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- Accessories
- Brakes
- Chassis / Bodywork
- Clothing & Gifts
- Electrical & Relays
- Engine Cooling
- Engine Electrical
- Engine Rebuild Parts
- Engine Tuning
- Exhausts
- Exterior Styling / Spoilers
- Gearbox / Transmission
- Heating / Air Conditioning
- Hydraulics
- Incar / Multimedia
- Interior & Accessories
- Lighting
- Mats & Carpets
- Motorsport and Off-Road
- Parts for Other Cars
- Pedal Cluster
- Rubber Seals
- Seats & Seat Belts
- Service Parts
- Special Offer Parts
- Steering Parts
- Suspension & Axle
- Suspension Upgrades
- Tyres
- Wheel Accessories
- Wheels
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Fits:
Porsche 987.2 Boxster - 2009 to 2012
Porsche 987.2 Cayman - 2009 to 2012
Porsche 981 Boxster - 2012 to 2016
Porsche 981 Cayman - 2013 to 2016
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Click 'Zoom in' for large parts diagram.
Diagram ref no 30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9P1301185A
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Boxster T 718 2.0L PDK (300 Bhp)
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 987.2 Boxster - 2009 to 2012
Porsche 987.2 Cayman - 2009 to 2012
Porsche 981 Boxster - 2012 to 2016
Porsche 981 Cayman - 2013 to 2016
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9G230725500
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Boxster T 718 2.0L PDK (300 Bhp)
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Shop Securely
12 Month Warranty
Worldwide Delivery
Porsche Transmission Coolant Pipes - Essential Gearbox Cooling Flow Components
Porsche transmission coolant pipes carry coolant between the gearbox, coolant control valves, and transmission oil coolers, ensuring consistent temperature regulation under all driving conditions. By maintaining correct coolant flow, these pipes protect transmission oil, seals, and internal components from overheating and premature wear.
Available from Design911, transmission coolant pipes are supplied to OEM specifications, making them suitable for maintenance, repairs, and complete cooling system refurbishments.
What Do Porsche Transmission Coolant Pipes Do?
Transmission coolant pipes form the physical flow network of the gearbox cooling system.
Core Functions:
- Transport coolant to and from the transmission oil cooler
- Maintain stable gearbox operating temperatures
- Support efficient transmission oil cooling
- Prevent thermal stress on internal gearbox components
- Enable correct operation of coolant control and change over valves
Healthy coolant pipes are essential for reliable transmission thermal management.
Why Do Transmission Coolant Pipes Fail?
Transmission coolant pipes are exposed to heat, pressure, vibration, and environmental conditions.
Common Causes of Failure:
- Corrosion in metal pipes from age or coolant degradation
- Cracking or hardening of plastic and rubber sections
- Heat cycling causing material fatigue
- Leaks at pipe joints or O-ring connections
- Physical damage from road debris or incorrect installation
Failure can result in coolant loss, overheating, and transmission damage.
When Should Transmission Coolant Pipes Be Replaced?
Porsche transmission coolant pipes should be inspected and replaced when signs of deterioration appear.
Replacement Indicators:
- Visible coolant leaks or staining
- Cracked, swollen, or brittle pipe sections
- Repeated low coolant warnings
- Overheating or inconsistent transmission temperatures
- During transmission or cooling system servicing
Preventative replacement helps avoid sudden coolant loss and expensive gearbox repairs.
Highlights
- Essential Porsche gearbox cooling system components
- Maintains reliable coolant flow and temperature control
- OEM-spec fitment and durability
- Suitable for road, fast-road, and performance applications
- Helps prevent overheating and premature gearbox wear
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