1. Lock Hardware Deals
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  3. MAZDA KMV6-73-310A

MAZDA KMV6-73-310A Lock Door

fits make: Mazda.

Kmv6-73-310a Mazda Genuine Lock L Door

( Manufacturer Part Number: KMV6-73-310A ), ( Part Type: Lock Door ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MAZDA Genuine Lock Door

The **Mazda KMV6-73-310A Lock Door** is a high-performance, precision-engineered mechanical component designed specifically for Mazda vehicles, offering both reliability and security for your vehicle s door locking system. This part is part of Mazda s proprietary **KMV series**, which is renowned for its durability and seamless integration with the automaker s advanced door lock mechanisms. The **310A variant** is meticulously crafted to ensure smooth operation, resistance to wear, and compatibility with a range of Mazda models, including those equipped with power door locks, central locking systems, or even keyless entry features. Constructed from high-grade materials, this lock door mechanism features a robust internal structure with reinforced locking pins and a durable actuator assembly, ensuring long-lasting performance even under frequent use. Its design incorporates precision-machined components that minimize friction, reducing the risk of jamming or malfunction over time. Whether installed in a sedan, hatchback, or SUV, this lock door is engineered to provide a secure and responsive locking experience, enhancing both convenience and safety. For mechanics and automotive enthusiasts, the **Mazda KMV6-73-310A** represents a dependable replacement option, offering the same level of quality and functionality as the original equipment manufacturer (OEM) part, making it an ideal choice for repairs, upgrades, or maintenance projects.

### Pros and Cons of Buying a Mazda KMV6-73-310A Lock Door Mechanism

The Mazda KMV6-73-310A is a door lock actuator commonly used in older Mazda models, particularly those from the late 1990s to early 2000s. Below is a detailed breakdown of its advantages and disadvantages.

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#### **Pros**

1. **Compatibility**

The KMV6-73-310A is widely used in Mazda vehicles, including models like the Mazda6, Mazda Proteg , Mazda Millenia, and some Mazda Tribute and Mazda RX-8 variants. Its broad compatibility makes it a convenient replacement part for owners of these vehicles.

2. **Reliability (when functioning properly)**

When in good working condition, this lock actuator is designed to be durable and provide smooth operation for the door locks. It is a mechanical component that, if not damaged, can last for many years with proper maintenance.

3. **Ease of Installation**

Replacing a door lock actuator is generally a straightforward DIY job for those with basic mechanical skills. The process typically involves removing the door panel, disconnecting the wiring harness, and replacing the old actuator with the new one. Mazda vehicles often have accessible door structures, making this task manageable for many owners.

4. **Cost-Effective**

Compared to some other automotive parts, the KMV6-73-310A is relatively inexpensive. Prices can vary depending on the source (OEM vs. aftermarket), but it is often more affordable than labor-intensive repairs or replacing an entire door assembly.

5. **Aftermarket Availability**

This part is readily available from various suppliers, including OEM (Original Equipment Manufacturer) sources and reputable aftermarket brands. This ensures that you can easily find a replacement if needed, even if the original part fails.

6. **Standardized Design**

The design of this actuator is standardized for its application, meaning it is engineered to fit seamlessly into Mazda s door lock mechanism without requiring extensive modifications.

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#### **Cons**

1. **Age and Wear**

The KMV6-73-310A is an older part, and if the vehicle it is installed in is also aging, the actuator may be prone to wear and tear. Over time, components like the motor, gears, or internal springs can degrade, leading to failure.

2. **Common Failure Points**

This actuator is known to fail in specific ways, such as:

- **Motor Burnout**: The internal motor can overheat or fail due to electrical issues, such as a faulty wiring harness or power supply problems.

- **Gear Wear**: The internal gears can wear out, causing the lock to jam or fail to engage properly.

- **Internal Spring Failure**: The spring mechanism that assists in opening or closing the door locks can weaken or break, leading to inconsistent operation.

- **Electrical Issues**: Corrosion or damaged wiring can cause intermittent locking or complete failure of the actuator.

3. **Electrical Dependence**

While this is a motorized actuator, it relies on the vehicle s electrical system to function. If there are issues with the fuse, relay, or wiring, the actuator may not work even if the part itself is intact. This can make troubleshooting more complex.

4. **Potential for Water Damage**

Door actuators are exposed to the elements, and if the vehicle is driven in wet or snowy conditions, moisture can seep into the actuator, causing corrosion or short circuits. This is particularly relevant for older vehicles with less robust sealing.

