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Porsche // Cayenne 9PA (955) 2003-2006 // 955 Cayenne 3.2L V6 2003-06
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Left Hand Drive (LHD) Front Passenger Door Lock Mechanism
This LHD front passenger door lock mechanism is a direct replacement part designed to restore secure locking and proper door
operation for the left-hand drive, front passenger door on a wide range of
Porsche models. It is engineered to meet or exceed OEM specifications for
fitment, durability and performance.
Please check part number on the original lock mechanism
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Diagram Ref No 14
This mechanism works with the vehicle’s central locking system and door latch hardware to ensure secure door closure, correct electrical unlocking and reliable function every time you enter or exit the vehicle.
What the Front Passenger Door Lock Mechanism Does
The door lock mechanism is an essential component of your
Porsche’s door security and access system. It performs key functions such as:
- Securing the front passenger door when locked via key fob, interior switch or automatic lock
- Engaging and releasing the latch during door opening and closing
- Communicating with central locking to synchronise all vehicle doors
- Ensuring proper alignment between the door and striker plate
- Maintaining weather and vibration-resistant closure
In modern Porsches, this mechanism often includes electronic actuation combined with mechanical latch elements, ensuring responsive and quiet operation.
Why Door Lock Mechanisms Fail
Door lock mechanisms can wear out or malfunction due to both
mechanical and electrical factors:
- Actuator motor fatigue from frequent use
- Internal gear wear and plastic component degradation
- Corrosion or water ingress over time
- Misalignment or sagging from hinge wear
- Wiring or connector failure in central locking circuits
- Physical stress from rough operation or impact
Common signs of a failing door lock mechanism include:
- Door not locking or unlocking reliably with key fob or interior switch
- Door stays locked/unlocked intermittently
- Unusual clicking, grinding or buzzing noises when locking/unlocking
- Alarm triggering without cause
- Door not latching securely when shut
Because this mechanism works closely with the vehicle’s central locking and alarm systems, failures can impact security, convenience and peace of mind.
When You Should Replace It
You should consider replacing the front passenger door lock
mechanism if:
- You experience intermittent or failed locking/unlocking
- The door won’t latch securely or opens unexpectedly
- The central locking system shows fault codes related to door circuits
- Audible actuator noises occur without door action
- You are repairing a vehicle that has been water-damaged or has corroded lock parts
Prompt replacement restores proper security, consistent lock performance and seamless integration with your Porsche’s locking and alarm systems.
Key Benefits at a Glance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A783721606
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
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Fits:
Porsche 955 Cayenne 2003-06
Diagram ref no 4.
Related reference numbers
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95553288
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Fits: Left or right side. Sold each.
Fits:
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Porsche 957 Cayenne 2007-10
with Option code:
QJ4 - Aluminium package, Black
4K0 - Central-locking system with key remote and interior operation
4K3 - Central locking with remote control, inner release and safe lock system
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95553103201G2X
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Fits:
For cars with Porsche entry + driver (I4F2)
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Diagram ref no 12
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95553101
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Fits:
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Click 'Zoom in' for large parts diagram.
Diagram ref no 16
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95553308500
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