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Porsche > Panamera 970 MK2 (2014-2016) > 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16 > Engine Cooling > Coolant Hoses and Pipes (Front engine cars) >

Engine Block Hoses

3 3 3

Coolant Pipe, Return. Porsche 958 Cayenne / 95B Macan / 970 Panamera 2010-18

94610642160

Product Information

Coolant Pipe, Return.

The Coolant Pipe, Return is a genuine Porsche OEM coolant pipe designed to carry returning coolant through the engine cooling system. This rigid return pipe helps complete the coolant circulation loop, ensuring stable engine temperatures and reliable heater operation. Engineered to Porsche specifications, it provides precise fitment and long-term durability and is used on various Porsche models.

Fits:

Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
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 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18

Diagram Ref No 7 (Diagram Ref No 2 Included)

What This Product Does:

Returns coolant flow through the cooling system to complete the circulation loop.
Helps maintain proper engine temperature control by ensuring coolant moves continuously through the system.
Supports the heater circuit, since consistent coolant circulation is required for the heater core to deliver warm air.
Provides a rigid, secure coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.

Symptoms Of Wear Or Failure:

Coolant may seep or drip from the pipe itself or from the connection points where hoses attach.
A failing return pipe can cause slow coolant loss, leading to repeated top-ups.
Leaks or restrictions in the return circuit can reduce coolant circulation and cause the engine temperature to rise.
A coolant leak from the pipe often produces a noticeable sweet smell in the engine bay.
Because it is a rigid pipe, failure often shows as corrosion/rust (external), cracking, weakened metal near joints or mounting points
If coolant flow is reduced, the heater core may not receive enough hot coolant, resulting in weak or inconsistent cabin heat.
Modern Porsche models may trigger coolant level or overheating warnings if the pipe begins leaking.

Why Replacement Matters:

Prevents coolant loss and leaks that can quickly lead to low coolant levels and system pressure loss.
Helps avoid engine overheating, which can cause severe and costly engine damage if coolant can’t circulate properly.
Restores proper coolant flow, ensuring the cooling system works as designed under all driving conditions.
Maintains reliable cabin heating, since steady coolant circulation is required for the heater core to function correctly.
Protects surrounding components, as leaking coolant can damage hoses, seals, sensors, and nearby engine parts.

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

94610642160

94610642160

The product you are viewing cross references to these numbers

Coolant Pipe, Return. Porsche 958 Cayenne / 95B Macan / 970 Panamera 2010-18

94610642160/1

Product Information

Coolant Pipe, Return.

The Coolant Pipe, Return is a OE MATCH coolant pipe designed to carry returning coolant through the engine cooling system. This rigid return pipe helps complete the coolant circulation loop, ensuring stable engine temperatures and reliable heater operation. Engineered to Porsche specifications, it provides precise fitment and long-term durability and is used on various Porsche models.

Fits:

Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
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 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18

Diagram Ref No 7 (Diagram Ref No 2 Included)

What This Product Does:

Returns coolant flow through the cooling system to complete the circulation loop.
Helps maintain proper engine temperature control by ensuring coolant moves continuously through the system.
Supports the heater circuit, since consistent coolant circulation is required for the heater core to deliver warm air.
Provides a rigid, secure coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.

Symptoms Of Wear Or Failure:

Coolant may seep or drip from the pipe itself or from the connection points where hoses attach.
A failing return pipe can cause slow coolant loss, leading to repeated top-ups.
Leaks or restrictions in the return circuit can reduce coolant circulation and cause the engine temperature to rise.
A coolant leak from the pipe often produces a noticeable sweet smell in the engine bay.
Because it is a rigid pipe, failure often shows as corrosion/rust (external), cracking, weakened metal near joints or mounting points
If coolant flow is reduced, the heater core may not receive enough hot coolant, resulting in weak or inconsistent cabin heat.
Modern Porsche models may trigger coolant level or overheating warnings if the pipe begins leaking.

