AUDI 4H0898374S Handle Trunk Lock Barrel Set Key Fob /key

( Manufacturer Part Number: 4H0898374S ), ( Part Type: Handle Trunk Lock Fob Driver )

Review AUDI Drivers Handle Trunk Lock Barrel Set /key Fob Oem fits D4 A8

The **Audi 4H0898374S D4 A8 Handle Trunk Lock Barrel Set / Key Fob** is a meticulously engineered, high-quality replacement component designed exclusively for Audi s prestigious **A8 (D4) model series**, ensuring seamless integration with both the vehicle s mechanical and electronic systems. This premium barrel set, paired with a matching key fob, is crafted to restore full functionality to the door handles, trunk lock, and central locking mechanisms, addressing issues such as misalignment, stiffness, or failure in the locking cylinders. Engineered with Audi s exacting standards, the barrel set features a durable **D4-compatible lock barrel assembly**, featuring precision-machined internal components that guarantee smooth operation while resisting wear and corrosion critical for maintaining the A8 s refined performance and luxury appeal. The accompanying **key fob** is designed to sync seamlessly with the vehicle s immobilizer system, ensuring secure access and remote control functionality without compromising on reliability. Whether replacing a worn-out barrel due to normal wear, a broken key fob, or addressing a malfunction in the locking mechanism, this set provides a direct, factory-like solution that restores both form and function. Ideal for Audi enthusiasts, professional locksmiths, and dealership technicians, this component is a testament to Audi s commitment to precision engineering, offering a long-lasting, high-performance upgrade that aligns with the vehicle s premium standards.

Buying an **Audi 4H0898374S D4 A8 handle trunk lock barrel set / key fob** a replacement for the door handle lock barrel and key fob has both advantages and disadvantages depending on your needs, budget, and priorities. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **Compatibility and Fit**

The part is specifically designed for the **Audi A8 (D4) model**, ensuring a direct fit without modifications. This reduces the risk of misalignment or functionality issues that can occur with aftermarket or generic parts.

2. **Authentic Quality and Durability**

As an **OEM (Original Equipment Manufacturer) or high-quality aftermarket part**, it is built to Audi s standards, offering reliable performance and longevity. This minimizes the likelihood of premature wear or failure compared to cheaper alternatives.

3. **Enhanced Security**

The lock barrel set includes components critical to the vehicle s security system. A properly functioning lock barrel ensures that doors and the trunk lock reliably when engaged, reducing the risk of unauthorized access. The key fob is also essential for remote locking/unlocking and keyless entry, which are modern security features.

4. **Prevents Further Damage**

If the original lock barrel is worn or malfunctioning, it can cause **sticking doors, difficulty locking/unlocking, or even damage to the door mechanism** over time. Replacing it proactively can prevent more extensive (and costly) repairs.

5. **Maintains Resale Value**

Audi vehicles hold their value well, and keeping original or high-quality replacement parts ensures the car remains in optimal condition. This can be beneficial if you plan to sell the vehicle in the future.

6. **Professional-Grade Components**

The part is likely manufactured to meet Audi s technical specifications, which means smoother operation, better resistance to corrosion, and compatibility with the vehicle s electronic systems (e.g., keyless entry, immobilizer).

7. **Warranty Coverage (If Purchased from a Reputable Seller)**

Some sellers offer warranties on replacement parts, providing peace of mind in case of defects. This is particularly useful if you re not comfortable with DIY installation.

8. **Improved User Experience**

A properly functioning lock barrel eliminates frustration from jamming doors or unreliable locking mechanisms. This is especially important for daily drivers who rely on convenience and security.

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### **Cons of Buying This Part**

1. **High Cost**

OEM or high-quality aftermarket parts for Audi are typically **expensive**. The price of this lock barrel set and key fob may range from **$200 to $600 **, depending on the seller and whether it s new or refurbished. This can be a significant investment if you re on a tight budget.

2. **Potential for Counterfeit Parts**

If purchasing from an untrusted seller (e.g., eBay, Amazon, or unknown online marketplaces), there s a risk of receiving **counterfeit or low-quality replicas**. These may not fit properly, fail quickly, or even damage the vehicle s locking mechanism. Always buy from **authorized Audi dealers, reputable aftermarket suppliers, or verified sellers with good reviews**.

3. **Installation Complexity**

- Removing the door panel and trim.

- Disconnecting electrical wiring (especially for the key fob s transponder).

- Replacing the lock cylinder and barrel.

- Reprogramming or syncing the key fob (if necessary).

If you re not experienced with car repairs, this may require **professional labor**, adding to the cost.

4. **Key Fob Programming Issues**

Audi key fobs are **hardwired to the vehicle s immobilizer and central locking system**. If the original fob is lost or the new one isn t programmed correctly, you may need to:

- Visit an Audi dealership for reprogramming (costly, $100 $200).

- Use a **universal programmer** (risky if done incorrectly).

- Replace the fob entirely (if the old one is damaged).

This adds an extra layer of complexity and expense.

