Door Handles | Locks | Keys

Door Lock LHD cars Porsche Boxster 987 / 997 / Cayman 



Fits:

• Porsche Boxster 987 2.7L 2005 -08/08
• Porsche Boxster 987 3.2/3.4L 2005-08/08
• Porsche Boxster 987 MKII 2.9L 2009-2012
• Porsche Boxster S 987 MKII 3.4L 2009-2012
• Porsche 997 Carrera 2 3.6L 2005>>
• Porsche 997 Carrera 2S 3.8L 2005>>
• Porsche 997 Carrera 4 3.6L 2005>>
• Porsche 997 Carrera 4S 3.8L 2005>>
• Porsche 997 TURBO 2007>>
• Porsche 997 GT3 2007>>
• Porsche 997 GT2 2007>>
• Porsche 997 MKII Carrera C2 3.6L 2009>>
• Porsche 997 MKII Carrera C4 3.6L 2009>>
• Porsche 997 MKII Carrera C2S 3.8L 2009>>
• Porsche 997 MKII Carrera C4S 3.8L 2009>>
• Porsche 997 MKII GT3 2010>>
• Porsche 997 MKII Turbo 2009>>
• Porsche 997 MKII GT2 RS 2011>>
• 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

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3D183701

The product you are viewing cross references to these numbers

Door Lock LHD cars Porsche Boxster 987



Fits:

• Porsche Boxster 987 2.7L 2005 -08/08
• Porsche Boxster 987 3.2/3.4L 2005-08/08
• Porsche Boxster 987 MKII 2.9L 2009-2012
• Porsche Boxster S 987 MKII 3.4L 2009-2012
• Porsche 997 Carrera 2 3.6L 2005>>
• Porsche 997 Carrera 2S 3.8L 2005>>
• Porsche 997 Carrera 4 3.6L 2005>>
• Porsche 997 Carrera 4S 3.8L 2005>>
• Porsche 997 TURBO 2007>>
• Porsche 997 GT3 2007>>
• Porsche 997 GT2 2007>>
• Porsche 997 MKII Carrera C2 3.6L 2009>>
• Porsche 997 MKII Carrera C4 3.6L 2009>>
• Porsche 997 MKII Carrera C2S 3.8L 2009>>
• Porsche 997 MKII Carrera C4S 3.8L 2009>>
• Porsche 997 MKII GT3 2010>>
• Porsche 997 MKII Turbo 2009>>
• Porsche 997 MKII GT2 RS 2011>>
• 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

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3D183701

The product you are viewing cross references to these numbers

Left Hand Drive (LHD) Front Drivers Door Lock Mechanism

This LHD front drivers 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

Fits:

• Porsche 971.1 – LHD Drivers Side with Option Codes L0L, GZ0, 4F2, 4I6 04.07.2016>>
• Porsche 971.2 – LHD Drivers Side with Option Codes GZ0, L0L, 4F2,4I6,8QK
• Porsche 976 Panamera – LHD Drivers Side
• Porsche 981 Boxster – LHD Drivers Side with Option Codes 098, -072, -533, IY2
• Porsche 981 Cayman – LHD Drivers Side with Option Codes 098, -072, -533, IY2
• Porsche 981 Cayman GT4 – LHD Drivers Side with option Code 098, 534
• Porsche 981 Boxster Spyder – LHD Drivers Side with Option Code 098, 534
• Porsche 718 Boxster – LHD Drivers Side
• Porsche 718 Cayman – LHD Drivers Side
• Porsche 718 Boxster Spyder – LHD with Option Codes 534, 098, 450, -094
• Porsche 718 Cayman GT4 – LHD Left
• Porsche 992.1 – LHD Drivers Side with Option Codes 098, IY2, 2015>>
• Porsche 991.2 – LHD Drivers Side with Option Codes 098, -072, -533, -250 (for Manual gearbox)
• Porsche 991 GT3 – LHD Drivers Side 2015>>
• Porsche 992 GT3 / GT3 RS / ST – LHD Drivers Side
• Porsche 9YA Cayenne - LHD Drivers Side with Option Codes L0L, GZ0,4F2, 4I6
• Porsche 95B.1 Macan – LHD Drivers Side 20.06.2016>>
• Porsche 95B.2 – LHD Drivers Side with Option Code L0L

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 Drivers 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  drivers 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 drivers 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

• OEM-equivalent replacement door lock mechanism
• Restores secure front drivers door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721505

