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Product Information
Product Information
Return Line For Power Steering Oil Cooler.
The OE MATCH Return Line for Power Steering Oil Cooler is a hydraulic hose designed to return cooled power steering fluid from the oil cooler back into the steering system. This return line plays a vital role in maintaining efficient hydraulic fluid circulation and consistent power steering performance.  

Fits:
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  
Diagram Ref No 9

Constructed from high-quality reinforced hose with precision-engineered OE fittings, the return line is designed to withstand continuous hydraulic pressure, temperature fluctuations, engine vibration and exposure to power steering fluid. 

What This Product Does:  
  • Returns cooled power steering fluid from the oil cooler to the steering system.
  • Maintains continuous hydraulic fluid circulation.
  • Helps regulate power steering fluid temperature.
  • Supports smooth and consistent steering assistance.
  • Provides a secure, leak-free hydraulic connection.
  • Protects the power steering pump from overheating.
  • Ensures correct routing of hydraulic fluid.
  • Forms an essential part of the power steering cooling system.

Symptoms Of Wear Or Failure:
  • Power steering fluid leaks.
  • Low power steering fluid level.
  • Whining or groaning noise from the power steering pump.
  • Heavy or inconsistent steering.
  • Visible cracks or deterioration of the hose.
  • Fluid residue around hose connections.
  • Overheating power steering fluid.
  • Air entering the hydraulic system.
  • Steering assistance becoming intermittent.
  • Warning messages relating to the steering system where applicable.

Why Replacement Matters:

  • The power steering return line operates continuously in a demanding environment, where it is exposed to hydraulic fluid, heat, pressure fluctuations and engine vibration. Over time, the hose material can deteriorate, while seals and fittings may weaken, leading to fluid leaks or reduced flow.
  • A leaking or restricted return line can reduce the cooling efficiency of the power steering system, causing elevated fluid temperatures and increased wear on the power steering pump and steering rack. Continued operation with low fluid levels can lead to noisy steering, reduced steering assistance and potentially expensive hydraulic system repairs.
  • Replacing a worn or damaged return line restores proper hydraulic fluid circulation and helps maintain efficient cooling of the power steering system.



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97034724103
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