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Coolant Hoses and Pipes (Rear engine cars)

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DISPLAYING 1 to 15 (of 15 products)
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992121466
Product Information
Product Information
Breather Line For Radiator, RIGHT.
Maintain proper cooling system ventilation and performance with the Breather Line for Radiator, RIGHT. This OEM-quality breather line is designed to vent trapped air and vapor from the right-side radiator circuit, helping ensure efficient coolant circulation and stable engine temperatures.

Fits:
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Targa 4 GTS 3.6L 2024>>  

Diagram Ref No 15

What This Product Does:

  • Releases trapped air from the right-side radiator system
  • Helps prevent air pockets that can restrict coolant flow
  • Supports stable cooling system pressure
  • Maintains consistent engine temperature control
  • Reduces the risk of overheating

Symptoms Of Wear Or Failure:
  • Coolant leaks near the radiator or along the breather line
  • Low coolant warning light
  • Frequent coolant top-offs
  • Sweet coolant smell from the front of the vehicle
  • Coolant residue or staining around fittings or connections
  • Cracked, brittle, or weakened line material
  • Air trapped in the cooling system, causing gurgling sounds
  • Fluctuating engine temperature or inconsistent gauge readings
  • Overheating, especially after coolant service or refilling
  • Steam from under the hood in severe cases

Why Replacement Matters:
  • Replacing a worn radiator breather line is important because it helps the cooling system vent trapped air and maintain proper pressure. Over time, heat and coolant exposure can cause the line to become brittle, cracked, or leak.
  • If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to coolant loss, unstable engine temperatures, and an increased risk of overheating.
  • Installing a new breather line helps prevent leaks, supports proper system bleeding, and ensures reliable engine cooling performance.



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

992121466
992121466

The product you are viewing cross references to these numbers
992121466/1
Product Information
Product Information
Breather Line For Radiator, RIGHT.
Maintain proper cooling system ventilation and performance with the Breather Line for Radiator, RIGHT. This OE MATCH breather line is designed to vent trapped air and vapor from the right-side radiator circuit, helping ensure efficient coolant circulation and stable engine temperatures.

Fits:
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Targa 4 GTS 3.6L 2024>>  

Diagram Ref No 15

What This Product Does:

  • Releases trapped air from the right-side radiator system
  • Helps prevent air pockets that can restrict coolant flow
  • Supports stable cooling system pressure
  • Maintains consistent engine temperature control
  • Reduces the risk of overheating

Symptoms Of Wear Or Failure:
  • Coolant leaks near the radiator or along the breather line
  • Low coolant warning light
  • Frequent coolant top-offs
  • Sweet coolant smell from the front of the vehicle
  • Coolant residue or staining around fittings or connections
  • Cracked, brittle, or weakened line material
  • Air trapped in the cooling system, causing gurgling sounds
  • Fluctuating engine temperature or inconsistent gauge readings
  • Overheating, especially after coolant service or refilling
  • Steam from under the hood in severe cases

Why Replacement Matters:
  • Replacing a worn radiator breather line is important because it helps the cooling system vent trapped air and maintain proper pressure. Over time, heat and coolant exposure can cause the line to become brittle, cracked, or leak.
  • If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to coolant loss, unstable engine temperatures, and an increased risk of overheating.
  • Installing a new breather line helps prevent leaks, supports proper system bleeding, and ensures reliable engine cooling performance.