Why Replacement Matters:

Prevents coolant loss and leaks that can quickly lead to low coolant levels and system pressure loss.
Helps avoid engine overheating, which can cause severe and costly engine damage if coolant can’t circulate properly.
Restores proper coolant flow, ensuring the cooling system works as designed under all driving conditions.
Maintains reliable cabin heating, since steady coolant circulation is required for the heater core to function correctly.
Protects surrounding components, as leaking coolant can damage hoses, seals, sensors, and nearby engine parts.

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

94610642160

94610642160

The product you are viewing cross references to these numbers

Coolant Pipe. Porsche 970 Panamera 2010-16

97010604400

Product Information

Coolant Pipe.
The Coolant Pipe is a genuine Porsche OEM cooling system component designed to route engine coolant within the closed-loop cooling circuit. This rigid coolant pipe directs overflow and circulating coolant between key cooling system components, including the engine and expansion reservoir, helping maintain proper pressure balance and stable engine operating temperatures. Manufactured to Porsche specifications, it provides precise fitment, high resistance to heat and pressure, and long-term durability 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 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 14

What This Product Does:

Transfers engine coolant through the cooling circuit, helping move heat away from the engine.
Routes overflow or return coolant back toward the expansion/reservoir tank as part of the closed-loop system.
Helps maintain proper cooling system pressure and balance during temperature changes.
Provides a secure, rigid connection between cooling components to ensure reliable coolant flow.

Symptoms Of Wear Or Failure:

Coolant may drip or seep from the pipe body, joints, or connection points, often leaving visible residue or staining.
A leaking coolant pipe can cause gradual coolant loss, requiring frequent top-ups.
Loss of coolant or pressure imbalance can reduce cooling efficiency and cause temperature instability.
A noticeable coolant odor in the engine bay often indicates leakage from the cooling system.
Signs may include cracked plastic sections, corrosion on metal pipe sections, damaged or worn sealing areas, loose or degraded connection points.
Low coolant or overheating warnings may appear if the pipe begins to fail.

Why Replacement Matters:

Prevents coolant leaks that can lead to low coolant levels and reduced system pressure.
Helps avoid engine overheating, which can result in serious and costly engine damage.
Restores proper coolant routing, ensuring efficient heat transfer throughout the cooling circuit.
Maintains cooling system integrity, preventing air intrusion and pressure imbalance.
Protects surrounding components, as leaking coolant can damage hoses, wiring, sensors, and engine parts.

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

97010604400

97010604400

The product you are viewing cross references to these numbers

Coolant Pipe. Porsche 970 Panamera 2010-16

97010604400/1

Product Information

Coolant Pipe.
The Coolant Pipe is a OE MATCH cooling system component designed to route engine coolant within the closed-loop cooling circuit. This rigid coolant pipe directs overflow and circulating coolant between key cooling system components, including the engine and expansion reservoir, helping maintain proper pressure balance and stable engine operating temperatures. It provides precise fitment, high resistance to heat and pressure, and long-term durability 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 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 14

What This Product Does:

Transfers engine coolant through the cooling circuit, helping move heat away from the engine.
Routes overflow or return coolant back toward the expansion/reservoir tank as part of the closed-loop system.
Helps maintain proper cooling system pressure and balance during temperature changes.
Provides a secure, rigid connection between cooling components to ensure reliable coolant flow.

Symptoms Of Wear Or Failure:

Coolant may drip or seep from the pipe body, joints, or connection points, often leaving visible residue or staining.
A leaking coolant pipe can cause gradual coolant loss, requiring frequent top-ups.
Loss of coolant or pressure imbalance can reduce cooling efficiency and cause temperature instability.
A noticeable coolant odor in the engine bay often indicates leakage from the cooling system.
Signs may include cracked plastic sections, corrosion on metal pipe sections, damaged or worn sealing areas, loose or degraded connection points.
Low coolant or overheating warnings may appear if the pipe begins to fail.

Why Replacement Matters:

Prevents coolant leaks that can lead to low coolant levels and reduced system pressure.
Helps avoid engine overheating, which can result in serious and costly engine damage.
Restores proper coolant routing, ensuring efficient heat transfer throughout the cooling circuit.
Maintains cooling system integrity, preventing air intrusion and pressure imbalance.
Protects surrounding components, as leaking coolant can damage hoses, wiring, sensors, and engine parts.

