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Engine Block Hoses

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DISPLAYING 1 to 16 (of 17 products)
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Special Order item
97010652515
Product Information
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Cooling water hose.

porsche

Fits:
Porsche 970 Panamera 3.0L Hybrid 2014-16

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Diagram ref no 2

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97010652515
97010652515

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95810644402
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Cooling water tube.

porsche

Fits:
Porsche 958 Cayenne 3.0L Hybrid 2012-18
Porsche 970 Panamera 3.0L Hybrid 2012-16

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Diagram ref no 32

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95810644402
95810644402
95810644401
95810644400

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PAB121065
Product Information
Product Information
Cooling water tube.

porsche

Fits:
Porsche 958 Cayenne 3.0L Hybrid 2011-18
Porsche 970 Panamera 3.0L Hybrid 2012-16

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Diagram ref no 26

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PAB121065
95810646500
PAB121065

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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

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Diagram ref no 12

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94610602660
94610602660

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94610602660/1
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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

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Diagram ref no 12

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94610602660
94610602660

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97057258300/1
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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.



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97057258300
97057258300

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Special Order item
97057258300
Product Information
Product Information
Heater hose Supply. On water pump.

porsche

Fits:
Porsche 970 Panamera 2010-16

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Diagram ref no 5

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97057258300
97057258300

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97010631201
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Product Information
Vent line.

porsche

Fits:
Porsche 970 Panamera 2010-16

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Diagram ref no 13

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97010631201
97010631201

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97010631201/1
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Product Information
Vent line.

oematch

Fits:
Porsche 970 Panamera - 2010 to 2016

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Diagram ref no 13

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97010631201
97010631201

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Special Order item
95810635630
Product Information
Product Information
Water hose.

porsche

Fits:
Porsche 958 Cayenne 3.0L Hybrid 2012-18
Porsche 970 Panamera 3.0L Hybrid 2012-16

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

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95810635630
95810635630

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Special Order item
95810645800
Product Information
Product Information
Water hose.

porsche

Fits:
Porsche 958 Cayenne Hybrid 3.0L 2012-18
Porsche 970 Panamera Hybrid 3.0L 2012-16

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

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95810645800
95810645800

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Special Order item
95810645900
Product Information
Product Information
Water hose.

porsche

Fits:
Porsche 958 Cayenne Hybrid 3.0L 2012-18
Porsche 970 Panamera Hybrid 3.0L 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 35

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95810645900
95810645900

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Special Order item
95810648200
Product Information
Product Information
Water hose.

porsche

Fits:
Porsche 958 Cayenne 3.0L Hybrid 2012-18
Porsche 970 Panamers 3.0 Hybrid 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 36

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95810648200
95810648200

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95810645900/1
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Water Hose.
Maintain dependable cooling system performance with the Water Hose. This OE MATCH hose is designed to transfer coolant between key engine cooling components, supporting proper circulation and stable engine temperature control.

Fits:
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16  

Diagram Ref No 35

What This Product Does:

  • Carries coolant between cooling system components
  • Maintains continuous coolant circulation
  • Supports heat dissipation to prevent overheating
  • Helps stabilize engine operating temperature
  • Ensures efficient cooling system performance

Symptoms Of Wear Or Failure:
  • Coolant leaks under the vehicle or in the engine bay
  • Low coolant warning light
  • Frequent coolant top-offs
  • Engine overheating or rising temperature gauge
  • Sweet coolant smell from the engine compartment
  • Steam from under the hood in severe cases
  • Cracks, splits, or dry rot on the hose surface
  • Swelling or bulging due to internal weakening
  • Soft, spongy, or brittle hose texture
  • Coolant residue or dampness around hose clamps or fittings

Why Replacement Matters:
  • Replacing a worn water hose is important because it ensures proper coolant circulation throughout the engine cooling system. Over time, constant heat, pressure, and coolant exposure can cause the hose to crack, weaken, or leak.
  • If the hose fails, coolant loss can occur quickly, leading to overheating and potential engine damage. Even small leaks can reduce cooling efficiency and put extra strain on other cooling system components.
  • Installing a new water hose helps prevent leaks, restore reliable coolant flow, and protect the engine from costly overheating-related repairs.



Related reference numbers
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95810645900
95810645900

The product you are viewing cross references to these numbers
95810648200/1
Product Information
Product Information
Water Hose.
Maintain reliable engine cooling and temperature regulation with the Water Hose. This OE MATCH coolant hose is designed to transfer coolant between essential cooling system components, ensuring consistent circulation and effective heat dissipation.

Fits:
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16

Diagram Ref No 36

What This Product Does:

  • Transfers coolant between cooling system components
  • Maintains continuous coolant circulation
  • Helps dissipate engine heat through the radiator system
  • Supports stable engine operating temperature
  • Prevents overheating by ensuring consistent coolant flow

Symptoms Of Wear Or Failure:
  • Coolant leaks in the engine bay or beneath the vehicle
  • Low coolant warning light
  • Frequent coolant top-offs
  • Engine overheating or rising temperature gauge
  • Sweet coolant smell from the engine compartment
  • Steam from under the hood in severe cases
  • Cracks, splits, or surface deterioration on the hose
  • Bulging or swelling indicating internal weakening
  • Soft, spongy, or brittle hose texture
  • Coolant residue or dampness around hose connections

Why Replacement Matters:
  • Replacing a worn water hose is important because it ensures proper coolant circulation throughout the engine cooling system. Over time, heat, pressure, and coolant exposure can cause the hose to weaken, crack, or leak.
  • If the hose fails, coolant loss can occur quickly and may lead to engine overheating, which can result in serious damage and costly repairs. Even small leaks can reduce cooling efficiency and put extra strain on other cooling system components.
  • Installing a new hose helps prevent leaks, restore reliable coolant flow, and protect the engine for long-term performance and durability.



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

95810648200
95810648200

The product you are viewing cross references to these numbers
95810645800/1
Product Information
Product Information
Water Hose.
The Water Hose is a OE MATCH cooling system hose designed to carry coolant through the engine’s cooling circuit. Built to withstand high temperatures and constant pressure, this hose ensures efficient coolant circulation between the engine and cooling system components. 

Fits:
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16

Diagram Ref No 30

What This Product Does:

  • Transporting coolant between key cooling components
  • Maintaining consistent coolant flow and system pressure
  • Helping regulate engine temperature
  • Preventing overheating during heavy load or high-speed driving
  • Supporting overall cooling system efficiency

Symptoms Of Wear Or Failure:
  • Coolant leaks or puddles under the vehicle
  • Cracking, splitting, or swelling of the hose
  • Soft or brittle rubber sections
  • Coolant smell in the engine bay
  • Low coolant warning light
  • Rising engine temperature or overheating
  • Steam from the engine compartment
  • Coolant staining or residue around hose joints

Why Replacement Matters:
  • Prevent sudden breakdowns and coolant loss
  • Maintain safe engine operating temperatures
  • Protect engine components from overheating damage
  • Ensure proper cooling system pressure and reliability
  • Reduce the risk of expensive repair costs



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95810645800
95810645800

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DISPLAYING 1 to 16 (of 17 products)
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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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