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

992121466
992121466

The product you are viewing cross references to these numbers
Special Order item
0PB121187
Product Information
Product Information
Distributor for coolant, Complete.

porsche

Fits:
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-19
Porsche 991 Turbo 2014-20
Porsche 992.1 Carrera 2019>>
Porsche 992 Turbo / Turbo S 2020>>

Porsche 987.2 Boxster 2.9L / 3.4L 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 (718) Boxster GTS 4.0L 2017>>
Porsche 982 (718) Boxster Spyder 2019>>

Porsche 987C.2 Cayman 2.9L / 3.4L 2009-12
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4 2016
Porsche 982C (718C) Cayman GTS 4.0L 2017>>
Porsche 982C (718C) Cayman GT4 2019>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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0PB121187
0PB121187
9A110601000
9A110601001
9A110601002

The product you are viewing cross references to these numbers
Special Order item
9921216
Product Information
Product Information

Centre Radiator Coolant Hoses

These coolant hoses are designed for the centre radiator on the Porsche 992 and 992 turbo models. They form part of the high-performance cooling system used in Porsche’s engines, ensuring coolant flows efficiently between the engine and the centre radiator.

Fits:

  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Targa 4 GTS 3.6L 2024>>
  • Porsche 992.2 Turbo 3.6L 2024>>

Diagram Ref No 2 and 3 

High-revving 992 models generate substantial heat, particularly during spirited driving and track use. Proper coolant circulation through the centre radiator helps maintain stable engine temperatures and supports consistent performance under demanding conditions.

What These Coolant Hoses Do

The Porsche 992 cooling system uses multiple radiators mounted at the front of the vehicle to manage engine temperatures. The centre radiator increases the system’s cooling capacity and helps remove excess heat from the coolant.

The hoses perform several important functions:

• Carry coolant to and from the centre radiator
• Maintain proper coolant circulation through the cooling system
• Help regulate engine temperature during high performance driving
• Support efficient heat transfer through the radiator core

Without properly functioning hoses, coolant flow may be restricted, reducing the effectiveness of the cooling system.

Why Coolant Hoses Fail

Cooling hoses operate under extreme conditions and are exposed to heat, pressure and vibration throughout their service life.

Common causes of failure include:

Heat ageing
Continuous temperature cycles can cause rubber hoses to harden, crack or lose flexibility.

Pressure fatigue
Cooling systems operate under pressure, which can weaken hoses over time.

Chemical degradation
Coolant additives and contaminants can gradually break down rubber compounds.

Mechanical wear
Engine movement and vibration may cause stress or abrasion on hose connections.

Symptoms of Failing Coolant Hoses

• Coolant leaks near the front of the vehicle
• Low coolant level warning messages
• Sweet coolant smell around the front bumper area
• Visible cracking or swelling of the hose
• Engine temperature fluctuations during driving

Replacing worn hoses helps maintain proper coolant flow and prevents sudden coolant loss.

Why You May Need to Replace These Hoses

Maintain Cooling System Efficiency
Healthy hoses ensure coolant can circulate freely through the centre radiator and engine.

Prevent Coolant Leaks
Replacing ageing hoses helps maintain the cooling system’s pressure and prevents leaks.

Protect the High-Performance Engine
These engines operate at high temperatures and require a fully functional cooling system.

Avoid Costly Engine Damage
Loss of coolant can lead to overheating and significant mechanical damage if not addressed quickly.



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9921216
992121629A
992121630A

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Special Order item
99212162
Product Information
Product Information
Coolant Hose, Long Feed.

Fits:
Porsche 992.1 Carrera MKI 2019>>2024
Porsche 992.1 Turbo / Turbo S MKI 2020>>
Porsche 992.1 GT3 / RS / ST MKI 2021>>

Diagram Ref No 10

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99212162
99212162
992121623B
992121624B

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99212162
Product Information
Product Information
Coolant Hose, Long Feed.
The OE Match Coolant Hose, Long Feed is a high-quality replacement cooling system component designed to transport coolant between key engine and radiator system components. Manufactured to OE specifications for fit, durability and performance, this long feed hose ensures efficient coolant circulation throughout the vehicle's cooling system, helping maintain stable engine operating temperatures under all driving conditions.  

Fits:
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.1 GT3 RS 4.0L 2022-24  

Diagram Ref No 10

Constructed from premium heat-resistant and coolant-resistant materials, the hose is engineered to withstand continuous exposure to high temperatures, pressure fluctuations, coolant chemicals and engine bay environments. Its precise design provides secure connections and reliable sealing, helping preserve cooling system efficiency and reliability.  