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

97010604400

97010604400

The product you are viewing cross references to these numbers

3 3 3

Cooling water breather pipe for Porsche 970 Panamera 3.6L V6

94610602622

Product Information

Cooling water breather pipe.

porsche

Fits:
Porsche 970 Panamera 3.6L V6 2011-2016

Engine codes:
M46.20 / M46.40 / MCW.AA / MCX.NA / MCW.A / MCX.N

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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

94610602622

94610602622

The product you are viewing cross references to these numbers

3 3 3

Cooling water breather pipe for Porsche 970 Panamera 3.6L V6

94610602622/1

Product Information

Cooling water breather pipe.

oematch

94610602622

The product you are viewing cross references to these numbers

Cooling water tube. Porsche 970 Panamera

97010644503

Product Information

Cooling water tube.

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 26

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

97010644503

97010644503

97010644502

The product you are viewing cross references to these numbers

Cooling water tube. Porsche 970 Panamera 3.6L

94610606921

Product Information

Cooling water tube.

porsche

Fits:
Porsche 970 Panamera 3.6L 2011-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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

94610606921

94610606921

The product you are viewing cross references to these numbers

4 4 4 4

Distributor tube water coolant. Porsche 958 Cayenne / 95B Macan / 970.2 Panamera

94810606176/1

Product Information

Distributor tube water coolant.

oematch

Fits:
Porsche 958 Cayenne 3.6ltr V6 - 2010 to 2017
Porsche 95B Macan S - 2014 to 2018 (Petrol)
Porsche 95B Macan GTS - 2014 to 2018

Porsche 95B Macan turbo - 2018 to 2018
Porsche 970.2 Panamera S 3.0ltr - 2014 to 2016
Porsche 970.2 Panamera 4S 3.0ltr - 2014 to 2016

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

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

94810606176

94810606176

The product you are viewing cross references to these numbers

3 3 3

Engine coolant hose, Supply. Porsche 970 Panamera

97010642001

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

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

97010642001

97010642001

The product you are viewing cross references to these numbers

3 3 3

Engine coolant hose, Supply. Porsche 970 Panamera

97010642500

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

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 Hose, Supply. Porsche 970 Panamera 2010-16

97010642500/1

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

3 3 3

Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera

94610602661

Product Information

Engine coolant vent line
This original Porsche coolant vent / breather line forms part of the engine cooling system, helping bleed air and route coolant vapour or coolant flow correctly through the cooling circuit.

Fits:
Porsche 958 Cayenne 3.6L 2011 - 2018
Porsche 95B.1 Macan 3.0L / 3.6L 2014 - 2018
Porsche 970.2 Panamera 3.0L 2013 - 2016

Diagram ref no 12

What This Part Does / Functions
• Helps vent air from the engine cooling system
• Routes coolant or coolant vapour through the correct cooling circuit path
• Supports proper coolant circulation and system bleeding
• Helps reduce the risk of trapped air pockets in the cooling system
• Assists stable engine operating temperature
• Replaces a cracked, brittle, leaking or damaged original vent line
• Provides correct OE Porsche routing, shape and connection fitment
• Supports reliable cooling system performance.

Why Replace This Part?
Coolant vent lines are exposed to heat cycles, coolant pressure, vibration and age-related plastic or rubber deterioration. Over time, the line can become brittle, crack, split or leak. A failed coolant vent line may cause coolant loss, coolant smell, low coolant warnings, pressure loss or overheating. Replacing it with a Genuine Porsche OE engine coolant vent line helps restore correct cooling system venting and factory fitment. This is especially important on Porsche V6 applications where the coolant vent line routing is critical to proper system bleeding and coolant circulation.

Common Symptoms of a Faulty Coolant Vent Line
• Coolant smell from the engine bay
• Visible coolant leak or dried coolant residue
• Low coolant warning
• Cooling system pressure loss
• Air trapped in the cooling system
• Engine temperature fluctuations
• Brittle, cracked or broken coolant line
• Coolant seepage after previous cooling system work.

