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Return Line For Power Steering Oil Cooler. Porsche 970.1 Panamera 2009-13 ❭ 97034724103
- 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
The Porsche Return Line for Power Steering Oil Cooler is a genuine Porsche hydraulic hose designed to return cooled power steering fluid from the oil cooler back into the steering system. Manufactured to Porsche's exact specifications for fit, pressure resistance and durability, 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. Its factory-moulded design ensures accurate routing, secure installation and leak-free operation, helping to protect the power steering system from premature wear.
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. A genuine Porsche replacement guarantees factory-correct fitment, premium materials and long-lasting reliability, ensuring precise steering feel, dependable performance and the high driving standards expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97034724103
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Power Steering Pump Line.
Fits:
Porsche 964 1989-94
Diagram ref no 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434744705
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93

To Fit:
Porsche 911 (964 Turbo) 1990-1994 3.3L turbo engines
DO88 hoses are entirely manufactured in high quality silicone for best finish and durability. With three to five layers of reinforcement depending of the inner diameter, the hoses withstand high pressure rates and high temperatures for a long time. The original hoses are manufactured in rubber that often cracks from age. This is a durable solution that in addition improves the looks!
Hoses included:
• Power steering hose Reference: 96534744500
All part numbers from the vehicle manufacturer are only stated as reference.
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
DO88-KIT162S
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

To Fit:
Porsche 964 Turbo 3.3L / 3.6L 1990-1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96534744500
The product you are viewing cross references to these numbers
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