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Porsche > Cayenne 9YA (E3) 2018-2023 > 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23 > Engine Cooling > Coolant Hoses and Pipes (Front engine cars) >

Engine Block Hoses

Engine Block Hoses

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DISPLAYING 5 to 8 (of 25 products)
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Coolant hose for heater. Porsche 9YA Cayenne 2018-23 - PAB81967500, PAB819675, PAB819342
3
Coolant hose for heater. Porsche 9YA Cayenne 2018-23
Special Order item
PAB819342
Product Information
Product Information
Coolant hose for heater.

Fits:
Porsche 9YA.1 Cayenne 2.9L / 3.0L 2018 - 2023

Diagram ref no 16 , or 13

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Related, superseded, cross reference or alternative numbers for comparison.

PAB819342
PAB81967500
PAB819675
PAB819342

The product you are viewing cross references to these numbers
Coolant hose for heater. Porsche 9YA Cayenne 2018-23 - PAB81967500, PAB819675, PAB819342 - GPBH-67500
4
Coolant hose for heater. Porsche 9YA Cayenne 2018-23
PAB819342/1
Product Information
Product Information
Coolant hose for heater.

Fits:
Porsche 9YA.1 Cayenne 2.9L / 3.0L 2018 - 2023

Diagram ref no 16 , or 13

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Related, superseded, cross reference or alternative numbers for comparison.

PAB819342
PAB81967500
PAB819675
PAB819342

The product you are viewing cross references to these numbers
Coolant Hose Pipe. Porsche 9YA / 9YA.2 Cayenne 2.9L / 3.0L 2018>> - PAB12105610
2
Coolant Hose Pipe. Porsche 9YA / 9YA.2 Cayenne 2.9L / 3.0L 2018>>
Special Order item
PAB12105610
Product Information
Product Information
Coolant Hose Pipe.

The Coolant Hose Pipe is a genuine Porsche cooling system component designed to route coolant efficiently between critical engine and radiator circuit components. Combining the flexibility of a hose with the structural stability of a formed pipe section, this component ensures reliable coolant transfer under high-temperature and high-pressure conditions.

Fits:

  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
  
Diagram Ref No 22

What This Product Does:

  • Directing coolant flow through the cooling circuit
  • Maintaining steady coolant circulation
  • Supporting correct cooling system pressure
  • Ensuring secure connections between cooling components
  • Helping prevent overheating during normal and demanding driving

Symptoms Of Wear Or Failure:
  • Coolant leaks near hose or pipe connections
  • Cracked, brittle, or swollen hose sections
  • Corrosion or surface damage on pipe sections
  • Coolant smell from the engine bay
  • Low coolant warning light
  • Engine overheating or fluctuating temperature readings
  • Coolant residue around fittings

Why Replacement Matters:
  • Prevent sudden coolant leaks and breakdowns
  • Maintain proper coolant flow and system pressure
  • Protect engine components from overheating damage
  • Restore reliable cooling system performance
  • Avoid costly repairs caused by cooling system failure



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

PAB12105610
PAB12105610

The product you are viewing cross references to these numbers
Coolant Hose Pipe. Porsche 9YA / 9YA.2 Cayenne 2.9L / 3.0L 2018>> - PAB12105610
2
Coolant Hose Pipe. Porsche 9YA / 9YA.2 Cayenne 2.9L / 3.0L 2018>>
PAB12105610/1
Product Information
Product Information
Coolant Hose Pipe.

The Coolant Hose Pipe is a OE MATCH cooling system component designed to route coolant efficiently between critical engine and radiator circuit components. Combining the flexibility of a hose with the structural stability of a formed pipe section, this component ensures reliable coolant transfer under high-temperature and high-pressure conditions.

Fits:

  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
  
Diagram Ref No 22

What This Product Does:

  • Directing coolant flow through the cooling circuit
  • Maintaining steady coolant circulation
  • Supporting correct cooling system pressure
  • Ensuring secure connections between cooling components
  • Helping prevent overheating during normal and demanding driving

Symptoms Of Wear Or Failure:
  • Coolant leaks near hose or pipe connections
  • Cracked, brittle, or swollen hose sections
  • Corrosion or surface damage on pipe sections
  • Coolant smell from the engine bay
  • Low coolant warning light
  • Engine overheating or fluctuating temperature readings
  • Coolant residue around fittings

Why Replacement Matters:
  • Prevent sudden coolant leaks and breakdowns
  • Maintain proper coolant flow and system pressure
  • Protect engine components from overheating damage
  • Restore reliable cooling system performance
  • Avoid costly repairs caused by cooling system failure



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

PAB12105610
PAB12105610

The product you are viewing cross references to these numbers
DISPLAYING 5 to 8 (of 25 products)
1 2 3 4 >>
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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