Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Radiator Top / Bottom Hoses

Refine by Car Type
Filter by brand
DISPLAYING 1 to 16 (of 19 products)
1 2
WATERPIPEKIT04
Product Information
Product Information
Complete water hose kit.

Fits:
Porsche 944 S2 3.0L 1989-91

Click 'Zoom in' for large parts diagram.
Diagram ref no 17, 20, 23, 25, 27, 28, 30, 34, 37 and 39.

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Related, superseded, cross reference or alternative numbers for comparison.

WATERPIPEKIT04
94410623501
94410623602
94410625301
94410624104
94410621702
94410623906
94410625100
95110623704
94410610302
95110624901

The product you are viewing cross references to these numbers
Special Order item
046121099
Product Information
Product Information
Air bleed plug water cooling. 


porsche

Fits:
Porsche 924 - 1976 to 1985
Porsche 944 - 1982 to 1985

Click 'Zoom in' for large parts diagram.
Diagram ref no 14



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Related, superseded, cross reference or alternative numbers for comparison.

046121099
046121099

The product you are viewing cross references to these numbers
Special Order item
94410609101
Product Information
Product Information
Metal coolant pipe – positioned between the rubber coolant feed hose for the radiator and the small rubber hose connecting to the metal coolant connection on the cylinder head. 

Fits:
Porsche 944 S 1987-88
Porsche 944 S2 1989-91

Diagram ref. 26.

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Related, superseded, cross reference or alternative numbers for comparison.

94410609101
94410609101

The product you are viewing cross references to these numbers
Special Order item
94410623705
Product Information
Product Information
Radiator bottom hose to water pump.

porsche

Fits:
Porsche 944 1982-85

Click 'Zoom in' to see the diagram.
Diagram ref no 8.

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Related, superseded, cross reference or alternative numbers for comparison.

94410623705
94410623705

The product you are viewing cross references to these numbers
Special Order item
94410623707
Product Information
Product Information
Radiator bottom hose to water pump.

porsche

Fits:
Porsche 944 1985-91

Click 'Zoom in' to see the diagram.
Diagram ref no 8.

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

94410623707
94410623707

The product you are viewing cross references to these numbers
Special Order item
95110623704
Product Information
Product Information
Left Radiator bottom hose to water pump.

Fits:
Porsche 944S2 1989-91
Porsche 968 1992-95

Diagram ref no 23.

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

95110623704
95110623704

The product you are viewing cross references to these numbers
95110623704/1
Product Information
Product Information
Radiator bottom hose to water pump.

Fits:
Porsche 944S2 1989-91
Porsche 968 1992-95

Diagram ref no 23.

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

95110623704
95110623704

The product you are viewing cross references to these numbers
94410623705/1
Product Information
Product Information
Radiator hose bottom to water pump.

oematch

Fits:
Porsche 944 1982-85

Click 'Zoom in' to see the diagram.
Diagram ref no 8.

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

94410623705
94410623705

The product you are viewing cross references to these numbers
94410623707/1
Product Information
Product Information
Radiator hose bottom to water pump.

Fits:
Porsche 944 1985-91

Diagram ref no 8.

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

94410623707
94410623707

The product you are viewing cross references to these numbers
Special Order item
94410623907
Product Information
Product Information
Radiator top hose to thermostat tube.

porsche

Fits:
Porsche 944 1985-91

Click 'Zoom in' to see the diagram.
Diagram ref no 9.

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

94410623907
94410623907
94410623903

The product you are viewing cross references to these numbers
94410623907/1
Product Information
Product Information
Radiator tophose to thermostat tube.

oematch

Fits:
Porsche 944 1985-91

Click 'Zoom in'" to see the diagram.
Diagram ref no 9.

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

94410623907
94410623907
94410623903

The product you are viewing cross references to these numbers
Special Order item
95110624101
Product Information
Product Information
Radiator top hose to thermostat tube.

porsche

Fits:
Porsche 944 Turbo 1985-91

Click 'Zoom in' to see the diagram.
Diagram ref no 14.

