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Porsche > Panamera 970 MK2 (2014-2016) > 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16 > Engine Cooling > Coolant Hoses and Pipes >

Engine Block Hoses

Engine Block Hoses

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DISPLAYING 33 to 42 (of 42 products)
1 2 3
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
Special Offer
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
Related, superseded, cross reference or alternative numbers for comparison.

7PP121237
97010657060
7PP121237

The product you are viewing cross references to these numbers
Vent Hose. Porsche 970.2 Panamera 3.0L 2013-16 - 97010642260
2
Vent Hose. Porsche 970.2 Panamera 3.0L 2013-16
Special Order item
97010642260
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 connector hose helps maintain correct cooling system balance by directing overflow coolant back to the reservoir, supporting stable coolant circulation and consistent engine temperature control. 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 970.2 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 19 (Diagram Ref No 20 And 21 Included)

What This Product Does:

  • Routes coolant vapours and excess coolant back toward the coolant expansion/reservoir tank.
  • Helps maintain proper cooling system pressure balance during engine heating and cooling cycles.
  • Supports stable coolant circulation, helping prevent air pockets and pressure build-up.
  • Keeps the cooling system operating as a sealed, controlled loop to protect against coolant loss.

Symptoms Of Wear Or Failure:
  • Coolant may seep from cracks or loose connections, leaving dried residue or wet staining around the hose.
  • A leaking vent hose can cause gradual coolant loss, requiring frequent top-ups.
  • Improper venting may cause unstable system pressure, contributing to overheating or erratic temperature readings.
  • A noticeable coolant smell in the engine bay often indicates leakage from the vent/overflow line.
  • Common signs include cracking or splitting, brittle or hardened rubber, loose or damaged fittings, discoloration from coolant exposure.
  • Low coolant or temperature-related warnings may appear if the hose begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and reduced cooling efficiency.
  • Maintains correct pressure balance within the cooling system during temperature changes.
  • Helps prevent overheating, since coolant loss or trapped air can disrupt proper circulation.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, wiring, and nearby engine 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.

97010642260
97010642260

The product you are viewing cross references to these numbers
Vent Hose. Porsche 970.2 Panamera 3.0L 2013-16 - 97010642260
2
Vent Hose. Porsche 970.2 Panamera 3.0L 2013-16
97010642260/1
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 connector hose helps maintain correct cooling system balance by directing overflow coolant back to the reservoir, supporting stable coolant circulation and consistent engine temperature control. It provides precise fitment, durability, and long-term resistance to heat and coolant exposure 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 19

What This Product Does:

  • Routes coolant vapours and excess coolant back toward the coolant expansion/reservoir tank.
  • Helps maintain proper cooling system pressure balance during engine heating and cooling cycles.
  • Supports stable coolant circulation, helping prevent air pockets and pressure build-up.
  • Keeps the cooling system operating as a sealed, controlled loop to protect against coolant loss.

Symptoms Of Wear Or Failure:
  • Coolant may seep from cracks or loose connections, leaving dried residue or wet staining around the hose.
  • A leaking vent hose can cause gradual coolant loss, requiring frequent top-ups.
  • Improper venting may cause unstable system pressure, contributing to overheating or erratic temperature readings.
  • A noticeable coolant smell in the engine bay often indicates leakage from the vent/overflow line.
  • Common signs include cracking or splitting, brittle or hardened rubber, loose or damaged fittings, discoloration from coolant exposure.
  • Low coolant or temperature-related warnings may appear if the hose begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that can lead to low coolant levels and reduced cooling efficiency.
  • Maintains correct pressure balance within the cooling system during temperature changes.
  • Helps prevent overheating, since coolant loss or trapped air can disrupt proper circulation.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, wiring, and nearby engine 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.

97010642260
97010642260

The product you are viewing cross references to these numbers
Vent line. Porsche 970 Panamera - 97010631201
5
Vent line. Porsche 970 Panamera
Special Order item
97010631201
Product Information
Product Information
Vent line.

porsche

Fits:
Porsche 970 Panamera 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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

97010631201
97010631201

The product you are viewing cross references to these numbers
Vent line. Porsche 970 Panamera - 97010631201 - 89692
3
Vent line. Porsche 970 Panamera
Special Offer
97010631201/1
Product Information
Product Information
Vent line.

oematch

Fits:
Porsche 970 Panamera - 2010 to 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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

97010631201
97010631201

The product you are viewing cross references to these numbers
Water hose. Porsche 970 Panamera 2010-16 - 97010645002
3
Water hose. Porsche 970 Panamera 2010-16
Special Order item
97010645002
Product Information
Product Information
Water hose.

porsche

Fits:
Porsche 970 Panamera 3.6L 2010-16
Porsche 970 Panamera S 4.8L 2010-16
Porsche 970 Turbo / GTS 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 24

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

97010645002
97010645002

The product you are viewing cross references to these numbers
Water hose. Porsche 970 Panamera 2010-16 - 97010645002
3
Water hose. Porsche 970 Panamera 2010-16
Special Offer
97010645002/1
Product Information
Product Information
Water hose.

oematch

Fits:
Porsche 970 Panamera 3.6L 2010-16
Porsche 970 Panamera S 4.8L 2010-16
Porsche 970 Turbo / GTS 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 24

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

97010645002
97010645002

The product you are viewing cross references to these numbers
DISPLAYING 33 to 42 (of 42 products)
1 2 3
Also found on these pages
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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