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Porsche > 991 (911) MK1 2012-2016 > 991.1 R 4.0L (500 Bhp) 2016 > Gearbox / Transmission >

Transmission Cooling

Transmission Cooling

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Regulating valve water cooling. Porsche 981 / 718 / 997.2 / 991 - 9P1317233, 99130757300
4
Regulating valve water cooling. Porsche 981 / 718 / 997.2 / 991
Special Order item
9P1317233
Product Information
Product Information
Regulating valve water cooling. 

porsche

Fits:
Porsche 981 Boxster - 2012 to 2016
Porsche 981 Cayman - 2013 to 2016
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Porsche 997.2 - 2009 to 2012
Porsche 991 - 2012 to 2019

Click 'Zoom in' for large parts diagram.
Diagram ref no 4


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1317233
9P1317233
99130757300

The product you are viewing cross references to these numbers
Regulating Valve Water Cooling. Porsche 981 / 718 / 997.2 / 991 - 9P1317233, 99130757300 - 173433
3
Regulating Valve Water Cooling. Porsche 981 / 718 / 997.2 / 991
9P1317233/1
Product Information
Product Information
Regulating Valve Water Cooling.
This Regulating Valve Water Cooling is a OE MATCH Porsche component designed to control and regulate coolant flow within the engine’s water cooling system. Acting as a precision valve within the cooling circuit, it ensures that coolant is directed appropriately to maintain optimal engine operating temperatures under varying conditions.

Fits:
  • 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 Manual (300 Bhp) 2017>>
  • Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
  • Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
  • Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
  • Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
  • Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
  • Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII GT3 2010-11
  • Porsche 997 MKII Turbo 2010-13
  • Porsche 997 MKII GT2 RS 2011-13
  • Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
  • Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
  • Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
  • Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
  • Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
  • Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
  • Porsche 991.1 R 4.0L (500 Bhp) 2016
  • Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
  • Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • 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
  • Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Speedster 4.0L (510Bhp) 2019
  • Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
  • Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
  • Porsche Cayman 2.7L 981 2013-16
  • Porsche Cayman S / GTS 3.4L 981 2013-16
  • Porsche Cayman GT4 3.8L 2015-16
  • Porsche Cayman 718 2.0L Manual (300 Bhp)
  • Porsche Cayman 718 2.0L PDK (300 Bhp)
  • Porsche Cayman S 718 2.5L Manual (350 Bhp)
  • Porsche Cayman S 718 2.5L PDK (350 Bhp)
  • Porsche Cayman T 718 2.0L Manual (300 Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L  

Diagram Ref No 4

What This Product Does:
  • Regulates coolant flow within the engine cooling system
  • Maintains optimal engine temperature under all driving conditions
  • Directs coolant to different circuits as required
  • Supports efficient engine warm-up and cooling
  • Works with thermostats and other cooling components to balance system performance     


Symptoms Of Wear Or Failure:

  • Engine overheating or temperature fluctuations
  • Engine running too cool (inefficient operation)
  • Coolant leaks around the valve housing
  • Poor heater performance or inconsistent cabin temperature
  • Check engine light related to cooling system faults
  • Reduced engine efficiency due to improper temperature control  

Why Replacement Matters:
  • Restores proper coolant flow and temperature control
  • Prevents overheating and potential engine damage
  • Ensures optimal engine efficiency and fuel economy
  • Protects cooling system components from excessive stress
  • Maintains reliable operation of both engine and heating systems  



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1317233
9P1317233
99130757300

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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About Transmission Cooling

Porsche Transmission Cooling - Protect Gearbox Performance & Longevity

Porsche transmission cooling components are designed to regulate gearbox temperatures under load, helping maintain optimal oil viscosity, smooth shifting, and long-term transmission reliability. By dissipating excess heat generated during high-speed driving, towing, or track use, transmission coolers and associated components protect critical internal parts from premature wear and failure.

Available from Design911, Porsche transmission cooling solutions are ideal for both preventative maintenance and performance-focused upgrades, ensuring your gearbox operates within safe temperature limits.

What Do Porsche Transmission Cooling Components Do?

Transmission cooling systems manage heat build-up within the gearbox and transmission oil.

Core Functions:

  • Reduce gearbox and transmission oil temperatures
  • Maintain consistent lubrication under load
  • Prevent thermal breakdown of transmission fluid
  • Support smooth shifting and drivetrain efficiency
  • Protect internal gears, bearings, and seals

Effective transmission cooling is essential for sustained performance and durability.

Why Do Transmission Cooling Components Fail?

Transmission cooling components are exposed to heat, pressure, and environmental factors that can cause wear over time.

Common Causes of Failure:

  • Blocked or restricted cooling lines
  • Degraded hoses or seals due to heat cycling
  • Oil cooler contamination or internal blockage
  • Physical damage from road debris
  • Increased thermal load from performance driving

When cooling efficiency drops, transmission temperatures rise, accelerating internal wear.

When Should Transmission Cooling Components Be Replaced?

Porsche transmission cooling parts should be inspected or replaced if any of the following occur:

  • Rising transmission temperatures or warning messages
  • Transmission fluid leaks around cooler lines
  • Burnt or degraded gearbox oil
  • Poor shifting performance under load
  • During gearbox servicing or performance upgrades

Replacing worn cooling components early helps prevent costly gearbox repairs.

Highlights

  • Essential Porsche gearbox cooling components
  • Helps control transmission oil temperatures
  • Protects internal gearbox parts from heat damage
  • Suitable for road, fast-road, and track use
  • OEM-spec and performance-focused solutions       

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