The product you are viewing cross references to these numbers

Left Hand Drive (LHD) Front Drivers Door Lock Mechanism

This LHD front drivers 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

Fits:

• Porsche 971.1 – LHD Drivers Side with Option Codes L0L, GZ0, 4F2, 4I6 04.07.2016>>
• Porsche 971.2 – LHD Drivers Side with Option Codes GZ0, L0L, 4F2,4I6,8QK
• Porsche 976 Panamera – LHD Drivers Side
• Porsche 981 Boxster – LHD Drivers Side with Option Codes 098, -072, -533, IY2
• Porsche 981 Cayman – LHD Drivers Side with Option Codes 098, -072, -533, IY2
• Porsche 981 Cayman GT4 – LHD Drivers Side with option Code 098, 534
• Porsche 981 Boxster Spyder – LHD Drivers Side with Option Code 098, 534
• Porsche 718 Boxster – LHD Drivers Side
• Porsche 718 Cayman – LHD Drivers Side
• Porsche 718 Boxster Spyder – LHD with Option Codes 534, 098, 450, -094
• Porsche 718 Cayman GT4 – LHD Left
• Porsche 992.1 – LHD Drivers Side with Option Codes 098, IY2, 2015>>
• Porsche 991.2 – LHD Drivers Side with Option Codes 098, -072, -533, -250 (for Manual gearbox)
• Porsche 991 GT3 – LHD Drivers Side 2015>>
• Porsche 992 GT3 / GT3 RS / ST – LHD Drivers Side
• Porsche 9YA Cayenne - LHD Drivers Side with Option Codes L0L, GZ0,4F2, 4I6
• Porsche 95B.1 Macan – LHD Drivers Side 20.06.2016>>
• Porsche 95B.2 – LHD Drivers Side with Option Code L0L

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 Drivers 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  drivers 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 drivers 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

• OEM-equivalent replacement door lock mechanism
• Restores secure front drivers door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721505

The product you are viewing cross references to these numbers

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

Fits:

• Porsche 971.1 – LHD Passenger Side with Option Codes L0L, GZ0, 4F2, 4I6
• Porsche 971.2 – LHD Passenger Side with Option Codes GZ0, LOL, 4F2,4I6,8QK
• Porsche 976 Panamera – LHD Passenger Side
• Porsche 718 Boxster – LHD Passenger Side
• Porsche 718 Cayman – LHD Passenger Side
• Porsche 718 Cayman GT4 – LHD Left
• Porsche 9YA Cayenne - LHD Passenger Side with Option Codes LOL, GZ0,4F2, 4I6
• Porsche 95B.1 Macan – LHD Passenger Side
• Porsche 95B.2 – LHD Passenger Side with Option Code L0L
• Porsche 991.2 – LHD Passenger Side with Option Codes 098, -072, -533, -250 (for Manual gearbox)
• Porsche 991 GT3 – LHD Passenger Side
• Porsche 992 GT3 / GT3 RS / ST – LHD Passenger Side
• Porsche 981 Cayman GT4  – LHD Passenger Side with option Code 098, 534
• Porsche 981 Boxster Spyder – LHD Passenger Side with Option Code 098, 534

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

• OEM-equivalent replacement door lock mechanism
• Restores secure front passenger door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721605

The product you are viewing cross references to these numbers

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

Fits:

• Porsche 971.1 – LHD Passenger Side with Option Codes L0L, GZ0, 4F2, 4I6
• Porsche 971.2 – LHD Passenger Side with Option Codes GZ0, LOL, 4F2,4I6,8QK
• Porsche 976 Panamera – LHD Passenger Side
• Porsche 718 Boxster – LHD Passenger Side
• Porsche 718 Cayman – LHD Passenger Side
• Porsche 718 Cayman GT4 – LHD Left
• Porsche 9YA Cayenne - LHD Passenger Side with Option Codes LOL, GZ0,4F2, 4I6
• Porsche 95B.1 Macan – LHD Passenger Side
• Porsche 95B.2 – LHD Passenger Side with Option Code L0L
• Porsche 991.2 – LHD Passenger Side with Option Codes 098, -072, -533, -250 (for Manual gearbox)
• Porsche 991 GT3 – LHD Passenger Side
• Porsche 992 GT3 / GT3 RS / ST – LHD Passenger Side
• Porsche 981 Cayman GT4  – LHD Passenger Side with option Code 098, 534
• Porsche 981 Boxster Spyder – LHD Passenger Side with Option Code 098, 534

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

• OEM-equivalent replacement door lock mechanism
• Restores secure front passenger door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721605

