Car Door Handles, Locks and Actuators

Introduction:

As a critical component of vehicle security, car door locks ensure that passengers and belongings stay safe inside the vehicle. The quality and durability of a car door lock system contribute significantly to the overall security, ease of use, and longevity of a vehicle. This article covers everything you need to know about car door locks, including their function, structure, manufacturing, and maintenance, and explains why PERFECTRAIL’s door handles, locks and actuators for Land Rover are a top choice.

1. How Car Door Locks Work and Their Importance

   Car door locks are essential for vehicle security, preventing unauthorized entry and securing passengers inside. Modern car door lock systems use electrical actuators to lock and unlock doors at the push of a button, whether on the key fob, inside the car, or from a remote location via a connected app.

   Main Functions:

   • Vehicle Security: Car door locks keep unwanted intruders out and help protect the vehicle’s contents.
   • Passenger Safety: Locks prevent accidental door openings while driving, ensuring safety for children and pets.
   • Convenience: Automatic locks controlled by a remote or keyless entry provide added convenience for users.

    

2. Key Structure and Components of Car Door Locks

   A typical car door lock system consists of multiple components that work together to ensure secure and smooth operation:

   • Lock Cylinder: The physical locking mechanism, usually connected to the key slot.
   • Door Latch: Holds the door closed and keeps it shut until the handle is pulled.
   • Actuator: The electronic component that powers the lock mechanism, allowing doors to lock and unlock at the push of a button.
   • Connecting Rods and Levers: Transfer the locking and unlocking motion from the actuator to the door latch.
   • Door Handle: The external and internal handles that allow the door to be opened when the lock is disengaged.

   Each of these components must function precisely for a car door lock to operate efficiently and reliably over time.

3. Production Process of Car Door Locks

   The manufacturing process of car door locks is critical in determining their durability and security. The following are the main steps in producing a high-quality door lock:

   1. Material Selection: High-strength metals and durable plastics are chosen to withstand wear and tear.
   2. Precision Machining: Components are shaped and sized to exact specifications, ensuring smooth operation.
   3. Assembly: The lock cylinder, actuator, latch, and connecting rods are assembled with care to ensure durability.
   4. Quality Testing: Each lock undergoes rigorous testing to check for resistance to forced entry, long-term durability, and smooth operation.
   5. Coating and Finishing: Anti-corrosion coatings are applied to metal parts to prevent rust and ensure longevity.

   These production steps are vital for creating reliable door locks that can withstand years of use and varying weather conditions.

4. Common Car Door Lock Issues and Maintenance Tips

   Despite their durability, car door locks can encounter issues over time, especially with frequent use. Here are some common problems and maintenance tips:

   • Jammed Lock Cylinder: Often caused by dust or debris buildup, making it difficult to insert or turn the key.
   • Worn Actuator: Over time, actuators may fail, causing the lock to function inconsistently.
   • Corrosion and Rust: Moisture can lead to rust, affecting the lock’s smooth operation and lifespan.
   • Faulty Wiring: In electronic lock systems, damaged wiring can cause the actuator to malfunction.

   Maintenance Tips:

   • Regular Cleaning: Keep the lock cylinder clean by using compressed air to remove dust and debris.
   • Lubrication: Apply a suitable lubricant to the lock cylinder to ensure smooth key movement.
   • Actuator Replacement: If the actuator begins to fail, it’s best to replace it promptly to avoid further issues.
   • Check for Corrosion: Regularly inspect metal parts for rust, especially in humid or salt-prone environments.

   Proper maintenance extends the life of car door locks and ensures they perform reliably over time.

5. Advantages of PERFECTRAIL Car Door Locks and Actuators for Land Rover

   PERFECTRAIL specializes in high-quality Land Rover parts, offering advanced car door locks and actuators. Here’s why PERFECTRAIL is an ideal choice for Land Rover owners and service providers:

   Feature	Benefit
   OEM Standards	Ensures perfect compatibility and fit for Land Rover models.
   High-Grade Materials	Provides excellent durability and resistance to wear.
   State-of-the-Art Manufacturing	Guarantees high precision and quality for seamless function.
   Thorough Quality Control	Each lock undergoes stringent tests to meet performance standards.
   Comprehensive Range	Wide selection to fit various Land Rover models and needs.

   PERFECTRAIL’s commitment to excellence and quality control makes it a top choice for Land Rover door handles, locks and actuators, providing customers with dependable performance and peace of mind.