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

95110624101
95110624101

The product you are viewing cross references to these numbers
95110624101/1
Product Information
Product Information
Radiator top hose to thermostat tube.

oematch

Fits:
Porsche 944 Turbo 1985-91

Click 'Zoom in' to see the diagram.
Diagram ref no 14.

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

95110624101
95110624101

The product you are viewing cross references to these numbers
Special Order item
94410623912
Product Information
Product Information
 Upper radiator top hose to cylinder head.

porsche

Fits:
Porsche 944 2.5L 1981-1985  Engine type: 4401 / 4402 / 4403 / 4404
M            >>   41D 1285
M            >>   41D 5164
M            >>   43D 3439
M            >>   43D 5517


Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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

94410623912
94410623912
94410623901

The product you are viewing cross references to these numbers
94410623912/1
Product Information
Product Information
 Upper radiator top hose to cylinder head.

oematch

Fits:
Porsche 944 2.5L 1981-1985  Engine type: 4401 / 4402 / 4403 / 4404
M            >>   41D 1285
M            >>   41D 5164
M            >>   43D 3439
M            >>   43D 5517


Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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

94410623912
94410623901
94410623912

The product you are viewing cross references to these numbers
Special Order item
94410623906/1
Product Information
Product Information
Water Coolant Top Hose.

 
porsche

Fits:

Porsche 944 S 2.5L 1987-85
Porsche 944 S2 3.0L 1989-91

Click "Zoom in" to see the diagram.
Diagram ref no 25.



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

94410623906
94410623906

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 19 products)
1 2
About Radiator Top / Bottom Hoses

Radiator Top & Bottom Hoses – Reliable Cooling for Porsche Performance

Radiator top and bottom hoses are vital components of your Porsche’s cooling system, responsible for transporting coolant between the radiator and the engine. The top hose carries hot coolant from the engine to the radiator for cooling, while the bottom hose returns the cooled fluid back to the engine, maintaining optimal operating temperatures for performance, efficiency, and reliability.

At Design911, we offer a full range of genuine and manufacturer-quality radiator top and bottom hoses for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each hose is precision-engineered for perfect fitment, high pressure tolerance, and exceptional heat resistance — ensuring reliable cooling under the most demanding driving conditions.

What Do Radiator Top and Bottom Hoses Do?

Coolant hoses are the lifelines of your Porsche’s cooling system, and the radiator hoses perform the following key functions:

  • Carry coolant between the radiator and the engine.
  • Regulate engine temperature for consistent performance.
  • Maintain coolant pressure throughout the cooling circuit.
  • Prevent overheating by ensuring efficient heat transfer.

Both the top and bottom hoses are designed to withstand high heat, vibration, and coolant pressure, providing dependable performance in every driving scenario.

Why Do Radiator Hoses Fail?

Over time, radiator hoses deteriorate due to heat, pressure, and exposure to coolant. Common causes of hose failure include:

  • Rubber cracking or hardening from continuous heat cycles.
  • Swelling or soft spots due to coolant chemical breakdown.
  • Leaks at hose ends or clamps from pressure loss.
  • Abrasion damage caused by engine vibration or contact.
  • Age-related material fatigue, especially in older vehicles.

Symptoms of hose failure include coolant leaks, visible cracks or bulges, fluctuating engine temperature, or a noticeable coolant smell in the engine bay.

Why Replace Faulty Radiator Hoses?

A leaking or weakened radiator hose can lead to overheating, coolant loss, and potential engine damage. Replacing these hoses as part of routine maintenance ensures consistent cooling performance and reliability.

Benefits of replacement include:

  • Restored coolant flow and temperature stability.
  • Prevention of leaks and overheating.
  • Improved cooling system pressure and performance.
  • Manufacturer-quality materials for long-term durability.

All radiator hoses in this range are made using reinforced, high-grade rubber and polymer compounds, designed to meet or exceed factory specifications for heat resistance, flexibility, and longevity.

You may also like
Popular Models