When to Replace
• This Part If the original vent line is cracked, brittle, leaking or damaged
• If coolant loss is traced to the vent line
• During cooling system overhaul or hose replacement
• When replacing related coolant pipes, hoses or thermostat components
• If the cooling system is difficult to bleed correctly
• During intake manifold or engine-top service where the line is disturbed
• When recommissioning a vehicle with unknown cooling system history

Where It Fits on the Car
This coolant vent line fits in the engine cooling system, routed around the engine coolant pipework / breather circuit. It connects into the coolant venting system and helps remove air from the cooling circuit. Correct routing and secure connections are important to prevent leaks and maintain proper cooling system operation.

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

94610602661

94610602660

94610602661

The product you are viewing cross references to these numbers

3 3 3

Engine coolant vent line. Porsche 958 Cayenne / 95B.1 Macan / 970.2 Panamera 94610602660

94610602661/1

Product Information

Engine coolant vent line
OE Match engine coolant vent line for Porsche 958 Cayenne, 95B.1 Macan, and 970.2 Panamera models. This replacement cooling system vent line helps route coolant and air bleed flow correctly, supporting reliable cooling system operation and proper system bleeding.

Fits:
Porsche 958 Cayenne 3.6L 2011 - 2018
Porsche 95B.1 Macan 3.0L / 3.6L 2014 - 2018
Porsche 970.2 Panamera 3.0L 2013 - 2016

Diagram ref no 12

The coolant vent line helps move trapped air and coolant through the cooling system venting circuit. Correct vent line operation supports cooling system bleeding, helps prevent air pockets, and assists stable coolant circulation during engine operation.

Functions
• Replaces the engine coolant vent line
• Helps route coolant and air bleed flow correctly
• Supports cooling system bleeding and circulation
• Helps prevent trapped air within the coolant system
• Helps maintain stable engine operating temperature
• Suitable for coolant leak repair, engine service, or preventive maintenance
•  OE Match replacement for Porsche cooling system service

Why Replace This Part?
Coolant vent lines can harden, crack, swell, split, leak, or become blocked due to age, heat cycles, coolant exposure, pressure, and engine bay conditions. A damaged or restricted vent line may cause coolant loss, air pockets, overheating symptoms, coolant smell, pressure loss, or visible residue around the engine bay. Replacing the vent line helps restore correct cooling system integrity and reliable air bleeding.

When to Replace This Part
•   Coolant leak is visible from the vent line area
•   Hose or line is cracked, brittle, swollen, split, or soft
•   Cooling system pressure loss is present
•   Coolant smell or residue is noticed in the engine bay
•   Overheating or trapped air symptoms are present
•   Cooling system service or engine repair is being carried out
•   Preventive hose replacement is required during restoration or maintenance.

Where it fits on the car
This vent line fits within the engine cooling system / coolant vent circuit on applicable Porsche 958 Cayenne, 95B.1 Macan, and 970.2 Panamera models.

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

94610602661

94610602660

94610602661

The product you are viewing cross references to these numbers

3 3 3

Heater Hose Supply On Water Pump. Porsche 970 Panamera 2010-16

97057258300/1

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

3 3 3

Heater hose Supply. On water pump. Porsche 970 Panamera

97057258300

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

97057258300

97057258300

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DISPLAYING 17 to 32 (of 44 products)

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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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Engine Block Hoses

Water cooling - 1 - (Model: CWDA,CWD, CWFA,CWF) Panamera 970 (G1) 3.0L 2014>> 105-020

Water cooling - 2 - (Model: CWDA,CWD, CWFA,CWF) Panamera 970 (G1) 3.0L 2014>> 105-032

Coolant cooling system / Coolant expansion tank (Model: CWDA,CWD, CWFA,CWF) Panamera 970 (G1) 3.0L 2014>> 105-042

Hot air line / Supply / Return line Panamera 970 (G1) 2010-16 813-000