   Product Name	OEM NO.	Car Model
   DOOR LATCH	LR011275  FQJ500420  FQJ000207 FQJ000205	RANGE ROVER SPORT 05-13 RANGE ROVER EVOQUE 11- LR3 04-09 LR4 10-16 FREELANDER 2 06-14
   DOOR LATCH	LR011302     LR011277       LR072414 FQM000145 FQM000144 FQM000146 FQM000148 FQM500360 FQM500320	RANGE ROVER SPORT 05-13
   DOOR LATCH	LR011303    FQM500330 FQM500370 FQM000158 FQM000156 FQM000155 FQM000154	RANGE ROVER SPORT 05-13
   DOOR LATCH	LR074984 8X2A-21813-AD	RANGE ROVER EVOQUE 13
   DOOR LATCH	LR091525 8X2A-21812-AC	RANGE ROVER EVOQUE 14
   DOOR LATCH	6H52-16700-AD	RANGE ROVER SPORT 10-13 FREELANDER 2.2 TD4 07
   DOOR HANDLE	LR019764 LR020810	DISCOVERY 4 10-14 RANGE ROVER SPORT 10-16
   DOOR HANDLE	LR020928 LR019308	DISCOVERY 4 10-14 RANGE ROVER SPORT 10-16
   DOOR HANDLE	LR040667	RANGE ROVER EVOQUE 13-
   DOOR LATCH	LR014101 LR014100	DISCOVERY 4 2010- RANGE ROVER SPORT 2010-2013 RANGE ROVER EVOQUE
   DOOR LATCH	LR013892 LR013890	DISCOVERY 4 2010- RANGE ROVER SPORT 2010-2013 RANGE ROVER EVOQUE
   LOCK ACTUATOR	5H32431B60AC	RANGE ROVER SPORT 2007-2010
   DOOR LOCK	LR063609 LR063611	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	LR063628	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	LR063616 LR039013 LR048246 LR064798	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	LR063619 LR053694 LR064803	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	LR048261 LR053704 LR064806	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	LR048267 LR053696 LR064804	Range Rover Sport 14- Range Rover 13-
   DOOR LOCK	3955037 3955038	DEFENDER 90-97
   DOOR LATCH	LR012791(FRONT LEFT)	RANGE ROVER 03-12
   DOOR LATCH	LR013380(FRONT RIGHT)	RANGE ROVER 03-12
   DOOR LOCK	FQJ500340	DEFENDER 07-
   DOOR LOCK	FUB500060	DEFENDER 07-
   DOOR LOCK	FQJ500240	DEFENDER 07-
   DOOR LATCH	LR014184 LR008546 LR016678	RANGE ROVER SPORT 05-11 RANGE ROVER EVOQUE 11-
   DOOR LATCH	LR049494 LR030192 LR051454 LR025420	RANGE ROVER EVOQUE 12-
   DOOR LATCH	FQJ500310 FQJ500450 LR011280 LR074987	RANGE ROVER SPORT 07-13
   DOOR LATCH	FQJ500300 FQJ500440 LR011278 LR074973	RANGE ROVER SPORT 07-13
   DOOR LATCH	FQM500210 FQM500350 LR011305	RANGE ROVER SPORT 08-13
   DOOR LATCH	FQM500340 LR011304 LR077830	RANGE ROVER SPORT 08-13
   DOOR LATCH	LR013801 LR074984	Range Rover Sport  L320(07-09) LR2(09-12) LR3(08-09) LR4(10-12)
   DOOR LATCH	LR013800 LR076051	Range Rover Sport  L320(07-09) LR2(09-12) LR3(08-09) LR4(10-12)
   DOOR LATCH	LR013893 LR077832	Range Rover Sport  L320(07-09) LR2(09-12) LR3(08-09) LR4(10-12)
   DOOR LATCH	LR013891 LR077829	Range Rover Sport  L320(07-09) LR2(09-12) LR3(08-09) LR4(10-12)
   DOOR LATCH	FQR500080 FQR500220 LR017470	Discovery 3/LR3 (05-09) Discovery 4/LR4(10-UP)
   DOOR LATCH	FQR500170	Range Rover Sport (06-12)
   DOOR LATCH	LR065340	LR2 2008-2018 LR3 / Discovery 3 2005-2009 LR4 / Discovery 4 2010-2018 Range Rover Sport 2006-2012
   LOCK ACTUATOR	FUD500020 FUD500030	DEFENDER 07-
   LOCL ACTUATOR	FUG500010	LR3 LR4
   DOOR ACTUATOR	FSG500030	Range Rover Sport (05-13) Discovery 3/LR3(05-09) Discovery 4/LR4(10-UP) Evoque(11-UP)
   DOOR ACTUATOR	FSG000020	Range Rover L322
   DOOR RELEASE SWITCH	LR015457 LR071910	DISCOVER 4 10-
   DOOR RELEASE SWITCH	LR015458 LR071911	DISCOVER 4 10-
   DOOR RELEASE SWITCH	LR079909	FREELANDER 2 08-
   DOOR RELEASE HANDLE SWITCH	LR073594	DISCOVERY 3/4
   DOOR RELEASE HANDLE SWITCH	YUZ500020	RANGE ROVER SPORT 05-13

Conclusion: Empower Your Business with PERFECTRAIL
Car door locks are fundamental to vehicle security, passenger safety, and driver convenience. From understanding their function and components to learning about their manufacturing process and common issues, quality door locks are an investment in vehicle safety and longevity. With PERFECTRAIL’s dedication to producing high-quality Land Rover door locks and actuators, you’ll have access to parts that match OEM standards and deliver outstanding performance. Choose PERFECTRAIL for your Land Rover needs and experience reliable security and convenience.