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Porsche > Panamera 970 MK2 (2014-2016) > Engine Cooling > Coolant Hoses and Pipes (Front engine cars) >

Engine Block Hoses

Engine Block Hoses

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Engine coolant hose, Supply. Porsche 970 Panamera - 97010642001
3
Engine coolant hose, Supply. Porsche 970 Panamera
Special Order item
97010642001
Product Information
Product Information
Engine coolant hose, Supply.

porsche

Fits:
Porsche 970 Panamera 2010-16
M >> CWA 001 886
M >> CXP 000 913
M >> CWB 001 356

Please note: Only with combination with water tube adapter 948 106 061 20

Click 'Zoom in' for large parts diagram.
Diagram ref no 29

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97010642001
97010642001

The product you are viewing cross references to these numbers
Engine coolant hose, Supply. Porsche 970 Panamera - 97010642500
3
Engine coolant hose, Supply. Porsche 970 Panamera
Special Order item
97010642500
Product Information
Product Information
Engine coolant hose, Supply.

porsche

Fits:
Porsche 970 Panamera / S / GTS / Turbo 2010-16

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

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97010642500
97010642500

The product you are viewing cross references to these numbers
Engine Coolant Hose, Supply. Porsche 970 Panamera 2010-16 - 97010642500
2
Engine Coolant Hose, Supply. Porsche 970 Panamera 2010-16
97010642500/1
Product Information
Product Information
Engine Coolant Hose, Supply.

The Engine Coolant Hose, Supply is a OE MATCH coolant hose designed to supply pressurised engine coolant through the cooling and heating circuit. This hose helps maintain correct coolant circulation between key cooling components, supporting stable engine operating temperatures and reliable heater performance. It provides precise fitment, durability, and long-term resistance to heat and pressure for Porsche Panamera (970) models.

Fits:

  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16  

Diagram Ref No 31 (Diagram Ref No 17 Included, Diagram Ref No 25 Sold Separately)

What This Product Does:
  • Supplies engine coolant from the engine/water pump area to other cooling components such as the radiator or heater circuit.
  • Helps maintain proper coolant circulation and pressure, which is essential for stable engine temperature control.
  • Supports cabin heating, as hot coolant routed through this hose can be directed to the heater core.
  • Provides a flexible connection that absorbs engine movement, vibration, and thermal expansion without stressing rigid pipes.

Symptoms Of Wear Or Failure:
  • Coolant may leak from the hose itself or around the hose clamp connections, often leaving visible residue or wet patches.A leaking supply hose can cause gradual coolant loss, requiring frequent top-ups.
  • Loss of coolant or restricted flow can lead to rising or fluctuating engine temperatures.
  • A noticeable sweet smell around the engine bay or inside the cabin often indicates a coolant leak.
  • Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, coolant staining on the hose surface.
  • If coolant flow to the heater circuit is compromised, cabin heat may be reduced.
  • Modern Porsche models may display low coolant or overheating warnings when hose failure begins.

Why Replacement Matters:
  • Prevents coolant leaks that cause low coolant levels and loss of system pressure.
  • Helps avoid engine overheating, which can lead to severe and expensive engine damage.
  • Restores proper coolant circulation, ensuring the cooling system works efficiently under all driving conditions.
  • Maintains reliable cabin heating, since the heater core depends on steady coolant flow.
  • Protects surrounding components, as leaking coolant can damage sensors, hoses, wiring, and nearby engine parts.



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

97010642500
97010642500

The product you are viewing cross references to these numbers
Engine coolant overflow hose. Porsche 970 Panamera - 97010631103, 97010631102
2
Engine coolant overflow hose. Porsche 970 Panamera
Special Order item
97010631103
Product Information
Product Information
Engine coolant overflow hose.

Fits:
Porsche 970 Panamera 4.8L 2009-16
Porsche 970 Panamera S 3.6L 2010-16

Diagram ref no 18

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97010631103
97010631103
97010631102

The product you are viewing cross references to these numbers
Engine coolant overflow hose. Porsche 970 Panamera - 97010631103, 97010631102
3
Engine coolant overflow hose. Porsche 970 Panamera
97010631103/1
Product Information
Product Information
Engine coolant overflow hose.

