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Product Information
Product Information
Water Coolant Top Hose Supply.

Maintain reliable engine cooling performance with the Water Coolant Top Hose Supply. This OE MATCH upper supply hose is designed to deliver coolant to key cooling system components, ensuring proper circulation and effective temperature regulation.

Fits:

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Diagram Ref No 11 

What This Product Does:
  • Supplies coolant to critical cooling system components
  • Maintains proper coolant circulation
  • Supports heat transfer and temperature regulation
  • Helps prevent overheating by ensuring steady coolant flow
  • Contributes to overall cooling system efficiency

Symptoms Of Wear Or Failure:
  • Coolant leaks in the engine bay or under the vehicle
  • 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
  • Bulging or swelling due to internal weakening
  • Soft, spongy, or brittle hose texture
  • Coolant residue or dampness around hose clamps or fittings

Why Replacement Matters:
  • Replacing a worn top coolant supply hose is important because it ensures coolant is delivered properly throughout the engine cooling system. Over time, heat and pressure can weaken the hose, leading to cracks, leaks, or sudden failure.
  • If the hose fails, coolant loss can reduce circulation and cause the engine to overheat, potentially leading to serious and costly engine damage. Even small leaks can lower coolant levels and reduce cooling efficiency.
  • Installing a new hose helps prevent leaks, restores reliable coolant flow, and protects the engine by maintaining proper cooling system performance.



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95810640200

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