Power steering pump. Porsche 955 Cayenne 3.2L / 957 Cayenne 3.6L / 958 Cayenne 3.6L  ›  95531405005

This OE Match hydraulic steering pump is listed for Porsche Cayenne 955 3.2L, 957 3.6L and 958 3.6L applications. It supplies hydraulic pressure for steering assistance.

Fits

Porsche 955 Cayenne 3.2L / 958 Cayenne 3.6L

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no 6

What This Product Does

The pump pressurises steering fluid so the hydraulic system can assist the driver's input. Its operation depends on a suitable fluid supply and correctly functioning hoses, connections and drive components.

Functions

• Generates pressure within the hydraulic steering circuit.
• Supplies fluid to support steering assistance.
• Helps reduce the effort needed to turn the steering wheel.
  
  

Technical Details

• Brand: OE Match.
• Supplied part references: 95531405004 and 95531405005
  
  

Symptoms of Fault

A worn or leaking pump may produce a whine or groan, increased steering effort, inconsistent assistance or visible fluid loss around the unit. Aerated fluid can also accompany steering-system problems. These signs do not establish pump failure on their own: insufficient fluid, a slipping belt or air entering through a hose can produce similar effects.

Why Replacement Matters

Renewal may be appropriate when inspection confirms internal wear, leakage or inadequate hydraulic output. Identifying the underlying cause before installation helps avoid repeating the same fault. OE Match's Porsche-focused replacement programme uses application and original-reference checks to guide component selection.

FAQs

Does steering noise always indicate a defective pump?
No. Inspect the fluid supply, drive belt and hose connections before deciding which component needs replacement.

Should the reservoir or filter also be checked?
Yes, particularly if contamination is present. Assess the reservoir and any associated filtration as part of the repair.

What supporting work should be considered?
Follow the vehicle-specific flushing, filling and bleeding procedure. Inspect connecting hoses, seals and the belt, renewing worn items as required.