Fits:
Porsche 970 Panamera 4.8L 2009-16
Porsche 970 Panamera S 3.6L 2010-16

Diagram ref no 18

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

97010631103
97010631103
97010631102

The product you are viewing cross references to these numbers
Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera - 94610602660
3
Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera
Special Order item
94610602660
Product Information
Product Information
Engine coolant vent line.

porsche

Fits:
Porsche 958 Cayenne 3.6L 2011-18
Porsche 95B.1 Macan 3.0L / 3.6L  2014-18
Porsche 970.2 Panamera 3.0L 2013-16

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

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

94610602660
94610602660

The product you are viewing cross references to these numbers
Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera 94610602660 - 94610602660
3
Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera 94610602660
94610602660/1
Product Information
Product Information
Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera 94610602660

oematch

Fits:
Porsche 958 Cayenne 3.6L 2011-18
Porsche 95B.1 Macan 3.0L / 3.6L  2014-18
Porsche 970.2 Panamera 3.0L 2013-16

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

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94610602660
94610602660

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Heater Hose Supply On Water Pump. Porsche 970 Panamera 2010-16 - 97057258300
2
Heater Hose Supply On Water Pump. Porsche 970 Panamera 2010-16
97057258300/1
Product Information
Product Information
Heater Hose Supply On Water Pump.

The Heater Hose Supply on Water Pump is a OE MATCH heater hose designed to supply hot engine coolant from the water pump to the heater circuit. This hose plays a key role in the vehicle’s heating system by delivering warmed coolant to the heater core, enabling effective cabin heating. It offers precise fitment, high resistance to heat and pressure, and long-term reliability for Porsche Panamera (970) models.

Fits:

  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
  • Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
  • Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16  

Diagram Ref No 5

What This Product Does:
  • Supplies hot engine coolant from the water pump outlet to the heater core circuit.
  • Enables cabin heating, as the heater core relies on hot coolant to warm the air blown into the interior.
  • Helps maintain proper coolant circulation between the engine cooling system and the HVAC system.
  • Provides a flexible connection that absorbs engine movement, vibration, and thermal expansion.

Symptoms Of Wear Or Failure:
  • Coolant may seep or drip from the hose itself or at the connection points, often leaving pink/white residue.
  • A failing heater supply hose can cause gradual coolant loss, requiring frequent top-ups.
  • If hot coolant isn’t reaching the heater core, the heater may blow lukewarm or cold air, even when the engine is warm.
  • A noticeable sweet smell in the engine bay or inside the cabin often indicates a coolant leak in the heater circuit.
  • Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, wet staining around the hose.
  • Coolant loss from the heater supply hose can contribute to overheating or unstable engine temperatures.
  • Modern Porsche models may display low-coolant or temperature warnings when the hose begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
  • Maintains proper cabin heating, since the heater core depends on a steady supply of hot coolant.
  • Helps avoid engine overheating, as coolant loss from the heater circuit affects overall cooling performance.
  • Restores reliable coolant circulation between the water pump and heater system.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, wiring, and nearby engine parts.



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

97057258300
97057258300

The product you are viewing cross references to these numbers
Heater hose Supply. On water pump. Porsche 970 Panamera - 97057258300
3
Heater hose Supply. On water pump. Porsche 970 Panamera
Special Order item
97057258300
Product Information
Product Information
Heater hose Supply. On water pump.

porsche

Fits:
Porsche 970 Panamera 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

Related reference numbers
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97057258300
97057258300

The product you are viewing cross references to these numbers
Heating Hose, Return. Porsche 970.2 Panamera 3.0L 2013-16 - 97010642160
2
Heating Hose, Return. Porsche 970.2 Panamera 3.0L 2013-16
Special Order item
97010642160
Product Information
Product Information
Heating Hose, Return.

The Heating Hose, Return is a genuine Porsche OEM heater coolant hose designed to return coolant from the heater core back into the engine cooling system. This hose forms a vital part of the HVAC heating circuit, ensuring continuous coolant circulation for consistent cabin heating and stable engine temperature control. Manufactured to Porsche specifications, it provides precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (970) models.

Fits:

  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16  

Diagram Ref No 23 (Diagram Ref No 17 Included)

What This Product Does:

  • Returns heated coolant from the heater core to the engine cooling system.
  • Completes the heater circuit loop, allowing coolant to continuously circulate.
  • Helps maintain stable engine operating temperatures by integrating the heater system into the overall cooling loop.
  • Provides a flexible, heat-resistant connection that accommodates engine movement and thermal expansion without restricting coolant flow.

