AUDI 4H0-827-505-A Lock Actuator 643.AU1D17 10156134

( Manufacturer Part Number: 4H0-827-505-A ), ( Model: A3-AUDI ), ( Part Type: Actuator Lock ), ( Conditions Options: Tailgate Lock Actuator ), ( Genuine Oem: Yes ), ( Ipn: 643.au1d17 ), ( Manufacturer Warranty: 1 Year )

Review AUDI Lock Actuator fits A3 2017

The **Audi 643.AU1D.17 lock actuator (part number 10156134)** is a precision-engineered component designed exclusively for the **Audi A3 (8L/8K) models produced between 2013 and 2017**, serving as a critical element in the vehicle s **central locking system**. This actuator is responsible for smoothly and reliably engaging or disengaging the door locks, windows, and trunk/liftgate mechanisms, ensuring seamless operation while maintaining the vehicle s security and convenience. Crafted from high-quality **die-cast zinc alloy** and reinforced with durable **plastic housing**, the actuator is built to withstand the rigors of daily use, including exposure to varying temperatures, moisture, and mechanical stress. Its **compact yet robust design** integrates a **DC motor with a worm gear mechanism**, delivering precise, low-noise actuation with minimal wear over extended periods. The actuator features a **sealed electrical connector** to prevent corrosion and signal interference, while its **integrated position sensor** ensures accurate feedback to the vehicle s control module, allowing for flawless integration with the car s **keyless entry system, remote control, and smart key functions**. Whether installed in a **sedan, hatchback, or cabriolet variant**, this actuator is engineered to meet Audi s stringent quality standards, providing a **direct replacement** for the original equipment (OEM) part without compromising performance. Its **universal compatibility** with aftermarket and OEM wiring harnesses makes it an ideal choice for both professional auto repair shops and DIY enthusiasts seeking a **long-lasting, high-performance solution** for their Audi A3 s locking system.

### **Pros and Cons of buying a Audi 643.AU.1D1.7 A3 (2017) Lock Actuator (Part Number: 10156134)**

1. **OEM Quality** This is an original Audi part, meaning it meets the manufacturer s exact specifications for fit, function, and durability. OEM components are designed to match the vehicle s performance and longevity, reducing the risk of compatibility issues or premature failure.

2. **Reliability** Audi vehicles, including the A3, are known for their engineering precision. Using an OEM lock actuator ensures that the part will function as intended, reducing the likelihood of malfunctions that could lead to key fob or door lock failures.

3. **Warranty Coverage** If purchased from an authorized Audi dealer or a reputable supplier, this part may come with a warranty, providing peace of mind against defects or premature wear. Some OEM parts include manufacturer-backed warranties, though coverage terms vary by supplier.

4. **Long-Term Durability** OEM parts are built to last the lifespan of the vehicle, unlike aftermarket alternatives that may wear out faster or require more frequent replacements. This can save money in the long run by avoiding repeated repairs.

5. **Compatibility** The part is specifically designed for the 2017 Audi A3 (with the 1D1 engine code), ensuring a perfect fit without modifications. Aftermarket parts sometimes require adjustments or additional work to function correctly.

6. **Resale Value** If you plan to sell or trade in your vehicle later, using OEM parts maintains the car s integrity and may positively influence its resale value, as buyers often prefer vehicles with original components.

7. **Technical Support** OEM suppliers typically offer technical assistance, including installation guides, diagnostic tools, or troubleshooting help. This can be invaluable if you re not experienced with automotive repairs.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The Audi 643.AU.1D1.7 lock actuator (10156134) will likely cost more than a generic or third-party replacement, which can be a financial drawback for budget-conscious buyers.

2. **Limited Availability** OEM parts may not be as widely stocked as aftermarket options, especially for older or less common vehicle models. This could result in longer wait times for delivery, particularly if ordering from a dealer rather than a specialized parts supplier.

3. **Potential Overkill for Minor Issues** If the lock actuator failure is due to a minor issue (e.g., a worn-out motor or a loose connection), an OEM replacement might be more expensive than necessary. In some cases, a simple repair or adjustment could resolve the problem without needing a full part replacement.

