fits make: Volkswagen. year: 2021.

( Model: ID.4 ), ( Part Type: Emergency Brake ), ( Conditions Options: Emerg Brake Parts ), ( Genuine Oem: Yes ), ( Ipn: 547.vw1721 ), ( Manufacturer Warranty: 1 Year )
The **Volkswagen 547.0-1721 ID.4 (2021) Emergency Brake** is a precision-engineered, high-performance parking brake system designed exclusively for the groundbreaking **Volkswagen ID.4**, the automaker s flagship all-electric compact SUV. This advanced mechanical and electronic brake assembly serves as the primary parking brake mechanism, ensuring secure immobilization of the vehicle when parked, even in challenging conditions. Crafted from durable, corrosion-resistant materials, the **547.0-1721** features a robust **electromechanical actuator** integrated with the ID.4 s sophisticated **MEB (Modular Electric Drive Matrix) platform**, allowing seamless integration with the vehicle s central infotainment and driver-assistance systems. The brake lever, positioned within easy reach of the driver s left foot, incorporates a **smooth, progressive resistance mechanism** that provides tactile feedback, confirming engagement and release with precision. Unlike traditional hydraulic parking brakes, this system eliminates the need for fluid lines or hydraulic pressure, instead relying on a **high-torque electric motor** and a **self-adjusting cable system** to apply consistent, reliable clamping force to the rear wheels. The **ID.4 s regenerative braking system** works in tandem with the emergency brake, ensuring that the vehicle remains stationary even during extended periods of parking, while also contributing to energy efficiency by recapturing kinetic energy during descent or deceleration. Built to meet the rigorous standards of Volkswagen s **e-mobility initiative**, this brake system is engineered for longevity, with minimal maintenance requirements and a design that resists wear from the high torque demands of electric vehicle propulsion. Whether parked on a steep incline, in cold weather, or for extended durations, the **547.0-1721 emergency brake** delivers uncompromising reliability, embodying Volkswagen s commitment to innovation and driver confidence in the era of electric mobility.
**Pros and Cons of Buying a 2021 Volkswagen ID.4 (VIN: 5VW1721) with an Emergency Brake Issue**
### **Pros**
1. **Electric Vehicle (EV) Technology** The ID.4 is Volkswagen s first fully electric SUV, offering zero tailpipe emissions, lower operating costs, and access to EV incentives or charging infrastructure. Its electric powertrain provides smooth acceleration and quiet operation compared to traditional internal combustion engines.
2. **Spacious and Practical Interior** The ID.4 features a roomy cabin with a high roofline, offering comfortable seating for five passengers. The cargo space is generous, with a foldable rear seat that expands capacity for larger items. The interior is well-designed, with a large touchscreen infotainment system and modern materials.
3. **Strong Performance and Range** The 2021 ID.4 comes with a 62 kWh battery (standard range model) and delivers an EPA-estimated range of around **270 miles** (depending on configuration). The dual-motor AWD version provides good off-road capability and all-weather traction. The instant torque of an electric motor ensures quick acceleration, making it feel responsive even at lower speeds.
4. **Advanced Safety Features** The ID.4 includes standard safety tech such as **VW s Digital Cockpit, blind-spot monitoring, rear cross-traffic alert, lane-keeping assist, and automatic emergency braking**. These features help reduce the risk of accidents, though their effectiveness depends on proper maintenance and calibration.
5. **Tech and Connectivity** The ID.4 s **10.25-inch touchscreen** integrates with **Car-Net (VW s connectivity service)**, allowing for over-the-air updates, remote start, and smartphone integration via **Apple CarPlay and Android Auto**. The digital instrument cluster provides clear, customizable information.
6. **Good Resale Value** As one of the first mass-market EVs from a major automaker, the ID.4 holds its value relatively well compared to some competitors. Volkswagen s growing EV lineup also supports long-term ownership appeal.