Symptoms Of Wear Or Failure:
  • Coolant may drip or seep from the hose body or at the connection points, often leaving visible residue.
  • A leaking return hose can cause gradual coolant loss, requiring frequent top-ups.
  • Coolant loss from the heater circuit can reduce overall cooling system efficiency and lead to overheating.
  • If coolant circulation is restricted, the heater core may not function properly, reducing heating performance.
  • A noticeable coolant odor in the engine bay or inside the cabin may indicate a leak in the heater return line.
  • Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, coolant staining or residue buildup.
  • Low coolant or overheating warnings may appear if the hose begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
  • Maintains consistent cabin heating, as proper coolant return flow is required for the heater core to function efficiently.
  • Helps avoid engine overheating, since coolant loss or restricted flow reduces cooling performance.
  • Restores balanced coolant circulation, ensuring stable engine operating temperatures.
  • Protects nearby components, as leaking coolant can damage hoses, wiring, sensors, and engine parts.



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

97010642160
97010642160

The product you are viewing cross references to these numbers
Heating Hose, Return. Porsche 970.2 Panamera 3.0L 2013-16 - 97010642160
2
Heating Hose, Return. Porsche 970.2 Panamera 3.0L 2013-16
97010642160/1
Product Information
Product Information
Heating Hose, Return.

The Heating Hose, Return is a OE MATCH heater coolant hose designed to return coolant from the heater core back into the engine cooling system. This hose forms a vital part of the HVAC heating circuit, ensuring continuous coolant circulation for consistent cabin heating and stable engine temperature control. It provides precise fitment, excellent resistance to heat and pressure, and long-term durability for Porsche Panamera (970) models.

Fits:

  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
  • Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16  

Diagram Ref No 23 (Diagram Ref No 17 Included)

What This Product Does:

  • Returns heated coolant from the heater core to the engine cooling system.
  • Completes the heater circuit loop, allowing coolant to continuously circulate.
  • Helps maintain stable engine operating temperatures by integrating the heater system into the overall cooling loop.
  • Provides a flexible, heat-resistant connection that accommodates engine movement and thermal expansion without restricting coolant flow.

Symptoms Of Wear Or Failure:
  • Coolant may drip or seep from the hose body or at the connection points, often leaving visible residue.
  • A leaking return hose can cause gradual coolant loss, requiring frequent top-ups.
  • Coolant loss from the heater circuit can reduce overall cooling system efficiency and lead to overheating.
  • If coolant circulation is restricted, the heater core may not function properly, reducing heating performance.
  • A noticeable coolant odor in the engine bay or inside the cabin may indicate a leak in the heater return line.
  • Common signs include cracking or splitting, bulging or swelling, hardened or brittle rubber, coolant staining or residue buildup.
  • Low coolant or overheating warnings may appear if the hose begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and loss of system pressure.
  • Maintains consistent cabin heating, as proper coolant return flow is required for the heater core to function efficiently.
  • Helps avoid engine overheating, since coolant loss or restricted flow reduces cooling performance.
  • Restores balanced coolant circulation, ensuring stable engine operating temperatures.
  • Protects nearby components, as leaking coolant can damage hoses, wiring, sensors, and engine parts.



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

97010642160
97010642160

The product you are viewing cross references to these numbers
Heating tube, Supply. Porsche 970 Panamera - 97010641101, 97010641102
2
Heating tube, Supply. Porsche 970 Panamera
Special Order item
97010641102
Product Information
Product Information
Heating tube, Supply.

porsche

Fits:
Porsche 970 Panamera / S / Turbo / GTS 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 30

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

97010641102
97010641101
97010641102

The product you are viewing cross references to these numbers
Hose connector y-piece for Porsche 970 Panamera / 95B Macan - 97010657060, 7PP121237
2
Hose connector y-piece for Porsche 970 Panamera / 95B Macan
7PP121237/1
Product Information
Product Information
Hose connector y-piece.


oematch

Fits:
Porsche 970 Panamera 3.0L 2014-2016 
Porsche 95B Macan V6 Petrol 2014-2018
Porsche 95B.2 Macan 2019*



Related reference numbers
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7PP121237
97010657060
7PP121237

The product you are viewing cross references to these numbers
O-Ring, 19.6 X 3.53N. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18 - 99970182541, 99970182540
2
O-Ring, 19.6 X 3.53N. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18
Special Order item
99970182541
Product Information
Product Information

O-Ring, 19.6 X 3.53N.
The O-Ring 19.6 x 3.53N is a genuine Porsche OEM sealing ring designed to create a tight, leak-free seal between coolant pipe connections and related engine cooling system components. Manufactured to precise dimensions, this O-ring fits into the mating groove of the pipe joint to prevent coolant loss and maintain correct system pressure. It is an essential replacement seal used on various Porsche coolant and inlet pipe applications.

