores excess coolant and returns it to the system when needed
- Supports proper coolant circulation through twin outlet connections
- Prevents overheating by stabilising the cooling system
Symptoms Of Wear Or Failure:
- Coolant leaks or visible cracks in the tank
- Low coolant warning light or frequent coolant top-ups
- Engine overheating Coolant smell from the engine bay
- Discoloured or brittle plastic due to age and heat exposure
- Pressure loss leading to inefficient cooling
Why Replacement Matters:
- Prevents coolant loss and overheating
- Maintains proper cooling system pressure
- Protects the engine from heat-related damage
- Ensures reliable coolant circulation
- Avoids costly repairs caused by cooling system failure
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95110602502
95110602502
95110602501
95110602500
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Price: £397.18
Orderable
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Information
Coolant / Antifreeze 1Ltr Top-up Bottle - Long Life 5 Year Red
Anti Freeze, please check your vehicle handbook for applications
Mix 50/50 with distilled water for best results.
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Anti Freeze, please check your vehicle handbook for applications
Mix 50/50 with distilled water for best results.
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Vehicle Group
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Information
Water reservoir bleeder valve.
Fits:
Porsche 95B.1 Macan S 3.0L / Turbo 3.6L 2014 - 2019
Porsche 970 Panamera / S / GTS / TURBO / HYBRID 2010 - 2016
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Porsche 958 Cayenne 4.8L V8 2011 - 2018
Diagram ref no 3
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Porsche 970 Panamera / S / GTS / TURBO / HYBRID 2010 - 2016
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Porsche 981C Cayman 2014 - 2016
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Porsche 991.2 2017 - 2019 All models
Porsche 992.1 2019 - 2024 All models
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Porsche 958 Cayenne 4.8L V8 2011 - 2018
Diagram ref no 3
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Vehicle Group
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- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
Information
Water Tank Reservoir.
Fits:
Porsche 991 2011>>
This part number supersedes following numbers:
- 99110615703
- 99110615704
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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Fits:
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This part number supersedes following numbers:
- 99110615703
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Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
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- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
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- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
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- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
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- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
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- Porsche Cayman GT4 3.8L 2015-16
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Information
Coolant Bottle Level Sensor
Restore reliable coolant level monitoring with this OE Match
Coolant Bottle Level Sensor. The coolant level sensor monitors the amount of coolant
within the expansion tank and allows the vehicle's warning system to alert the
driver if the coolant level falls too low.
Fits:
- Porsche 981 Boxster 2012-16
- Porsche 718 (982) Boxster 2017>>
- Porsche 981 Cayman 2012-16
- Porsche 718 (982) Cayman 2017>>
- Porsche 991.1 2012-16
- Porsche 991.2 2017>>
- Porsche 970 Panamera 2010-16
Diagram ref no 12
A faulty sensor can cause incorrect low-coolant warnings or may fail to report a genuine drop in coolant level. Replacing a defective sensor restores an important part of the cooling system's monitoring and warning function.
What Does the Coolant Bottle Level Sensor Do?
The coolant level sensor is fitted to the coolant expansion tank, also commonly referred to as the coolant bottle or reservoir.
Its job is to monitor whether the coolant is at the required level. If the level falls below the specified point, the sensor communicates this to the vehicle's electronics so a warning can be displayed to the driver.
A correctly functioning coolant level sensor helps:
- Monitor coolant level within the expansion tank
- Alert the driver when coolant becomes too low
- Provide early warning of coolant loss
- Reduce the risk of driving with insufficient coolant
- Support correct operation of the cooling system warning functions
The sensor does not measure engine temperature and does not control coolant flow. Its purpose is specifically to monitor coolant level.
Why Is Coolant Level Monitoring Important?
The engine cooling system relies on having the correct quantity of coolant circulating through the engine, radiators and associated components.
A falling coolant level can indicate a leak or another cooling system problem. If coolant loss continues unnoticed, the cooling system may become unable to control engine temperature effectively.
The coolant level sensor therefore provides an important early warning, allowing the cooling system to be inspected before a low coolant condition develops into a more serious problem.
Why Do Coolant Level Sensors Fail?
Coolant level sensors operate in a demanding environment and can deteriorate with age and repeated heating and cooling cycles.
Common causes of failure include:
- Age-related electrical deterioration
- Repeated temperature cycling
- Internal sensor failure
- Coolant contamination or deposits
- Corrosion at electrical connections
- Damaged wiring or connectors
- Damage during expansion tank removal or replacement
A problem with the expansion tank, wiring or electrical connector can produce similar symptoms, so these components should also be inspected before replacing the sensor.
When Should the Coolant Level Sensor Be Replaced?
Replacement should be considered if:
- A low coolant warning remains on despite the coolant being at the correct level
- Low coolant warnings appear intermittently without an actual loss of coolant
- The sensor fails diagnostic testing
- The sensor or electrical connection is physically damaged
- Corrosion is present around the connection
- The sensor has been damaged during cooling system maintenance
- The coolant expansion tank is being replaced and the existing sensor is no longer serviceable
If the vehicle displays a low coolant warning, the actual coolant level should always be checked first. A warning should not automatically be assumed to be caused by a faulty sensor.
Important Cooling System Checks
If the coolant level is genuinely low, the cause should be investigated rather than simply topping up the expansion tank.
Potential coolant loss can occur from components such as hoses, expansion tanks, radiators, water pumps, seals and other cooling system connections.
Replacing the level sensor is appropriate when the sensor itself has been identified as faulty.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97060650300
970 606 503 00
97060650300
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Price: £8.00
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