SCION 643.SC1A06 Rear Driver Left Door Lock Actuator

( Part Type: Actuator Driver Door Lock ), ( Conditions Options: Lh Rear Door Lock Actuator ), ( Genuine Oem: Yes ), ( Ipn: 643.sc1a06 ), ( Descriptionpartcondition: 06 Scion Xa Rear Driver Left Door Lock Actuator 569713 ), ( Manufacturer Warranty: 6 Month )

Review SCION 643. A06 Rear Driver Left Door Lock Actuator fits XA 2006

The **Scion 643 SC1A06 (2006 model year) Rear Driver s Side Door Lock Actuator** is a precision-engineered component designed to seamlessly integrate with the vehicle s power window and door lock system, ensuring smooth, reliable operation while maintaining the integrity of the door s mechanical and electrical functions. Manufactured to meet or exceed OEM specifications, this actuator is specifically tailored for the rear driver s side door on the Scion xA (or Toyota Matrix) platform, where its compact yet robust design allows for efficient power transmission to the door lock mechanism. Constructed from high-grade materials, including durable plastic housings and reinforced internal components, the actuator is built to withstand the rigors of daily use, including exposure to varying temperatures, moisture, and mechanical stress, without compromising performance. The unit features a robust motor and gear assembly that delivers consistent torque, enabling the door locks to engage and disengage with minimal effort, even when the vehicle is subjected to harsh driving conditions or environmental factors. Its precise engineering ensures a near-silent operation, reducing unwanted noise that could otherwise detract from the driving experience. Additionally, the actuator is designed with a secure mounting interface, allowing for straightforward installation with minimal clearance issues, while its wiring harness is engineered to resist corrosion and maintain a reliable connection to the vehicle s electrical system. Whether replacing a failed actuator due to wear, corrosion, or electrical failure, or upgrading for enhanced durability, this component serves as an essential upgrade for maintaining the functionality and longevity of the Scion 643 s door lock system.

### **Pros and Cons of Buying a Scion xA Rear Driver s Side Door Lock Actuator (Part #: 643.SC1A06)**

1. **Direct Fitment** The part is designed specifically for the 2006 Scion xA, ensuring compatibility without modifications.

2. **Reliability** Scion (Toyota s subbrand) parts are generally built to a high standard, and this actuator is a common replacement for failures in the door lock mechanism.

3. **Ease of Installation** Many users report that this part is straightforward to replace, especially for those with basic mechanical skills.

4. **Cost-Effective** Compared to labor costs at a dealership, purchasing and installing this part yourself can save money.

5. **Prevents Further Damage** A failing door lock actuator can strain the wiring or door mechanism, so replacing it early avoids more extensive repairs.

6. **Warranty Coverage** If purchased from a reputable seller (e.g., Toyota dealership, authorized parts distributor, or trusted online retailer), the part may come with a warranty.

7. **Common Availability** Since the Scion xA is no longer in production, this part is widely stocked by aftermarket suppliers, making it easy to find.

1. **Age of the Vehicle** The 2006 Scion xA is over 18 years old, meaning the door mechanism may already be worn out or have other underlying issues.

2. **Potential Hidden Problems** If the door lock actuator fails due to corrosion, wiring issues, or a faulty door latch, replacing just the actuator may not fully resolve the problem.

3. **Quality Variability** Some aftermarket or non-OEM parts may be of lower quality, leading to premature failure. Always verify the seller s reputation.

4. **Electrical Concerns** If the wiring harness or door control switch is damaged, replacing the actuator alone won t fix electrical malfunctions.

5. **Rust and Corrosion** Older vehicles, especially in humid or snowy climates, may have rusted door frames or mechanisms, making installation difficult.

6. **Limited Lifespan** Even a new actuator may not last indefinitely if the door is frequently opened/closed aggressively or if the vehicle is exposed to harsh conditions.

7. **DIY Difficulty** While some find it easy, others may struggle with disassembling the door panel, especially if it s been poorly maintained over the years.

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### **Conclusion**

Buying a replacement rear driver s side door lock actuator for your 2006 Scion xA is a practical solution if the issue is isolated to the actuator itself. It is a cost-effective way to restore functionality without major overhauls. However, if the vehicle has other underlying problems (e.g., rust, wiring damage, or a failing door latch), simply replacing the actuator may not provide a long-term fix.

If you are comfortable with basic automotive repairs and have confirmed the actuator is the sole issue, purchasing this part is a reasonable choice. For those less experienced, consulting a mechanic to assess whether the problem is limited to the actuator or if additional repairs are needed would be wise.

### **Recommendation**

- **If the actuator is confirmed faulty and no other issues exist**, purchase the **OEM or high-quality aftermarket part** (e.g., from a Toyota dealer, RockAuto, or a trusted online retailer).

- **If the vehicle shows signs of rust, electrical gremlins, or other wear**, consider a full door mechanism inspection before proceeding.

- **For DIY installation**, follow a step-by-step guide (e.g., from a reliable source like YouTube or a repair manual) to avoid damaging the door panel.

- **If unsure about the root cause**, have a mechanic diagnose the issue first to avoid unnecessary expenses.

Ultimately, this part is a sound investment if the problem is isolated, but always weigh the vehicle s overall condition before committing to the repair.

Details:

Adjust throttle position sensor cable. Drain replace engine oils to manufacturers suggested levels. Replace thermostat gasket. Use manufacturer recommended Transmission fluid.

Someone over 18 must be present for delivery. Inspect replace, gaskets and seals if needed. Replace oil, air fuel filters Replace valve cover gaskets. Replace axle or drive shaft seal.

Inspect and replace, if needed timing gears, chains, pensioner or belts gaskets. Drain gear lubes and fill to manufacturers specifications. Add fluid to manufacturers suggested levels. Differentials Axle Assemblies.

Inspect adjust or replace shiftier linkages. Flush cooling system and refill with antifreeze to appropriate level. Load is curbside delivery ONLY. Replace flywheel.

Install new belts hoses. Replace Filter and Gaskets. Replace oil pan gasket front/rear main seal. LH REAR DOOR LOCK ACTUATOR 06 SCION XA DRIVER LEFT 569713.

Install new spark plugs wires. Install new water pump. Daytime phone number is required load will not deliver until appointment scheduled. Automatic Transmissions.

Remove torque converter bracket. Replace pilot bushing. Flush inspect transmission cooling lines. Manual Transmissions.

Clear all computer fault codes. Replace throw out bearing. Replace all seals. Clean the oil sump screen pickup tube.

Replace clutch. Properly torque converter.

specifications carlockiio:

• for models: Xa
• for makes: Scion
• for years: 2006
• part type: Actuator Driver Door Lock
• conditions options: Lh Rear Door Lock Actuator
• genuine oem: Yes
• ipn: 643.sc1a06
• descriptionpartcondition: 06 Scion Xa Rear Driver Left Door Lock Actuator 569713
• manufacturer warranty: 6 Month

seller carlockiio:

• city: Rancho Cordova, California
• rating: 99.4%
• # reviews: 8780

general carlockiio:

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

shipping carlockiio:

• transit: 5-11 Days
• class: Expedited, Standard
• cost: $0.00
• carrier: USPS, UPS
• service: USPS Priority Mail, UPS Ground
• type: Fixed

returns carlockiio:

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

payments carlockiio:

• wallet: Apple-pay
• other
• credit card: Discover

offer carlockiio:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 6, 2026
• best offers: True

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