Fits:

  • Porsche 957 Cayenne S/GTS 4.8L 2007-10
  • Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
  • Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16 

Diagram Ref No 2

What This Product Does:

  • Seals coolant pipe joints to prevent coolant leaks between connected pipes and fittings.
  • Maintains correct cooling system pressure, which is essential for efficient engine temperature control.
  • Creates a tight seal between metal components by compressing inside a groove when the pipe connection is tightened.

Symptoms Of Wear Or Failure:

  • Coolant may seep or drip from the joint where the O-ring seals the connection.
  • A worn O-ring can cause slow coolant loss, leading to frequent topping up.
  • Loss of coolant or system pressure can reduce cooling efficiency and contribute to overheating.
  • A leaking O-ring often produces a noticeable coolant smell near the engine bay.
  • The O-ring may show cracking, flattening (loss of shape), swelling, hardening or brittleness
  • Modern Porsche models may trigger low coolant warnings if leakage occurs.

Why Replacement Matters:

  • Prevents coolant leaks at pipe connections, avoiding coolant loss and contamination.
  • Maintains correct system pressure, which is essential for efficient engine cooling performance.
  • Helps prevent engine overheating, since even a small leak can lead to low coolant levels and temperature rise.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, connectors, and nearby engine parts.
  • Ensures reliable long-term sealing, since old O-rings harden and flatten over time due to heat and pressure cycles.



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

99970182541
99970182541
99970182540

The product you are viewing cross references to these numbers
Vent Hose. Porsche 970 Panamera 3.6L / 4.8L 2010-16 - 97010642202
2
Vent Hose. Porsche 970 Panamera 3.6L / 4.8L 2010-16
Special Order item
97010642202
Product Information
Product Information
Vent Hose.

The Vent Hose is a genuine Porsche OEM coolant vent/overflow hose designed to route coolant vapours and excess pressure within the engine cooling system. This hose helps maintain proper cooling system balance by directing overflow coolant and vented pressure to the coolant reservoir, supporting stable engine temperatures and reliable cooling performance. Manufactured to Porsche specifications, it provides precise fitment, durability, and long-term resistance to heat and coolant exposure for Porsche Panamera (970) models.

Fits:

  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16  

Diagram Ref No 19 (Diagram Ref No 20 Included)

What This Product Does:

  • Vents excess pressure from the cooling system during temperature changes.
  • Routes coolant vapours or overflow safely to the coolant expansion/reservoir tank.
  • Helps maintain correct system pressure, which is essential for stable engine cooling.
  • Prevents coolant from escaping into the engine bay, helping keep the cooling system sealed and efficient.

Symptoms Of Wear Or Failure:
  • Coolant may seep from cracks or connection points, leaving dried residue around the hose or nearby components.
  • A leaking vent hose can cause gradual coolant loss, leading to frequent top-ups.
  • If the vent hose cannot manage pressure correctly, the cooling system may not regulate pressure as designed.
  • A noticeable coolant smell in the engine bay or near the rear of the vehicle often indicates a leak.
  • Common signs include cracking or splitting, brittle or hardened rubber, loose or deformed hose ends, wet staining or discoloration.
  • Low coolant or pressure-related issues may trigger warning messages on the dashboard.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and cooling system pressure loss.
  • Maintains correct cooling system venting, allowing pressure to stabilise during heat expansion and cooling cycles.
  • Helps avoid overheating, since coolant loss or pressure imbalance can reduce cooling efficiency.
  • Protects surrounding components, as leaking coolant can damage hoses, wiring, sensors, and engine bay parts.
  • Restores reliable cooling system operation, ensuring overflow coolant is routed correctly back to the reservoir.



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

97010642202
97010642202

The product you are viewing cross references to these numbers
Vent Hose. Porsche 970 Panamera 3.6L / 4.8L 2010-16 - 97010642202
2
Vent Hose. Porsche 970 Panamera 3.6L / 4.8L 2010-16
97010642202/1
Product Information
Product Information
Vent Hose.

