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Porsche > Panamera 970 MK1 (2009-2013) > 970.1 Panamera GTS V8 4.8L 2011-13 > Engine Cooling > Coolant Hoses and Pipes >

Engine Block Hoses

Engine Block Hoses

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DISPLAYING 33 to 36 (of 36 products)
1 2 3
Water coolant hose. Porsche 958 Cayenne 4.8L / 970 Panamera 4.8L - 94810645722
3
Water coolant hose. Porsche 958 Cayenne 4.8L / 970 Panamera 4.8L
Special Order item
94810645722
Product Information
Product Information
Water coolant hose.

porsche

Fits:
Porsche 958 Cayenne 4.8L 2011-18
Porsche 970 Panamera 4.8L 2010-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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Related, superseded, cross reference or alternative numbers for comparison.

94810645722
94810645722

The product you are viewing cross references to these numbers
Water Coolant Hose. Porsche 958 Cayenne 4.8L / 970 Panamera 4.8L 2010-18 - 94810645722
2
Water Coolant Hose. Porsche 958 Cayenne 4.8L / 970 Panamera 4.8L 2010-18
94810645722/1
Product Information
Product Information
Water Coolant Hose.

The Water Coolant Hose is a OE MATCH engine coolant hose designed to carry pressurised coolant through the vehicle’s cooling system. This flexible hose helps maintain correct coolant circulation between key cooling components, supporting stable engine operating temperatures and reliable heater performance. It provides precise fitment and durability for Porsche 958 Cayenne and 970 Panamera 4.8L.

Fits:

  • 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 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 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 4 (Diagram Ref No 5 And 6 Sold Separately)

What This Product Does:
  • Transports engine coolant through the cooling circuit so heat can be carried away from the engine.
  • Helps maintain correct engine operating temperature by ensuring continuous coolant circulation.
  • Supports cabin heating, since hot coolant flowing through the heater circuit is what allows the heater core to produce warm air.
  • Provides a flexible connection that absorbs engine movement and thermal expansion without stressing rigid pipes or fittings.

Symptoms Of Wear Or Failure:
  • Coolant may drip or seep from the hose body or around the clamp connection points.
  • A leaking hose often causes gradual coolant loss, leading to frequent top-ups.
  • Loss of coolant or restricted flow can cause overheating or unstable engine temperatures.
  • A coolant leak typically produces a sweet smell around the engine bay or under the vehicle.
  • Signs include cracking, swelling/bulging, soft spots, hardened rubber, wet staining or coolant residue.
  • If coolant flow is compromised, the heater core may not receive enough hot coolant.
  • Modern Porsche models may display low coolant or overheating warnings when a hose begins to fail.

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



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

94810645722
94810645722

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 36 (of 36 products)
1 2 3
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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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