The product you are viewing cross references to these numbers

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

Fits:

• Porsche 971.2 - Drivers Side – LHD Option Codes GZ0, LOL, 4F6, 4I8, 8QD
• Porsche 976 Panamera – LHD Front Passenger Side
• Porsche 718 Boxster – LHD Passenger Side
• Porsche 718 Cayman – LHD Passenger Side
• Porsche 9YA Cayenne - LHD Passenger Side with Option Codes LOL, GZ0,4F6, 4I8
• Porsche 991.2 – LHD Passenger Side with Option Codes 072, 533, -250 (for Manual gearbox)
• Porsche 991 turbo – LHD Passenger side with Option Codes 072, 553 (Mexico, USA and Canada)
• Porsche 991 GT3 – LHD Passenger Side with Option Codes 072, 074, 075, 094, 486, 553, 098
• Porsche 992 GT3 / GT3 RS / ST – LHD Passenger Side
• Porsche 981 Boxster Spyder – LHD Passenger Side with Option Codes 072, 534, 098, 533
• Porsche 981 Cayman GT4 – with option Code 534

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

• OEM-equivalent replacement door lock mechanism
• Restores secure front passenger door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721606

The product you are viewing cross references to these numbers

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

Fits:

• Porsche 971.2 - Drivers Side – LHD Option Codes GZ0, LOL, 4F6, 4I8, 8QD
• Porsche 976 Panamera – LHD Front Passenger Side
• Porsche 718 Boxster – LHD Passenger Side
• Porsche 718 Cayman – LHD Passenger Side
• Porsche 9YA Cayenne - LHD Passenger Side with Option Codes LOL, GZ0,4F6, 4I8
• Porsche 991.2 – LHD Passenger Side with Option Codes 072, 533, -250 (for Manual gearbox)
• Porsche 991 turbo – LHD Passenger side with Option Codes 072, 553 (Mexico, USA and Canada)
• Porsche 991 GT3 – LHD Passenger Side with Option Codes 072, 074, 075, 094, 486, 553, 098
• Porsche 992 GT3 / GT3 RS / ST – LHD Passenger Side
• Porsche 981 Boxster Spyder – LHD Passenger Side with Option Codes 072, 534, 098, 533
• Porsche 981 Cayman GT4 – with option Code 534

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

• OEM-equivalent replacement door lock mechanism
• Restores secure front passenger door locking
• Compatible with central locking systems
• Eliminates intermittent or failed lock action
• Suitable for multiple Porsche models (Macan, Panamera, 718, 981, 991, Cayenne)
• Improves convenience, security and reliability       

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A783721606

The product you are viewing cross references to these numbers

Door lock pivot lever.



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

Door Lock RHD / RIGHT SIDE Cars



Fits:
Porsche Boxter 986 >>1997
(For early 1997 models)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3B2837016A

The product you are viewing cross references to these numbers

Door Lock RHD / RIGHT SIDE Cars



Fits:
Porsche Boxter 986 1998 >>Onwards
(not early 1997 models)

Porsche 996 1998-05

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

8N2837016B

The product you are viewing cross references to these numbers

Door Lock RHD / RIGHT SIDE Cars



Fits:
Porsche Boxter 986 1998 >>Onwards
(not early 1997 models)

Porsche 996 1998-05

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

8N2837016B

The product you are viewing cross references to these numbers

Door Lock RHD / LEFT SIDE Cars



Fits:
Porsche Boxter 986 >> 1997

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3B2837015A

The product you are viewing cross references to these numbers

Door Lock RHD / LEFT SIDE Cars



Fits:
Porsche Boxster 986 1998 >>Onwards

Porsche Boxster Upto 1997
(With M534/M535 Theft Security System)

Porsche 996 Upto >>2001
(Without M534/M535 Theft Security System)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

8N2837015B

The product you are viewing cross references to these numbers

Door Lock RHD / LEFT SIDE Cars With M534/M535 Theft Security System



Fits:
Porsche Boxster 986 1998 >>Onwards

Porsche Boxster Upto 1997
(With M534/M535 Theft Security System)

Porsche 996 Upto >>2001
(Without M534/M535 Theft Security System)

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8N2837015B

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Door Lock RHD / LEFT SIDE Cars



Fits:
Porsche Boxster 986 1998 >>Onwards
(With M534/M535 Theft Security System)

Porsche 996 1998-05
(With M534/M535 Theft Security System)

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3B2837015F

The product you are viewing cross references to these numbers