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Porsche > Panamera 970 MK2 (2014-2016) > 970.2 Panamera Turbo V8 Executive 2014-16 > Engine Cooling > Coolant Hoses and Pipes >

Engine Block Hoses

Engine Block Hoses

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DISPLAYING 1 to 16 (of 31 products)
1 2
Alternator cooling hose connect. Porsche Cayenne / Panamera - 94810646200, 94860301503 - URO-015085
2
Alternator cooling hose connect. Porsche Cayenne / Panamera
Special Order item
94810646200
Product Information
Product Information
Alternator cooling hose connect.
90º coolant fitting at the alternator.

Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
M 816 09867 >>
M 8260 4064 >>

Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2010-18
Porsche 970 Panamera 4.8L 2010-16

Diagram ref no 10

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Related, superseded, cross reference or alternative numbers for comparison.

94810646200
94810646200
94860301503

The product you are viewing cross references to these numbers
Alternator cooling hose connect. Porsche Cayenne / Panamera - 94810646200, 94860301503 - URO-015085
3
Alternator cooling hose connect. Porsche Cayenne / Panamera
94810646200PRM
Product Information
Product Information
Alternator cooling hose connect.
90º coolant fitting at the alternator.
Includes O-ring; Premium Metal Construction

Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
M 816 09867 >>
M 8260 4064 >>

Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2010-18
Porsche 970 Panamera 4.8L 2010-16

Diagram ref no 10

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Related, superseded, cross reference or alternative numbers for comparison.

94810646200PRM
94810646200
94860301503

The product you are viewing cross references to these numbers
Alternator cooling hose connect. Porsche Cayenne / Panamera 94810646200 - 94810646200, 94860301503 - URO-015085
3
Alternator cooling hose connect. Porsche Cayenne / Panamera 94810646200
94810646200/1
Product Information
Product Information
Alternator cooling hose connect.
90º coolant fitting at the alternator.

Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
M 816 09867 >>
M 8260 4064 >>

Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2010-18
Porsche 970 Panamera 4.8L 2010-16

Diagram ref no 10

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Related, superseded, cross reference or alternative numbers for comparison.

94810646200
94810646200
94860301503

The product you are viewing cross references to these numbers
Coolant hose feed. Porsche 970 Panamera 4.8L - 97010640202
3
Coolant hose feed. Porsche 970 Panamera 4.8L
Special Order item
97010640202
Product Information
Product Information
Coolant hose feed.

porsche

Fits:
Porsche 970 Panamera 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 33

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

97010640202
97010640202

The product you are viewing cross references to these numbers
Coolant hose feed. Porsche 970 Panamera 4.8L - 97010640202
3
Coolant hose feed. Porsche 970 Panamera 4.8L
97010640202/1
Product Information
Product Information
Coolant hose feed.

oematch

Fits:
Porsche 970 Panamera 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 33

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

97010640202
97010640202

The product you are viewing cross references to these numbers
Coolant Hose, Feed. Porsche 955 / 957 / 958 Cayenne / 970 Panamera 2003-18 - 94810635506, 94810635504, 94810635505
2
Coolant Hose, Feed. Porsche 955 / 957 / 958 Cayenne / 970 Panamera 2003-18
Special Order item
94810635506
Product Information
Product Information
Coolant Hose, Feed.
The Coolant Hose, Feed is a genuine Porsche OEM coolant hose designed to carry pressurised engine coolant through the feed circuit of the cooling system. This hose ensures correct coolant flow between key cooling components, supporting stable engine operating temperatures and reliable cooling system performance. Manufactured to Porsche specifications, it provides precise fitment and durability for Porsche 955 / 957 / 958 / 970 models.

Fits:
  • Porsche 955 Cayenne S 4.5L V8 2003-06
  • Porsche 955 Cayenne Turbo 4.5L 2003-06
  • Porsche 955 Cayenne Turbo S 4.5L 2006>>
  • 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 7 (Diagram Ref No 8 and 9 Included)

What This Product Does:

  • Feeds engine coolant between cooling system components such as the engine, radiator, and expansion/overflow tank.
  • Helps maintain proper coolant circulation, which is essential for controlling engine temperature.
  • Supports overheating prevention by ensuring coolant flows efficiently through the system.
  • Provides a flexible connection that absorbs engine movement and thermal expansion without stressing rigid pipes.

Symptoms Of Wear Or Failure:
  • Coolant may seep or drip from the hose itself or around the hose clamp connection points.
  • A worn feed hose can cause gradual coolant loss, leading to repeated topping up.
  • If the hose leaks or restricts coolant flow, the engine may run hotter than normal.
  • A coolant leak often produces a sweet smell in the engine bay or around the vehicle.
  • Visible signs of deterioration may include cracking, bulging, hardened rubber, wet staining
  • If coolant circulation is affected, cabin heat may become weak or inconsistent.
  • Modern Porsche models may display coolant level or overheating warnings when leaks develop.