5. **Limited Availability of Parts**

Audi parts can sometimes be **hard to find**, especially for older models like the A8 D4. If you don t have a reliable source, you may face delays in receiving the part, which could be inconvenient if the lock barrel is failing.

6. **Potential for Additional Repairs**

If the lock barrel failure is due to **underlying issues** (e.g., rust, misalignment, or damage to the door mechanism), replacing just the barrel may not fully resolve the problem. You might need to address these issues simultaneously, increasing costs.

7. **Time-Consuming Process**

Even for a skilled DIYer, replacing a lock barrel and key fob can take **several hours**. This requires patience and careful attention to detail to avoid mistakes.

8. **Dealer vs. Aftermarket Trade-Off**

While OEM parts are reliable, they are **more expensive** than aftermarket alternatives. Some aftermarket brands (e.g., Dorman, ACDelco, or specialized Audi suppliers) offer **high-quality, compatible parts at a lower cost**, though you should research their reputation carefully.

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### **Conclusion**

- You prioritize **reliability, security, and long-term performance**.

- You re willing to **pay for quality** to avoid future failures.

- You either have the **skills to install it yourself** or can afford **professional labor**.

- You re purchasing from a **trusted source** to avoid counterfeit parts.

- You re on a **tight budget** and cannot afford the upfront cost.

- You lack the **mechanical experience** to install it correctly.

- You re unsure about **key fob programming** and don t want to risk immobilizing your car.

- You can find a **reputable aftermarket alternative** at a significantly lower price.

---

### **Recommendation**

1. **Verify the Part s Authenticity**

- Buy from **authorized Audi dealers, reputable aftermarket suppliers (e.g., RockAuto, PartsGeek, or Audi-specific vendors), or trusted online marketplaces**.

- Check for **serial numbers, packaging, and seller reviews** to ensure legitimacy.

2. **Consider Aftermarket Options**

- If cost is a concern, research **high-quality aftermarket brands** (e.g., **Vulcan, Dorman, or Audi-specific suppliers**) that offer compatible lock barrels and key fobs. These can sometimes be **30 50% cheaper** than OEM while maintaining reliability.

- **Vulcan 1000000000** (similar to OEM in quality).

- **Dorman 9000 series** (widely used for Audi/German cars).

3. **Plan for Installation**

- If you re not experienced with car repairs, **budget for professional installation** ( $150 $300 per door, depending on the shop).

- Watch **YouTube tutorials** (e.g., from **ChrisFix, Audi-specific repair channels**) to prepare for DIY installation.

4. **Check Key Fob Compatibility**

- Visit an Audi dealership for a **new transponder chip** ( $100 $200).

- Use a **universal programmer** (if you re comfortable with electronics).

- Some aftermarket fobs may require **reprogramming**, so confirm this before purchasing.

5. **Inspect for Underlying Issues**

- If the lock barrel is failing due to **rust, misalignment, or door mechanism wear**, address these issues simultaneously to prevent recurrence. This may involve:

- Lubricating the lock mechanism.

- Adjusting the door alignment.

- Replacing worn-out door hinges or seals.

6. **Weigh Cost vs. Benefit**

- If the lock barrel is **minorly worn** (e.g., slight sticking), you might delay replacement until it s **absolutely necessary**.

- If it s **completely seized or broken**, replacing it **soon** is better to avoid **door damage or security risks**.

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### **Final Verdict**

You need **long-term reliability and security**.

You re prepared for the **cost and installation effort**.

You purchase from a **trusted source** to avoid counterfeits.

You re **short on budget** and can find a **high-quality aftermarket part** at a lower price.

You **lack mechanical skills** and cannot afford professional installation.

You re unsure about **key fob programming** and want to minimize risks.

- **For OEM quality:** Buy from an **Audi dealer or

Details:

Shipping cost or carrier may change, based on final destination. Large items include: hood, door shell, fender, engine, transmission, trunk hatch, windshield, bumper, reinforcement clip, sub frame, roof, quarter apron, gas tank, etc. All of the parts are tested either before or after removal from vehicle. Please, do not purchase parts just to check and diagnose your vehicles problem.

Original Audi parts. Item may show light scuffs, scratches or other imperfections as a result of this being used part.

part #: 4h0898374s prices

• $72.49-$74.70

specifications carlockiio:

• for models: D4, A8
• for makes: Audi
• mpn: 4h0898374s
• part type: Handle Trunk Lock Fob Driver

offer carlockiio:

• best offers: True
• sold: 0
• availability: In Stock
• started: March 24, 2026
• options: Ship-to-home
• quantity: 1

returns carlockiio:

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

payments carlockiio:

• wallet: Paypal
• other
• credit card: Discover

general carlockiio:

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

seller carlockiio:

• # reviews: 2005 6
• rating: 99.9%
• city: Wills Point, Texas

shipping carlockiio:

• service: FedEx 2Day
• type: Fixed
• class: Expedited
• cost: $10.00
• transit: 1-2 Days
• carrier: FedEx

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