SAAB 643.SA1R05 Passenger Right Rear Door Lock Latch 9/3 Actuator

( Part Type: Actuator Door Lock Latch ), ( Conditions Options: Sedan ), ( Genuine Oem: Yes ), ( Ipn: 643.sa1r05 ), ( Year: 2005 ), ( Manufacturer Warranty: 60 Day ), ( Placement On Vehicle: Rear, Right )

Review SAAB 9-3 Sedan Passenger Right Rear Door Lock Latch Actuator fits 2003–2011

The **Saab 643.SA1R05 9-3 Passenger Right Rear Door Lock Latch Actuator (2003 2011, 03)** is a precision-engineered component designed specifically for Saab s iconic 9-3 models produced between 2003 and 2011, including the 03 facelift variant. This door lock latch actuator serves as the critical mechanical interface between the door s locking mechanism and the vehicle s electrical system, ensuring smooth, reliable operation of the passenger-side rear door. Crafted from high-grade materials, it features a durable plastic housing reinforced with metal components to withstand the constant stress of daily use, including repeated opening, closing, and locking cycles. The actuator incorporates a robust internal motor and gear assembly, which translates electrical signals from the door control switch into precise linear motion, engaging or disengaging the latch with minimal friction. Its compact yet robust design allows for seamless integration into the door panel s frame, maintaining the vehicle s sleek aesthetic while delivering dependable functionality. Whether used in replacement for a worn-out or malfunctioning original part or as a proactive upgrade to prevent future failures, this actuator ensures that the door operates silently, securely, and without the frustration of jamming or sticking. Ideal for both professional mechanics and DIY enthusiasts, it adheres to Saab s exact specifications, guaranteeing a perfect fit and optimal performance in alignment with the vehicle s original engineering standards.

### **Pros and Cons of Buying a Saab 643.SA1R05 9-3 Passenger Right Rear Door Lock Latch Actuator (2003 2011, Part #03)**

1. **Direct Fitment** This part is specifically designed for the 2003 2011 Saab 9-3 (SA1R05) models, ensuring compatibility without modifications. It matches the exact mounting points, wiring, and mechanical requirements of your vehicle.

2. **Reliability for Common Issues** The rear door lock actuator is a frequently failing component in older Saab 9-3 models, particularly due to wear, electrical issues, or corrosion. Replacing it with an OEM or high-quality aftermarket part can resolve persistent lock/unlock problems, including intermittent failures, stuck doors, or remote key malfunctions.

3. **Prevents Further Damage** A failing actuator can strain the door mechanism, wiring harness, or even the door itself over time. Replacing it early avoids secondary damage, such as broken door hinges or damaged wiring, which could be more costly to repair.

4. **Improves Convenience** A functional rear door actuator ensures all doors operate smoothly, whether manually, via the key fob, or the central locking system. This enhances usability and security, especially in cold weather or when carrying heavy loads.

5. **Warranty Coverage (If Applicable)** Some aftermarket or OEM parts come with warranties (e.g., 6 months to 2 years), providing peace of mind against premature failure. Always check the seller s warranty terms before purchasing.

6. **Easier Installation** Unlike complex repairs (e.g., replacing a door panel or wiring loom), the actuator is accessible from inside the door and typically requires only basic tools. Many owners or mechanics can install it in under an hour with minimal disassembly.

7. **Cost-Effective Fix** Compared to the potential cost of replacing a door, wiring, or hiring a mechanic for repeated lock repairs, a single actuator replacement is a budget-friendly solution. Prices for this part range from **$30 $80**, depending on quality and brand.

8. **Access to OEM or Genuine Parts** Purchasing from reputable sellers (e.g., RockAuto, eBay verified, or Saab specialty shops) ensures you get an OEM or high-quality aftermarket part that meets Saab s original specifications, reducing the risk of premature failure.

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1. **Limited Availability of OEM Parts** Original Saab actuators are no longer produced, and genuine parts may be harder to find or more expensive. Some sellers may offer "OEM-style" or "compatible" parts that aren t exact replicas, which could lead to fitment or functionality issues.

2. **Potential Counterfeit or Low-Quality Parts** Buying from untrusted sources (e.g., unknown sellers on eBay, Amazon, or Facebook Marketplace) risks receiving counterfeit or poorly made actuators. These may fail quickly, require frequent replacements, or not fit properly, voiding warranties.

3. **Electrical or Wiring Issues** If the problem stems from a faulty wiring harness, corroded connectors, or a failing door lock motor (not just the actuator), replacing only the actuator may not solve the issue permanently. A thorough diagnosis (e.g., checking for blown fuses, corroded terminals, or short circuits) is essential before purchase.