The Vent Hose is a OE MATCH coolant vent/overflow hose designed to route coolant vapours and excess pressure within the engine cooling system. This hose helps maintain proper cooling system balance by directing overflow coolant and vented pressure to the coolant reservoir, supporting stable engine temperatures and reliable cooling performance. It provides precise fitment, durability, and long-term resistance to heat and coolant exposure for Porsche Panamera (970) models.

Fits:

  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16  

Diagram Ref No 19 (Diagram Ref No 20 Sold Separately)

What This Product Does:

  • Vents excess pressure from the cooling system during temperature changes.
  • Routes coolant vapours or overflow safely to the coolant expansion/reservoir tank.
  • Helps maintain correct system pressure, which is essential for stable engine cooling.
  • Prevents coolant from escaping into the engine bay, helping keep the cooling system sealed and efficient.

Symptoms Of Wear Or Failure:
  • Coolant may seep from cracks or connection points, leaving dried residue around the hose or nearby components.
  • A leaking vent hose can cause gradual coolant loss, leading to frequent top-ups.
  • If the vent hose cannot manage pressure correctly, the cooling system may not regulate pressure as designed.
  • A noticeable coolant smell in the engine bay or near the rear of the vehicle often indicates a leak.
  • Common signs include cracking or splitting, brittle or hardened rubber, loose or deformed hose ends, wet staining or discoloration.
  • Low coolant or pressure-related issues may trigger warning messages on the dashboard.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and cooling system pressure loss.
  • Maintains correct cooling system venting, allowing pressure to stabilise during heat expansion and cooling cycles.
  • Helps avoid overheating, since coolant loss or pressure imbalance can reduce cooling efficiency.
  • Protects surrounding components, as leaking coolant can damage hoses, wiring, sensors, and engine bay parts.
  • Restores reliable cooling system operation, ensuring overflow coolant is routed correctly back to the reservoir.



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

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About Engine Block Hoses

Engine Block Coolant Hoses – Front Engine Porsche Models | Reliable Cooling for Peak Performance

Engine block coolant hoses are critical to maintaining stable engine temperatures and preventing overheating in your Porsche’s front-engine cooling system. These hoses circulate coolant between the engine block, radiator, and heater core, ensuring consistent temperature regulation and efficient heat dissipation — essential for performance, reliability, and longevity.

At Design911, we supply a complete selection of genuine and manufacturer-quality engine block coolant hoses for front-engine Porsche models, including the transaxle models, Cayenne, Panamera, and Macan. Each hose is precisely engineered for a perfect fit and superior heat resistance, offering the same durability, flexibility, and performance as factory-installed components.

What Do Engine Block Coolant Hoses Do?

Coolant hoses in the engine block are responsible for transferring coolant throughout the engine’s cooling circuit. Their main functions include:

  • Carrying coolant between the radiator, water pump, and engine block.
  • Regulating engine temperature for efficient performance.
  • Maintaining system pressure within the cooling system.
  • Preventing heat build-up that can lead to overheating or gasket failure.

Properly functioning coolant hoses are essential for ensuring your Porsche’s front-mounted engine operates within optimal temperature ranges — especially during heavy use or long drives.

Why Do Engine Block Coolant Hoses Fail?

Due to constant exposure to heat, pressure, and coolant chemicals, these hoses naturally degrade over time. Common causes of failure include:

  • Heat damage from prolonged exposure to high engine temperatures.
  • Rubber deterioration or cracking from age and coolant corrosion.
  • Leaks at joints or clamps due to pressure fluctuations.
  • Swelling or soft spots from internal chemical breakdown.
  • Mechanical abrasion from contact with nearby components.

Symptoms of failing hoses include visible coolant leaks, overheating, low coolant levels, or a strong coolant smell from the engine bay.

Why Replace Faulty Engine Block Coolant Hoses?

A leaking or weakened hose can cause serious cooling system failures, including overheating and engine damage. Replacing old or brittle hoses ensures reliable coolant circulation and safeguards your Porsche’s engine performance.

Benefits of replacement include:

  • Restored cooling efficiency and pressure control.
  • Prevention of leaks and overheating.
  • Improved long-term reliability and system safety.
  • Manufacturer-quality materials for perfect fit and heat resistance.

All replacement hoses in this range are constructed using reinforced, high-grade rubber compounds that meet or exceed factory standards, ensuring durability and dependability in all driving conditions.

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