Why Replacement Matters:
  • Prevents coolant leaks that can cause low coolant levels and loss of pressure.
  • Helps avoid engine overheating, which can lead to severe and expensive engine damage.
  • Restores proper coolant circulation, ensuring the cooling system performs efficiently under all conditions.
  • Maintains reliable heater performance, since cabin heating depends on correct coolant flow.
  • Protects other cooling components, as leaks can introduce air into the system and increase strain on hoses, seals, and the water pump.



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

94810635506
94810635506
94810635504
94810635505

The product you are viewing cross references to these numbers
Coolant Hose, Feed. Porsche 955 / 957 / 958 Cayenne / 970 Panamera 2003-18 - 94810635506, 94810635504, 94810635505
2
Coolant Hose, Feed. Porsche 955 / 957 / 958 Cayenne / 970 Panamera 2003-18
94810635506/1
Product Information
Product Information
Coolant Hose, Feed.
The Coolant Hose, Feed is a OE MATCH coolant hose designed to carry pressurised engine coolant through the feed circuit of the cooling system. This hose ensures correct coolant flow between key cooling components, supporting stable engine operating temperatures and reliable cooling system performance. It provides precise fitment and durability for Porsche 955 / 957 / 958 / 970 models.

Fits:
  • Porsche 955 Cayenne S 4.5L V8 2003-06
  • Porsche 955 Cayenne Turbo 4.5L 2003-06
  • Porsche 955 Cayenne Turbo S 4.5L 2006>>
  • 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 7 (Diagram Ref No 8 and 9 Sold Separately)

What This Product Does:

  • Feeds engine coolant between cooling system components such as the engine, radiator, and expansion/overflow tank.
  • Helps maintain proper coolant circulation, which is essential for controlling engine temperature.
  • Supports overheating prevention by ensuring coolant flows efficiently through the system.
  • Provides a flexible connection that absorbs engine movement and thermal expansion without stressing rigid pipes.

Symptoms Of Wear Or Failure:
  • Coolant may seep or drip from the hose itself or around the hose clamp connection points.
  • A worn feed hose can cause gradual coolant loss, leading to repeated topping up.
  • If the hose leaks or restricts coolant flow, the engine may run hotter than normal.
  • A coolant leak often produces a sweet smell in the engine bay or around the vehicle.
  • Visible signs of deterioration may include cracking, bulging, hardened rubber, wet staining
  • If coolant circulation is affected, cabin heat may become weak or inconsistent.
  • Modern Porsche models may display coolant level or overheating warnings when leaks develop.

Why Replacement Matters:
  • Prevents coolant leaks that can cause low coolant levels and loss of pressure.
  • Helps avoid engine overheating, which can lead to severe and expensive engine damage.
  • Restores proper coolant circulation, ensuring the cooling system performs efficiently under all conditions.
  • Maintains reliable heater performance, since cabin heating depends on correct coolant flow.
  • Protects other cooling components, as leaks can introduce air into the system and increase strain on hoses, seals, and the water pump.



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

94810635506
94810635506
94810635504
94810635505

The product you are viewing cross references to these numbers
Coolant pipe heater. Porsche 970 Panamera / 958 Cayenne - 94810606921
2
Coolant pipe heater. Porsche 970 Panamera / 958 Cayenne
Special Order item
94810606921
Product Information
Product Information
Coolant pipe heater.

porsche

Fits:
Porsche 970 Panamera 4.8L 2009-16
Porsche 958 Cayenne 4.8L 2010-18

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

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

94810606921
94810606921

The product you are viewing cross references to these numbers
Cooling water breather pipe for Porsche 970 Panamera / Cayenne 958 4.8L V8 / - 94810602622
3
Cooling water breather pipe for Porsche 970 Panamera / Cayenne 958 4.8L V8 /
Special Order item
94810602622
Product Information
Product Information
Cooling water breather pipe.

porsche

Fits:
Porsche 970 Panamera 4.8L V8 2010-2016 S / GTS / TURBO

Porsche 958 Cayenne 4.8L V8 2011-2018 S / GTS / TURBO / TURBO S

Panamera engine codes:
M48.20 / M48.40 / MCX.PA / MCX.RA / MCX.P / MCX.R / MCW.BA / MCW.CA / MCW.B / MCW.C

Cayenne engine codes:
M48.02 / M48.52 / MCF.TB / MCY.XA / MCF.T / MCY.X

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

94810602622
94810602622

The product you are viewing cross references to these numbers
Cooling water breather pipe for Porsche 970 Panamera / Cayenne 958 4.8L V8 / - 94810602622
3
Cooling water breather pipe for Porsche 970 Panamera / Cayenne 958 4.8L V8 /
94810602622/1
Product Information
Product Information
Cooling water breather pipe.

oematch

Fits:
Porsche 970 Panamera 4.8L V8 2010-2016 S / GTS / TURBO

Porsche 958 Cayenne 4.8L V8 2011-2018 S / GTS / TURBO / TURBO S

Panamera engine codes:
M48.20 / M48.40 / MCX.PA / MCX.RA / MCX.P / MCX.R / MCW.BA / MCW.CA / MCW.B / MCW.C

Cayenne engine codes:
M48.02 / M48.52 / MCF.TB / MCY.XA / MCF.T / MCY.X

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

94810602622
94810602622

The product you are viewing cross references to these numbers
Cooling Water Tube, Return. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18 - 94810642112, 94810642104, 94810642110
2
Cooling Water Tube, Return. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18
Special Order item
94810642112
Product Information
Product Information
Cooling Water Tube, Return.