4. **Door Panel or Mechanism Wear** If the door itself has significant wear (e.g., bent hinges, stretched cables, or damaged seals), replacing the actuator alone won t fix misalignment or binding. This may require additional repairs, increasing total costs.

5. **Installation Challenges** While the actuator is relatively straightforward to replace, some Saab 9-3 models (especially later ones) may have tighter door panels or more complex wiring routes. Improper installation could lead to misalignment, where the door doesn t close properly or the lock doesn t engage correctly.

6. **Compatibility Risks with Non-OEM Parts** Some aftermarket actuators may not match the exact dimensions or mounting points of the original, leading to gaps, misalignment, or difficulty in fully extending/retracting the locking mechanism. Always verify compatibility with your specific trim level (e.g., 9-3 2.3T vs. 9-3 2.0L).

7. **Time-Consuming for DIYers** Removing the door panel, disconnecting wiring, and ensuring the new actuator aligns perfectly can take **1 3 hours** for a first-time installer. Rushing may result in damage to the door or wiring.

8. **Recurring Issues with Other Components** If the root cause is environmental (e.g., moisture entering the door, causing corrosion) or electrical (e.g., a failing door lock switch), replacing the actuator may provide temporary relief but not a permanent fix. Addressing the underlying issue (e.g., sealing the door, cleaning connectors) is often necessary.

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### **Conclusion**

Replacing a faulty **Saab 643.SA1R05 9-3 passenger right rear door lock latch actuator (2003 2011)** is a **practical and cost-effective solution** for resolving persistent lock/unlock problems in your vehicle. The benefits such as improved functionality, convenience, and prevention of further damage outweigh the drawbacks for most owners. However, the success of the repair depends on:

- **Purchasing a high-quality, compatible part** (preferably OEM or from a trusted seller).

- **Diagnosing the root cause** (e.g., ensuring wiring and door mechanisms are intact).

- **Following proper installation procedures** to avoid misalignment or electrical issues.

If you re confident in your mechanical skills or have access to a mechanic, this is a **recommended fix**. If the problem persists after replacement, further investigation into the door s electrical system or physical condition may be necessary.

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### **Recommendation**

1. **Buy from a reputable source**: Prioritize sellers with positive reviews, clear return policies, and verified OEM or high-quality aftermarket parts (e.g., RockAuto, Saab specialty shops, or trusted eBay sellers).

2. **Check for compatibility**: Confirm the part number matches your exact model year and trim (e.g., 2.3T vs. 2.0L) to avoid fitment issues.

3. **Inspect wiring and connectors**: Before installing, test the door lock motor and wiring for continuity, corrosion, or damage. Clean or replace connectors if necessary.

4. **Follow installation guides**: Use a detailed repair manual (e.g., Haynes, Chilton, or YouTube tutorials) to ensure proper alignment and wiring.

5. **Consider professional help if unsure**: If you re uncomfortable with electrical work or door disassembly, a Saab specialist or auto electrician can ensure the job is done correctly.

**Final Verdict**: **Worth the purchase and replacement** if the actuator is confirmed as the faulty component. This is a **common and necessary repair** for older Saab 9-3s, and addressing it early will save time and money in the long run.

Details:

Stock #: 257880. Miles: 140000 - N/A or Unknown. Saab 9-3 SEDAN Passenger Right Rear Door Lock Latch Actuator Fits 2003 2011 03: Review photos this is your actual part. Passenger Right Rear Door Lock Actuator.

These extra attached parts are not covered by any warranty. Many electronic modules and components require programming. Parts are not covered for external fluid leaks. Donor Vehicle: model: 9-3.

Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. Warranty covers the base component and none of other attached parts.

specifications carlockiio:

• for makes: Saab
• for years: 2003-2011
• part type: Actuator Door Lock Latch
• conditions options: Sedan
• genuine oem: Yes
• ipn: 643.sa1r05
• year: 2005
• manufacturer warranty: 60 Day
• placement on vehicle: Rear, Right

seller carlockiio:

• # reviews: 10799
• city: Port Washington, Wisconsin
• rating: 99.4%

shipping carlockiio:

• transit: 2-5 Days
• type: Fixed
• cost: $0.00
• service: Standard
• class: Standard

payments carlockiio:

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

offer carlockiio:

• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 5, 2026
• availability: In Stock
• best offers: True

general carlockiio:

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

returns carlockiio:

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

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