What This Product Does:
  • Transfers coolant between critical cooling system components.
  • Maintains efficient coolant circulation throughout the engine.
  • Helps regulate engine operating temperatures.
  • Supports cooling system pressure management.
  • Provides a secure and leak-resistant coolant pathway.
  • Assists in preventing engine overheating.
  • Supports overall cooling system performance and reliability.
  • Contributes to long-term engine protection.

Symptoms Of Wear Or Failure:
  • Visible coolant leaks around the hose or connection points.
  • Coolant drips beneath the vehicle.
  • Low coolant level warnings.
  • Engine overheating or fluctuating temperature readings.
  • Sweet coolant smell from the engine bay.
  • Cracks, splits or bulges in the hose material.
  • Soft, swollen or brittle hose construction.
  • Coolant residue around hose fittings.
  • Loss of cooling system pressure.

Why Replacement Matters:

  • Coolant hoses operate in demanding conditions and are continuously exposed to heat cycles, coolant pressure, vibration and chemical exposure. Over time, the hose material can harden, crack, swell or weaken, increasing the risk of leaks and cooling system failure.
  • A damaged coolant hose can result in coolant loss, reduced cooling efficiency and engine overheating. If coolant circulation becomes compromised, critical engine components may be exposed to excessive temperatures, potentially leading to costly engine repairs. Even minor leaks can worsen over time and reduce overall vehicle reliability.
  • Replacing a worn or damaged coolant hose restores proper coolant circulation, maintains cooling system pressure and helps protect the engine from overheating-related damage. An OE Match replacement provides factory-style fitment, dependable durability and long service life, ensuring reliable operation of your Porsche cooling system.



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

99212162
99212162
992121623B
992121624B

The product you are viewing cross references to these numbers
Special Order item
99212161
Product Information
Product Information
Coolant Hose, Short Feed.

Fits:
Porsche 992.1 Carrera MKI 2019>>2024
Porsche 992.2 Carrera MKII 2024>>
Porsche 992.1 Turbo / Turbo S MKI 2020>>
Porsche 992.1 GT3 / RS / ST MKI 2021>>

Diagram Ref No 11

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99212161
99212161
992121611A
992121612A

The product you are viewing cross references to these numbers
99212161
Product Information
Product Information
Coolant Hose, Short Feed.
The OE Match Coolant Hose, Short Feed is a high-quality replacement cooling system component designed to transport coolant between critical engine cooling system components. Manufactured to OE specifications for fit, durability and performance, this short feed hose ensures efficient coolant circulation and helps maintain stable engine operating temperatures.  

Fits:
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.1 GT3 RS 4.0L 2022-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Targa 4 GTS 3.6L 2024>>  

Diagram Ref No 11

Constructed from premium heat-resistant and coolant-resistant materials, the hose is engineered to withstand continuous exposure to high temperatures, pressure fluctuations and the demanding conditions found within modern engine bays. Its precise design ensures a secure fit and reliable sealing performance, helping to maintain the integrity of the cooling system.

What This Product Does:

  • Transfers coolant between cooling system components.
  • Maintains efficient coolant circulation throughout the engine.
  • Supports stable engine operating temperatures.
  • Helps regulate cooling system pressure.
  • Provides a secure and leak-resistant coolant pathway.
  • Assists in preventing engine overheating.
  • Contributes to overall cooling system efficiency and reliability.

Symptoms Of Wear Or Failure:
  • Visible coolant leaks around the hose or connections.
  • Coolant drips beneath the vehicle.
  • Low coolant level warnings.
  • Engine overheating or fluctuating temperature readings.
  • Sweet coolant smell from the engine bay.
  • Cracks, splits or bulges in the hose material.
  • Soft, swollen or brittle rubber construction.
  • Coolant residue around hose fittings.
  • Loss of cooling system pressure.