The Cooling Water Tube, Return is a genuine Porsche OEM coolant return pipe designed to route returning coolant through the engine cooling system. This rigid connector tube helps maintain correct coolant circulation and system pressure, supporting stable engine operating temperatures and reliable heating performance. Manufactured to Porsche specifications, it provides precise fitment and durability for Porsche 957 / 958 / 970 models.

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 13 (Diagram Ref No 2 Included)

What This Product Does:

  • Routes returning coolant through the cooling system to complete the circulation loop.
  • Helps maintain proper coolant flow and pressure, ensuring efficient heat transfer and stable engine temperatures.
  • Supports reliable engine cooling by ensuring coolant can flow back toward other cooling components without restriction.
  • Provides a rigid, durable coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.

Symptoms Of Wear Or Failure:
  • Coolant may drip or seep from the tube itself or from the hose connection points, often leaving staining or residue.
  • A leaking return tube can cause gradual coolant loss, requiring frequent top-ups.
  • If the return pipe leaks or becomes restricted, coolant circulation can be disrupted, causing rising or fluctuating engine temperatures.
  • A noticeable sweet smell in the engine bay is often a sign of coolant escaping from the system.
  • Common visible signs include corrosion/pitting, cracking near joints, weakened metal around fittings or mounting areas
  • Poor coolant circulation can affect the heater circuit, leading to weak or inconsistent cabin heat.
  • Modern Porsche models may trigger low coolant or overheating warnings if the tube begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that cause low coolant levels and loss of system pressure.
  • Helps avoid engine overheating, which can result in severe and costly engine damage.
  • Restores proper coolant circulation, ensuring the cooling system functions efficiently under all driving conditions.
  • Maintains reliable heater performance, since consistent coolant flow is required for the heater core to work correctly.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, seals, and nearby engine parts.



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

94810642112
94810642112
94810642104
94810642110

The product you are viewing cross references to these numbers
Cooling Water Tube, Return. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18 - 94810642112, 94810642104, 94810642110
2
Cooling Water Tube, Return. Porsche 957 / 958 Cayenne / 970 Panamera 2007-18
94810642112/1
Product Information
Product Information
Cooling Water Tube, Return.

The Cooling Water Tube, Return is a OE MATCH coolant return pipe designed to route returning coolant through the engine cooling system. This rigid connector tube helps maintain correct coolant circulation and system pressure, supporting stable engine operating temperatures and reliable heating performance. It provides precise fitment and durability for Porsche 957 / 958 / 970 models.

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 13 (Diagram Ref No 2 Sold Separately)

What This Product Does:

  • Routes returning coolant through the cooling system to complete the circulation loop.
  • Helps maintain proper coolant flow and pressure, ensuring efficient heat transfer and stable engine temperatures.
  • Supports reliable engine cooling by ensuring coolant can flow back toward other cooling components without restriction.
  • Provides a rigid, durable coolant pathway, reducing the risk of kinking or collapse compared to flexible hoses.

Symptoms Of Wear Or Failure:
  • Coolant may drip or seep from the tube itself or from the hose connection points, often leaving staining or residue.
  • A leaking return tube can cause gradual coolant loss, requiring frequent top-ups.
  • If the return pipe leaks or becomes restricted, coolant circulation can be disrupted, causing rising or fluctuating engine temperatures.
  • A noticeable sweet smell in the engine bay is often a sign of coolant escaping from the system.
  • Common visible signs include corrosion/pitting, cracking near joints, weakened metal around fittings or mounting areas
  • Poor coolant circulation can affect the heater circuit, leading to weak or inconsistent cabin heat.
  • Modern Porsche models may trigger low coolant or overheating warnings if the tube begins to fail.

Why Replacement Matters:
  • Prevents coolant leaks that cause low coolant levels and loss of system pressure.
  • Helps avoid engine overheating, which can result in severe and costly engine damage.
  • Restores proper coolant circulation, ensuring the cooling system functions efficiently under all driving conditions.
  • Maintains reliable heater performance, since consistent coolant flow is required for the heater core to work correctly.
  • Protects surrounding components, as leaking coolant can damage hoses, sensors, seals, and nearby engine parts.



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

94810642112
94810642112
94810642104
94810642110

The product you are viewing cross references to these numbers
Cooling water tube. Porsche 970 Panamera - 97010644503, 97010644502
2
Cooling water tube. Porsche 970 Panamera
Special Order item
97010644503
Product Information
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
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

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

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

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
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.



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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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