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Radiator Top / Bottom Hoses
The Coolant Hose – Feed is a genuine Porsche cooling system component designed to deliver coolant through the engine’s feed circuit. This hose ensures that coolant is supplied efficiently to key engine and radiator components, helping maintain stable operating temperatures and overall cooling system performance.
Fits:
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 10
What This Product Does:
- Supplying coolant to essential engine cooling components
- Maintaining consistent coolant circulation
- Supporting correct cooling system pressure
- Helping regulate engine operating temperature
- Preventing overheating during daily and high-load driving
Symptoms Of Wear Or Failure:
- Coolant leaks near the hose or connection points
- Cracked, brittle, swollen, or softened 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 clamps or fittings
Why Replacement Matters:
- Prevent sudden coolant leaks and breakdowns
- Maintain proper coolant flow and temperature regulation
- Protect engine components from heat damage
- Restore reliable cooling system performance
- Avoid costly repairs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101B
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
The Coolant Hose – Feed is a OE MATCH cooling system component designed to deliver coolant through the engine’s feed circuit. This hose ensures that coolant is supplied efficiently to key engine and radiator components, helping maintain stable operating temperatures and overall cooling system performance.
Fits:
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 10
What This Product Does:
- Supplying coolant to essential engine cooling components
- Maintaining consistent coolant circulation
- Supporting correct cooling system pressure
- Helping regulate engine operating temperature
- Preventing overheating during daily and high-load driving
Symptoms Of Wear Or Failure:
- Coolant leaks near the hose or connection points
- Cracked, brittle, swollen, or softened 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 clamps or fittings
Why Replacement Matters:
- Prevent sudden coolant leaks and breakdowns
- Maintain proper coolant flow and temperature regulation
- Protect engine components from heat damage
- Restore reliable cooling system performance
- Avoid costly repairs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122101B
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
The Coolant Hose – Return is a genuine Porsche cooling system component designed to carry coolant back through the cooling circuit after it has absorbed heat from the engine. As a return hose, it plays a key role in completing the cooling loop and ensuring efficient heat exchange through the radiator system.
Fits:
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 12
What This Product Does:
- Carrying heated coolant back through the cooling system
- Maintaining consistent coolant circulation
- Supporting correct cooling system pressure
- Helping regulate engine operating temperature
- Ensuring efficient heat dissipation
Symptoms Of Wear Or Failure:
- Coolant leaks near the hose or connection points
- Cracked, brittle, swollen, or softened 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 clamps or fittings
Why Replacement Matters:
- Prevent sudden coolant leaks and breakdowns
- Maintain proper coolant circulation and temperature control
- Protect engine components from heat damage
- Restore reliable cooling system performance
- Avoid costly repairs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121109B
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
The Coolant Hose – Return is a OE MATCH cooling system component designed to carry coolant back through the cooling circuit after it has absorbed heat from the engine. As a return hose, it plays a key role in completing the cooling loop and ensuring efficient heat exchange through the radiator system.
Fits:
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 12
What This Product Does:
- Carrying heated coolant back through the cooling system
- Maintaining consistent coolant circulation
- Supporting correct cooling system pressure
- Helping regulate engine operating temperature
- Ensuring efficient heat dissipation
Symptoms Of Wear Or Failure:
- Coolant leaks near the hose or connection points
- Cracked, brittle, swollen, or softened 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 clamps or fittings
Why Replacement Matters:
- Prevent sudden coolant leaks and breakdowns
- Maintain proper coolant circulation and temperature control
- Protect engine components from heat damage
- Restore reliable cooling system performance
- Avoid costly repairs caused by overheating
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B121109B
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Shop Securely
12 Month Warranty
Worldwide Delivery
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.
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Saturday: Closed
Sunday: Closed