4. **Dealer Markup** Purchasing from an authorized Audi dealer often comes with a higher price tag due to overhead costs, labor fees, and profit margins. Independent suppliers or online marketplaces may offer the same part at a lower cost.

5. **Complex Installation** While the part itself is reliable, installing an OEM lock actuator may require specialized tools, electrical knowledge, or even professional assistance. DIYers without experience in electronics or lock mechanisms might struggle with the installation process.

6. **Environmental and Ethical Concerns** OEM parts are typically new and come from manufacturing facilities, which may have environmental impacts (e.g., energy use, waste). Some buyers prefer aftermarket or refurbished parts to reduce their carbon footprint, though this is subjective.

7. **Potential for Counterfeit Parts** If buying from an untrusted source (e.g., a third-party seller without proper certification), there s a risk of receiving a counterfeit OEM part. Counterfeit parts may fail prematurely or not function as intended, voiding any warranty and causing further damage.

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The **Audi 643.AU.1D1.7 A3 (2017) Lock Actuator (10156134)** is a high-quality, reliable OEM part that ensures compatibility, durability, and peace of mind. It is the best choice if you prioritize long-term performance, warranty coverage, and the integrity of your vehicle. However, the **higher cost, potential availability issues, and complexity of installation** make it less ideal for those on a tight budget or seeking a quick, low-cost fix.

For buyers who are **willing to invest in quality and longevity**, the OEM part is the **recommended choice**. If cost is a major concern, a **high-quality aftermarket alternative** (from a reputable brand like ACDelco, Dorman, or Valeo) could be a viable compromise, provided it meets Audi s specifications and comes with a good warranty. Always verify the part s authenticity and compatibility before purchasing.

- You value long-term reliability and warranty protection.

- You re comfortable paying a premium for a part that matches your vehicle s original specifications.

- You plan to keep the car for an extended period or are concerned about resale value.

- You re on a budget but still want a durable, compatible part.

- You ve researched the aftermarket brand s reputation and warranty terms.

- You re confident in the part s quality through reviews or expert recommendations.

- **Avoid cheap or untested aftermarket parts** unless you re certain they meet Audi s standards, as they may lead to repeated failures or void your vehicle s warranty.

Always purchase from **authorized dealers, Audi-approved suppliers, or trusted online retailers** to ensure authenticity and avoid counterfeit parts. If unsure about installation, consult a professional mechanic to assess whether the part is truly necessary or if a simpler repair exists.

Details:

A3 AUDI 2017 Lock Actuator 10156134: TAILGATE LOCK ACTUATOR 4H0827505A 4H0 827 505 A ; FROM 2011 2023 1.8L PREMIUM Included: Hassle-free 1 Year Warranty Our Part #: 10156134. If something is wrong with an order, we certainly do want to help you. More Parts: 1 Year Warranty. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold.

Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Model: A3 AUDI. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Very happy customer, excellent value and service.

Easy to find parts that don't require a mechanics knowledge. Please disregard other fitment charts they may not be correct. Free shipping only applies to items you keep. Quality, Assured Parts All are Quality Tested Inspected.

Please compare part numbers BEFORE purchasing.

part #: 4h0827505 prices

• $37.99-$49.99

specifications carlockiio:

• for makes: Audi
• for years: 2017
• mpn: 4h0-827-505-a
• model: A3-audi
• part type: Actuator Lock
• conditions options: Tailgate Lock Actuator
• genuine oem: Yes
• ipn: 643.au1d17
• manufacturer warranty: 1 Year

seller carlockiio:

• city: Rancho Cordova, California
• rating: 97.1%
• # reviews: 23090

returns carlockiio:

• time: 60 Days
• paid by: Buyer
• policy: Returns Accepted

payments carlockiio:

• wallet: Paypal
• credit card: Discover
• other

general carlockiio:

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

shipping carlockiio:

• cost: $20.00
• class: Freight
• service: Flat Rate Freight
• type: Fixed

offer carlockiio:

• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: March 9, 2026

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