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Porsche > Macan (95B) MK1 (2014-2018) > 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18 > Engine Cooling > Coolant Hoses and Pipes (Front engine cars) >

Engine Block Hoses

Engine Block Hoses

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DISPLAYING 1 to 7 (of 7 products)
Coolant Hose. Porsche 95B Macan 2.0L Petrol 2014-18 - 95B121056A
2
Coolant Hose. Porsche 95B Macan 2.0L Petrol 2014-18
Special Order item
95B121056A
Product Information
Product Information
Coolant Hose.

The Coolant Hose is a genuine Porsche cooling system component designed to ensure reliable coolant flow between key engine and radiator system components. Engineered to operate under high temperatures and constant cooling system pressure, this hose plays an essential role in maintaining stable engine operating temperatures.

Fits:

  • Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18


Diagram Ref No 22

What This Product Does:

  • Transferring coolant through the engine cooling circuit
  • Maintaining consistent coolant circulation
  • Supporting proper cooling system pressure
  • Helping regulate engine operating temperature
  • Preventing overheating under normal and demanding driving conditions

Symptoms Of Wear Or Failure:
  • Coolant leaks or fluid visible beneath the vehicle
  • Cracked, brittle, swollen, or soft hose material
  • Coolant smell from the engine bay
  • Low coolant warning light
  • Engine overheating or fluctuating temperature readings
  • Steam from the engine compartment
  • Coolant residue around hose connections

Why Replacement Matters:
  • Prevent sudden coolant loss and breakdowns
  • Maintain proper coolant circulation and temperature control
  • Protect the engine from overheating damage
  • Restore cooling system reliability
  • Avoid expensive repair costs caused by overheating



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Related, superseded, cross reference or alternative numbers for comparison.

95B121056A
95B121056A

The product you are viewing cross references to these numbers
Coolant Hose. Porsche 95B Macan 2.0L Petrol 2014-18 - 95B121056A
2
Coolant Hose. Porsche 95B Macan 2.0L Petrol 2014-18
95B121056A/1
Product Information
Product Information
Coolant Hose.

The Coolant Hose is a OE MATCH cooling system component designed to ensure reliable coolant flow between key engine and radiator system components. Engineered to operate under high temperatures and constant cooling system pressure, this hose plays an essential role in maintaining stable engine operating temperatures.

Fits:

  • Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18


Diagram Ref No 22

What This Product Does:

  • Transferring coolant through the engine cooling circuit
  • Maintaining consistent coolant circulation
  • Supporting proper cooling system pressure
  • Helping regulate engine operating temperature
  • Preventing overheating under normal and demanding driving conditions

Symptoms Of Wear Or Failure:
  • Coolant leaks or fluid visible beneath the vehicle
  • Cracked, brittle, swollen, or soft hose material
  • Coolant smell from the engine bay
  • Low coolant warning light
  • Engine overheating or fluctuating temperature readings
  • Steam from the engine compartment
  • Coolant residue around hose connections

Why Replacement Matters:
  • Prevent sudden coolant loss and breakdowns
  • Maintain proper coolant circulation and temperature control
  • Protect the engine from overheating damage
  • Restore cooling system reliability
  • Avoid expensive repair costs caused by overheating



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

95B121056A
95B121056A

The product you are viewing cross references to these numbers
Cooling water hose. Porsche 95B.1 Macan 2.0L - 95812108110
2
Cooling water hose. Porsche 95B.1 Macan 2.0L
Special Order item
95812108110
Product Information
Product Information
Cooling water hose.

porsche

Fits:
Porsche 95B.1 Macan 2.0L 2014-2018

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

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

95812108110
95812108110

The product you are viewing cross references to these numbers
Cooling Water Hose. Porsche 95B.1 Macan 2.0L 2014-18 - 95812108110, 95812108100
2
Cooling Water Hose. Porsche 95B.1 Macan 2.0L 2014-18
95812108110/1
Product Information
Product Information
Cooling Water Hose.
Ensure reliable engine temperature control with the Cooling Water Hose. This OE MATCH hose is designed to carry coolant through the engine’s cooling system, supporting efficient heat transfer and stable operating temperatures.

Fits:
  • Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18

Diagram Ref No 15

What This Product Does:

  • Carries coolant between key cooling system components
  • Supports proper coolant circulation and heat transfer
  • Helps maintain stable engine operating temperature
  • Prevents overheating by ensuring continuous coolant flow
  • Contributes to overall cooling system efficiency

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 from internal weakening
  • Soft, spongy, or brittle hose texture
  • Coolant residue or dampness around hose clamps or fittings

Why Replacement Matters:
  • Replacing a worn cooling water hose is essential to maintaining proper coolant circulation and engine temperature control. Over time, heat, pressure, and coolant exposure can cause the hose to crack, weaken, or leak.
  • If the hose fails, coolant loss can occur rapidly, leading to engine overheating and potential damage such as warped components or head gasket failure. Even minor leaks can reduce cooling efficiency and increase strain on the system.
  • Installing a new hose helps prevent leaks, restore reliable coolant flow, and protect the engine from costly overheating-related repairs.



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

95812108110
95812108110
95812108100

The product you are viewing cross references to these numbers
Water coolant hose. Porsche 95B.1 Macan 2.0L - 95B121056
2
Water coolant hose. Porsche 95B.1 Macan 2.0L
Special Order item
95B121056
Product Information
Product Information
Water coolant hose.

porsche

Fits:
Porsche 95B.1 Macan 2.0L 2014-18
for cars without auxiliary heater / parking heater (option code: 9M0)

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

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

95B121056
95B121056

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Water coolant pipe with t-piece connector. Porsche 95B.1 Macan 2.0L - 95B121049E
2
Water coolant pipe with t-piece connector. Porsche 95B.1 Macan 2.0L
Special Order item
95B121049E
Product Information
Product Information
Water coolant pipe with t-piece connector.

porsche

Fits:
Porsche 95B.1 Macan 2.0L 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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

95B121049E
95B121049E

The product you are viewing cross references to these numbers
Water coolant pipe with t-piece connector. Porsche 95B.1 Macan 2.0ltr - 95B121049E - GPBH-12104
2
Water coolant pipe with t-piece connector. Porsche 95B.1 Macan 2.0ltr
95B121049E/1
Product Information
Product Information
Water coolant pipe with t-piece connector.  Engine Coolant Hose

Radiator hoses have an important job to transport your engines coolant to and from its cooling system components. Over time they can become dry, hard, brittle, or leak which warrants a replacement. When replacing we also recommend a coolant flush and replacement to remove any possible sludge formed over time.

Engine Coolant Hose Failure Symptoms

Cracking - Leaking - Swelling - Deterioration  

Fits:
Porsche 95B.1 Macan 2.0ltr -  2014 to 2018

Diagram ref no 12



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

95B121049E
95B121049E

The product you are viewing cross references to these numbers
DISPLAYING 1 to 7 (of 7 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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