Why Replacement Matters:
  • Coolant hoses operate in demanding conditions and are constantly exposed to heat cycles, coolant pressure, vibration and chemical exposure. Over time, the hose material can harden, crack, swell or weaken, increasing the risk of leaks and cooling system failure.
  • A damaged coolant hose can lead to coolant loss, reduced cooling efficiency and engine overheating. If coolant circulation is compromised, critical engine components may be exposed to excessive temperatures, potentially resulting in costly engine repairs. Even small leaks can worsen over time and negatively affect vehicle reliability.
  • Replacing a worn or damaged coolant hose restores proper coolant circulation, maintains cooling system pressure and helps protect the engine from overheating. An OE Match replacement provides factory-style fitment, dependable durability and long service life, ensuring reliable performance from your Porsche cooling system.



Related reference numbers
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99212161
99212161
992121611A
992121612A

The product you are viewing cross references to these numbers
Special Order item
0PB121437
Product Information
Product Information
Coolant pipe seal. Pipe to Water Pump & Thermostat Housing.

porsche

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 Boxster GTS 4.0 2019>>
Porsche 982 Boxster Spyder 2019>>
Porsche 987C Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4
Porsche 982C Cayman GTS 4.0L 2019>>
Porsche 982C Cayman GT4 2019>>
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-19
Porsche 991 Turbo 2014-20
Porsche 991 GT3 1014>>
Porsche 992.1 Carrera 2020>>
Porsche 992 Turbo 2020>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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0PB121437
9A110621500
0PB121437

The product you are viewing cross references to these numbers
0PB121437/1
Product Information
Product Information
Coolant pipe seal. Pipe to Water Pump & Thermostat Housing.

elring

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 Boxster GTS 4.0 2019>>
Porsche 982 Boxster Spyder 2019>>
Porsche 987C Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4
Porsche 982C Cayman GTS 4.0L 2019>>
Porsche 982C Cayman GT4 2019>>
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-19
Porsche 991 Turbo 2014-20
Porsche 991 GT3 1014>>
Porsche 992.1 Carrera 2020>>
Porsche 992 Turbo 2020>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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0PB121437
9A110621500
0PB121437
273.760

The product you are viewing cross references to these numbers
Special Order item
0PB121054
Product Information
Product Information
Engine coolant filler neck pipe.

porsche

Fits:
Porsche 992.1 Carrera 2019>>
Porsche 992.1 Turbo 2020>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 31

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0PB121054
0PB121054

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Special Order item
0PB121099
Product Information
Product Information
Engine Coolant Inlet Flange Drain Plug.
Sold Each.
x3 Required Per Car.

Fits:
Porsche 981 Boxster 2012>>2016
Porsche 981 Cayman 2014>>2016
Porsche 981 Boxster Spyder 2016>>2016
Porsche 982 Boxster GTS (718) 4.0L 2017>>
Porsche 982 Cayman GTS (718) 4.0L 2017>>
Porsche 982 Boxster Spyder (718) 2019>>
Porsche 987.2 Boxster MKII 2009>>2012
Porsche 987.2 Cayman MKII 2009>>2012
Porsche 991.1 Carrera MKI 2012>>2016
Porsche 991.2 Carrera MKII 2017>>2019
Porsche 991 Turbo / Turbo S / GT2 RS MKI / MKII 2014>>2020
Porsche 992.1 Carrera MKI 2019>>2024
Porsche 992.2 Carrera 2 3.0L MKII 2024>>
Porsche 992.1 Turbo / Turbo S MKI 2020>>
Porsche 997.2 Carrera MKII 2009>>2012
Porsche 997.2 Turbo / GT2 RS MKII 2010>>2013
Porsche 981 Cayman GT4 2016>>2016
Porsche 982 Cayman GT4 (718) 2019>>

Diagram Ref No 16

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0PB121099
0PB121099
9A110654600

The product you are viewing cross references to these numbers
Special Order item
0PB121469B
Product Information
Product Information
Engine Coolant Return Pipe.
x2 Seals Included.

