Coolant Hose With Quick Release Coupling, LEFT. Porsche 9YA / 9YA.2 Cayenne 3.0L 2018>>  ❭  PAB122101

Coolant Hose With Quick Release Coupling, LEFT.
Maintain reliable engine cooling performance with the Coolant Hose with Quick Release Coupling, LEFT. This OE MATCH coolant hose is designed to transfer coolant efficiently between key cooling system components while featuring an integrated quick-release coupling for secure and precise connection.

Fits:

• Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 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 20

What This Product Does:

• Carries coolant between key cooling system components
• Helps maintain proper coolant circulation and temperature control
• Features a quick-release coupling for fast, secure hose connection
  
• Provides a leak-resistant seal under pressure
• Supports efficient cooling system operation and prevents overheating

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or quick-connect fitting
  
• Low coolant warning light
• Frequent coolant top-offs
• Engine overheating or rising temperature gauge
  
• Sweet coolant smell from the engine bay
  
• Steam from under the hood in severe cases
  
• Cracked, swollen, or brittle hose material
• Loose or improperly seated quick-release connection
• Coolant residue around the coupling area
  
• Connection popping loose under pressure (in advanced failure)
  
  

Why Replacement Matters:

• Replacing a worn coolant hose with a quick-release coupling is important because it ensures a secure, leak-free connection and proper coolant circulation throughout the cooling system. Over time, heat and pressure can cause the hose material to weaken, while the quick-connect coupling seals may wear out.
• If the hose or coupling fails, coolant can leak or the connection may loosen, leading to coolant loss, poor cooling system performance, and engine overheating. Even small leaks can reduce cooling efficiency and increase strain on other components.
• Installing a new hose helps restore proper coolant flow, maintains a tight coupling seal, prevents overheating, and protects the engine from costly damage.

Related reference numbers
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PAB122101

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