AUDI 643.AU1K01 Passenger Right Front Door Lock Latch 8N Actuator
fits make: Audi. year: 2000–2006.
( Conditions Options: Coupe, Mk1 ), ( Genuine Oem: Yes ), ( Ipn: 643.au1k01 ), ( Year: 2001 ), ( Manufacturer Warranty: 60 Day ), ( Placement On Vehicle: Front, Right ), ( Type: Door Lock )
Review AUDI 8n Coupe Passenger Right Front Door Lock Latch Actuator fits MK1 2000–2006
The **Audi 643.AU1K01 MK1 (8N) Passenger Right Front Door Lock Latch Actuator** is a precision-engineered component designed exclusively for Audi s iconic 8N platform vehicles, including models like the A4, A6, and S4 produced between the years 2000 and 2006. This critical mechanical assembly serves as the heart of the passenger-side front door s locking mechanism, ensuring seamless operation, security, and reliability in daily use. Crafted from high-grade materials, the actuator integrates a robust electric motor paired with a durable gear train, allowing for smooth and silent engagement of the door latch when activated by the central locking system or manual controls. The design incorporates a robust plastic housing reinforced with metal components where necessary, providing both durability against wear and resistance to environmental factors such as moisture, dust, and temperature fluctuations common challenges faced by automotive parts exposed to varying conditions. The actuator s internal mechanism is finely tuned to deliver precise, consistent performance, minimizing the risk of jamming or misalignment, which can compromise the door s functionality or aesthetic integrity. Whether integrated into a restored classic or a meticulously maintained modern vehicle, this part ensures that the door operates with the same level of sophistication and precision for which Audi is renowned. For enthusiasts and mechanics alike, sourcing an authentic Audi 643.AU1K01 actuator guarantees compatibility with the vehicle s original electrical and mechanical systems, preserving both performance and the vehicle s resale value. Proper installation requires careful attention to wiring connections and alignment with the door s latch assembly, ensuring the actuator operates in harmony with the door s hinges and locking mechanism for optimal functionality.
### **Pros and Cons of buying a Audi 643.AU1K01 MK1 (8N) Passenger Right Front Door Lock Latch Actuator (00-06)**
#### **Pros:**1. **Direct Fitment** This part is specifically designed for the Audi A4 B5 (8N) model produced between 2000 and 2006, ensuring compatibility without modifications.
2. **High Quality** Audi s original equipment manufacturer (OEM) parts are built to strict standards, offering durability and reliability similar to the factory unit.
3. **Reliability** The latch actuator is a critical component for door functionality, and a genuine or high-quality aftermarket replacement reduces the risk of premature failure.
4. **Ease of Installation** The part is straightforward to install, especially for those with basic mechanical skills, as it involves removing the door panel and replacing the faulty actuator.
5. **Warranty Coverage** If purchasing from a reputable seller, the part may come with a warranty, providing peace of mind against defects.
6. **Prevents Further Damage** A failing latch actuator can strain other door mechanisms, so replacing it early avoids secondary issues.
7. **Improves Security & Convenience** A properly functioning door latch ensures smooth operation, enhancing both security and ease of use.
#### **Cons:**1. **Cost** OEM parts can be expensive, especially if sourced directly from Audi or authorized dealers. Aftermarket alternatives may offer cost savings but vary in quality.
2. **Potential Counterfeit Risks** Purchasing from untrusted sellers increases the risk of receiving a fake or low-quality part, which may fail sooner than expected.
3. **Labor Time** Replacing the door latch actuator requires disassembling the door panel, which can be time-consuming for inexperienced DIYers.
4. **Additional Wear** If the door seals or hinges are worn, replacing just the latch actuator may not fully resolve door-related issues.
5. **Limited Availability** Some aftermarket sellers may not stock this specific part, requiring extra effort to source it.
6. **Compatibility Concerns** While this part is designed for the 8N Audi A4, slight variations in trim levels or modifications could occasionally cause fitment issues.
7. **Resale Impact** If the vehicle is being sold, a replaced OEM part may not provide a significant resale value boost compared to keeping the original (if functional).
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### **Conclusion**
The **Audi 643.AU1K01 MK1 (8N) passenger right front door lock latch actuator (00-06)** is a critical component that ensures proper door operation. The **pros outweigh the cons** if you prioritize reliability, longevity, and ease of use. However, the **higher cost and potential installation challenges** may deter some buyers, particularly those on a tight budget or without mechanical experience.
For most owners experiencing latch actuator failure, **replacing it with an OEM or high-quality aftermarket part is the best solution** to restore functionality and prevent further issues. If cost is a concern, **verifying the seller s reputation** and comparing prices from multiple sources can help secure a better deal without compromising quality.
---
### **Recommendation**
- **If budget allows**, purchase the **OEM Audi part** from a trusted dealer or authorized seller to ensure longevity and compatibility.
- **For cost savings**, opt for a **reputable aftermarket brand** (e.g., Dorman, AEV, or Mann Filter) with positive reviews for Audi applications. Check for warranties and return policies.
- **If DIY installation is intimidating**, consider having a professional mechanic perform the replacement to avoid mistakes.
- **Always inspect the door seals and hinges** during the process, as related wear can affect long-term performance.
A well-chosen replacement will restore your Audi s door functionality, improving both convenience and safety.
Details:
Stock #: 257682. Many electronic modules and components require programming. Video: Go to YouTube and search for: Playground PAR 257682 Part Detail: Placement. Donor Vehicle: model: TT AUDI.
These extra attached parts are not covered by any warranty. Miles: 256000 - N/A or Unknown. Parts are not covered for external fluid leaks. Warranty covers the base component and none of other attached parts.
Passenger Right Front Door Lock Actuator. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. Audi TT MK1 8N COUPE Passenger Right Front Door Lock Latch Actuator Fits 00-06: Review photos this is your actual part.
specifications carlockiio:
- for makes: Audi
- for years: 2000-2006
- conditions options: Coupe, Mk1
- genuine oem: Yes
- ipn: 643.au1k01
- year: 2001
- manufacturer warranty: 60 Day
- placement on vehicle: Front, Right
- type: Door Lock
offer carlockiio:
- options: Ship-to-home
- availability: In Stock
- started: March 3, 2026
- best offers: True
- sold: 0
- quantity: 1
general carlockiio:
- condition: Used
- Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware
payments carlockiio:
- other
- credit card: Diners-club
- wallet: Apple-pay
shipping carlockiio:
- service: Standard
- type: Fixed
- cost: $15.99
- class: Standard
- transit: 2-6 Days
seller carlockiio:
- rating: 99.4%
- # reviews: 10779
- city: Port Washington, Wisconsin
returns carlockiio:
- policy: Returns Accepted
- time: 30 Days
- paid by: Buyer
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