Water coolant top hose, feed. Porsche 95B.1 Macan 2.0L  ❭  95B122101K

Water coolant top hose, feed. Top of radiator
This Water Coolant Top Hose (Feed) is an OE Match radiator feed hose designed to replace the original upper coolant hose on the Porsche 95B Macan 2.0L. This hose is part of the top-end cooling circuit, directing hot coolant from the engine towards the radiator for heat dissipation.

Fits:
Porsche 95B.1 Macan 2.0L 2014 - 2018
  * Engine codes: CNC,CNCC, CYN,CYNA, CYNB,CYP, CYPA

Porsche 95B.2 Macan 2.0L 2019 - 2021
  * PR: T2G / T2G

Porsche 95B.23 Macan 2.0L 2022 >>
 * PR: T2G / T2G

Diagram ref no 16

The top coolant hose plays a vital role in the engine’s thermal management system, carrying coolant between the thermostat outlet and the top connection of the radiator. On turbocharged engines like the 2.0L Macan’s, coolant temperatures and pressure fluctuations can be more extreme, so this hose must meet high standards for durability, temperature resistance, and fluid compatibility.

The water coolant top (feed) hose:
•  Transports hot coolant from the engine to the radiator
•  Supports stable engine temperature regulation
•  Helps prevent overheating during load or high ambient conditions
•  Maintains correct coolant pressure and flow

A properly functioning top coolant hose ensures your engine operates within its designed temperature range, protecting internal components from thermal stress and wear.

Coolant hoses degrade over time due to heat cycles, pressure variations, and chemical exposure. A compromised top coolant hose can lead to:
•  Coolant leaks at connections or along the hose body
•  Reduced coolant flow and elevated engine temperature
•  Overheating under load or in high ambient conditions
•  Hose swelling, cracking, or collapse.

Replacing aged or damaged hoses with an OE Match part restores proper coolant circulation and helps protect your engine from heat-related failures.

Replace the top coolant hose if you notice:
•  Coolant stains or drips around hose ends
•  Swollen, soft, cracked, or brittle hose material
•  Coolant smell from the engine bay
•  Rising temperature gauge under load
•  During water pump, thermostat, or radiator service
•  Preventative maintenance on ageing vehicles

Related reference numbers
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95B122101K

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