Fits:

Porsche 992.2 Carrera 3.0L MKII 2024>>
Cars With Option Code:
0K0 - Without Alternative Drive System

Porsche 992.1 Turbo / S 3.8L MKI 2020>>

Diagram Ref No 9 (Diagram Ref No 10 Included)



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0PB121469B
0PB121469B

The product you are viewing cross references to these numbers
Special Order item
0PB121131G
Product Information
Product Information
Water coolant connector piece.

porsche

Fits:
Porsche 992.1 Carrera 2019-24


Click 'Zoom in' for large parts diagram.
Diagram ref no 1


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0PB121131G
0PB121131A
0PB121131G
0PB121133A

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0PB121959A
Product Information
Product Information
Water coolant control valve.

porsche

Fits:
Porsche 992.1 Carrera 2019-24
Porsche 992 Turbo 2020-24
Porsche 982 (718) Boxster GTS 4.0L 2017>
Porsche 982 (718) Boxster Spyder 2019>
Porsche 982C (718) Cayman GTS 4.0L 2017>
Porsche 982C (718) Cayman GT4 2019>

Click 'Zoom in' for large parts diagram.
Diagram ref no 12


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0PB121959A
0PB121959A

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DISPLAYING 1 to 15 (of 15 products)
Also found on these pages
About Coolant Hoses and Pipes (Rear engine cars)

High-Quality Coolant Hoses & Pipes for Reliable Engine Cooling and Temperature Control

Coolant hoses and pipes are essential components in the engine’s cooling system, responsible for circulating coolant between the radiator, water pump, thermostat housing and engine block. These hoses must withstand constant temperature fluctuations, pressure changes and exposure to coolant chemicals. A reliable coolant line system ensures stable engine temperatures, prevents overheating and protects internal engine components from heat-related damage.

Whether restoring a classic, repairing leaks or upgrading to more durable materials, replacing old coolant hoses and pipes is critical for maintaining consistent cooling performance.

What Coolant Hoses & Pipes Do

Coolant hoses and pipes perform multiple key functions:

  • Transport coolant throughout the engine cooling circuit
  • Maintain stable engine temperature during all driving conditions
  • Absorb vibration and engine movement to prevent leaks
  • Channel coolant between major components including radiator, heater core and expansion tank
  • Support proper thermostat operation by ensuring consistent flow
  • Prevent overheating during high-load driving or hot climates

Without dependable hoses and pipes, the cooling system cannot maintain correct operating temperatures.

Why Coolant Hoses & Pipes Commonly Fail

Because they are exposed to heat, pressure and chemical corrosion, coolant hoses and pipes naturally degrade over time. Common causes of failure include:

  • Cracking or hardening due to prolonged heat cycling
  • Swelling or soft spots caused by chemical breakdown
  • Corrosion inside metal coolant pipes
  • Leaks from worn hose clamps or fittings
  • Abrasion damage from rubbing against engine components
  • Internal collapse, restricting coolant flow
  • Age-related deterioration in rubber or plastic hoses

Symptoms may include visible coolant leaks, overheating, steam from under the bonnet, fluctuating temperature gauge or a sweet coolant smell.

Why You Should Replace Worn Coolant Hoses & Pipes

Replacing aged or damaged hoses with high-quality, precision-built alternatives designed to match original cooling performance ensures your engine stays safe, efficient and protected from heat-related failure.

Benefits include:

  • Restored coolant flow and stable operating temperatures
  • Reduced risk of overheating and head gasket damage
  • Improved reliability during long-distance or high-performance driving
  • Better pressure resistance and durability with upgraded materials
  • Prevention of sudden coolant loss or breakdowns
  • Longer service life for the entire cooling system

Upgrading to reinforced hoses or corrosion-resistant pipes can also enhance long-term cooling system performance.

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