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- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Porsche Cayenne Door Lock Module - for Left Hand Drive (LHD)
The Door Lock Modules are
essential electronic-mechanical units responsible for locking, unlocking and
securing the doors on Porsche Cayenne 955 and 957 models.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
4K0 - Central-locking system with remote and interior operation
L0L - Left Hand Drive version
Diagram ref no 12
These modules control central locking functions, interior locking switches, key fob response, and vehicle security features. When they start to fail, owners experience everything from random locking behaviour to doors that refuse to open at all.
This replacement module offers dependable performance and restores proper locking functionality without relying on original manufacturer terminology. Designed to match the dimensions and electrical behaviour of the original component, it ensures smooth installation and reliable operation—ideal for aging Cayenne models where lock failures have become increasingly common.
What Door Lock Modules Do
Door lock modules are responsible for regulating several vehicle functions:
Primary Functions
- Locking
and unlocking doors electronically
- Actuating the central locking system
- Processing key fob and interior switch signals
- Engaging the deadlock/anti-theft mechanism
- Ensuring doors latch securely while driving
- Supporting comfort access features (if equipped)
Without a functioning lock module, the door may not latch, may unlock unexpectedly, or may stay permanently locked.
Why Door Lock Modules Fail
Over time, the Porsche Cayenne (especially early 955/957 models) is known to suffer from lock actuator issues due to wear, aging electronics and environmental exposure.
Common Failure Causes
- Internal
motor wear from repeated locking cycles
- Moisture
intrusion leading to corrosion
- Electrical
circuit degradation with age
- Temperature
fluctuations weakening internal components
- Broken
micro-switches used for door position sensing
- Gear
wear inside the actuator mechanism
- Faulty connector pins causing intermittent operation
Symptoms include:
- Door won’t lock or unlock
- Random self-locking
- Key fob intermittent response
- Door cannot be opened from inside or outside
- Alarm triggers unexpectedly
These issues are extremely common on older Cayenne models, often requiring a full lock module replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95553101
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Sold individually; fits left or right side.
Fits:
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08
Porsche 987-2 Boxster 2009-12
Porsche 987-2 Cayman 2009-12
Porsche 997-1 Carrera 2005-08
Porsche 997-2 Carrera 2009-12
Porsche 997-1 Turbo 2007-09
Porsche 997-2 Turbo 2010-13
Porsche 997-1 GT2 2008-09
Porsche 997-2 GT2 RS 2011
Porsche 997-1 GT3 / RS 2007-09
Porsche 997-2 GT3 / RS 2010-11
Diagram ref. 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761312502
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987 Boxster / Boxster S MKI & MKII 2005-12
Porsche 987C Cayman / Cayman S MKI & MKII 2006-13
Porsche 997 MKI C2 / C4 / C2S / C4S 2005-08
Porsche 997 MKII C2 / C4 / C2S / C4S 2009-12 Coupe / Cabrio
Porsche 997 MKII C4 / C4S 2009-12 Targa
Porsche 997 Turbo 2007-09 Coupe / Cabrio
Porsche 997 GT3 2007-11
Please note: Also use cable: 99753731903 (1 QTY).
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99755538
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987 Boxster 2005-08
Porsche 987 Cayman 2005-08
Porsche 987 Cayman 2009-12
Porsche 997 2005-08 All models
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753731901
The product you are viewing cross references to these numbers