5. **Limited Longevity**

Unlike some modern actuators that may have longer lifespans due to improved materials and design, the KMV6-73-310A is a legacy part. Its lifespan can be shorter compared to newer models, especially if the vehicle is frequently used or exposed to harsh conditions.

6. **Compatibility Caveats**

While the KMV6-73-310A is compatible with many Mazda models, there can be slight variations between different years or trims. For example, wiring harness connections or mounting points might differ slightly, requiring careful attention during installation to avoid issues.

7. **Aftermarket Quality Variability**

While aftermarket parts are often affordable, the quality can vary significantly. Some cheaper alternatives may not meet the durability standards of OEM parts, leading to premature failure or inconsistent performance.

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### **Conclusion**

The Mazda KMV6-73-310A lock door actuator is a practical and cost-effective solution for Mazda owners dealing with faulty door locks in older vehicles. Its widespread compatibility, ease of installation, and affordability make it a popular choice for DIY repairs. However, its age-related vulnerabilities such as motor burnout, gear wear, and susceptibility to electrical or environmental damage can lead to frequent failures if not properly maintained.

For owners of Mazda vehicles experiencing lock actuator issues, this part is a viable replacement, especially if the vehicle is otherwise in good condition. However, it is important to address underlying issues such as wiring problems, corrosion, or electrical system faults that could contribute to the actuator s failure. Regular inspection and maintenance of the door lock mechanism can extend the life of the actuator and prevent costly repairs down the line.

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### **Recommendation**

1. **Verify Compatibility**: Double-check that the KMV6-73-310A is the correct part for your specific Mazda model and year. Consult your vehicle s service manual or a trusted mechanic to confirm compatibility, as slight variations can exist.

2. **Source Quality Parts**: Purchase the actuator from a reputable supplier, whether OEM or a well-known aftermarket brand. Avoid extremely cheap parts, as they may not meet quality standards and could fail prematurely.

3. **Address Underlying Issues**: Before replacing the actuator, inspect the wiring harness, fuses, relays, and electrical connections for any signs of damage or corrosion. Fixing these issues can prevent the new actuator from failing due to electrical problems.

4. **Consider Professional Installation**: While the replacement is relatively straightforward, if you are unsure about your mechanical skills or the vehicle s electrical system, consider having a professional install the new actuator. This can help avoid mistakes that could lead to further damage.

5. **Maintain the Door Lock Mechanism**: Regularly lubricate the actuator (if applicable) and inspect the door seals to prevent moisture ingress. Keep the door panels clean and free of debris to reduce wear on the actuator.

6. **Evaluate Long-Term Solutions**: If your vehicle s door locks are frequently failing, it may be worth considering upgrading to a more modern or robust actuator, especially if the vehicle is still in regular use. In some cases, replacing the entire door lock assembly might be a more durable solution.

7. **Budget for Potential Repairs**: Be prepared for the possibility of additional repairs, such as fixing wiring issues or replacing other components in the door lock system. Budgeting for these contingencies can help avoid financial strain if unexpected problems arise.

In summary, the Mazda KMV6-73-310A is a solid choice for replacing a faulty door lock actuator in compatible Mazda models, provided you address any underlying issues and maintain the part properly. For most owners, it offers a balance of affordability and functionality, but it is not a permanent fix for vehicles with chronic electrical or mechanical problems.

Details:

Electrical parts are not returnable. Genuine Mazda Parts. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: kmv673310a price

  • $75.99

specifications carlockiio:

  • for makes: Mazda
  • mpn: Kmv6-73-310a
  • part type: Lock Door
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 0 On The Diagram Is Included

returns carlockiio:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments carlockiio:

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general carlockiio:

  • condition: New
  • Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware

shipping carlockiio:

  • transit: 6-13 Days
  • type: Fixed
  • class: Standard
  • cost: $24.18
  • service: Standard

offer carlockiio:

  • availability: In Stock
  • sold: 0
  • quantity: 4
  • started: March 15, 2026
  • options: Ship-to-home

seller carlockiio:

  • # reviews: 1062
  • rating: 99.3%
  • city: Port Charlotte, Florida
for makes: mazda, part type: lock door, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 0 on the diagram is included,
category: auto parts > car truck parts accessories > exterior parts accessories > exterior locks lock hardware, sku: 30287524481502741,
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