7. **Environmentally Friendly** For eco-conscious buyers, the ID.4 reduces carbon emissions compared to gasoline or diesel vehicles. Volkswagen has committed to expanding its EV lineup, which may benefit owners in the long term.
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### **Cons**
1. **Emergency Brake (Parking Brake) Issue** The most significant concern with this specific vehicle is the reported **emergency brake malfunction**. If the parking brake is not functioning correctly, it could lead to safety risks, such as the vehicle rolling unintentionally. This issue may require **repairs, replacement, or recalibration**, which could be costly depending on the root cause (e.g., worn brake pads, faulty actuator, or software glitch). A thorough inspection by a trusted mechanic or Volkswagen dealership is **critical** before purchasing.
2. **Software and Infotainment Glitches** Early EV models, including the ID.4, have occasionally suffered from **software bugs, lag, or connectivity issues**. Some owners report problems with the touchscreen freezing, infotainment system crashes, or slow response times. Over-the-air updates may address some issues, but persistent problems could be frustrating.
3. **Charging Infrastructure Limitations** While home charging is ideal, public charging stations can still be inconsistent in availability, especially in rural areas. Fast-charging times (typically **30-40 minutes for an 80% charge**) are faster than older EVs but not as quick as some competitors. Owners must plan charging stops carefully on long trips.
4. **Battery Degradation Over Time** Like all EVs, the ID.4 s battery will degrade over time, reducing range. While Volkswagen offers an **8-year/100,000-mile battery warranty**, long-term ownership may see a gradual decline in performance. Extreme temperatures (hot or cold) can accelerate degradation.
5. **Higher Upfront Cost (Though Decreasing)** While EV prices have dropped, the ID.4 is still more expensive than comparable gasoline SUVs. However, lower fuel, maintenance, and tax incentives (in some regions) can offset this over time.
6. **Limited Off-Road Capability (Compared to Competitors)** While the AWD version offers decent off-road potential, it is not as rugged as some competitors like the **Tesla Model Y or Ford Mustang Mach-E**. The ID.4 s ground clearance and tire options are adequate but not exceptional for serious off-roading.
7. **Dealer Markup and Used EV Market Risks** As a used EV, the ID.4 may have been priced higher by dealers due to demand. Additionally, the used EV market is still evolving, and buyers should be cautious of **hidden issues, misrepresented mileage, or battery health** that isn t immediately obvious.
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### **Conclusion**
The **2021 Volkswagen ID.4** is an attractive electric SUV with strong performance, modern features, and a spacious interior. However, the **emergency brake issue** is a **major red flag** that cannot be overlooked. This problem could pose a safety risk and may require significant repairs, potentially reducing the vehicle s long-term value.
If the brake issue is **minor (e.g., a software fix or minor mechanical adjustment)** and the seller is willing to address it before sale, the ID.4 remains a **solid EV choice**. However, if the problem is **severe (e.g., a faulty actuator or worn components)**, the cost of repairs may outweigh the vehicle s benefits.
### **Recommendation**
1. **Get a Professional Inspection** Before purchasing, have a **trusted mechanic or Volkswagen dealership** thoroughly inspect the **emergency brake system**, including the actuator, cables, and electronic controls. Request a **battery health check** and **test drive** to ensure the brake holds properly.
2. **Negotiate the Price** If the brake issue is confirmed, use it as leverage to **reduce the purchase price** or have the seller cover repairs. Alternatively, consider **trading down** to a vehicle with a verified brake system.
3. **Verify Battery and Electrical Health** Since EVs rely heavily on battery performance, ask for a **battery capacity report** (if available) to ensure it hasn t degraded significantly beyond normal wear.
4. **Compare with Alternatives** If the ID.4 s brake issue cannot be resolved affordably, consider **similar EVs** such as:- **Tesla Model Y** (if you prefer Tesla s software and Supercharger network)
- **Ford Mustang Mach-E** (stronger off-road options)
- **Hyundai Ioniq 5** (longer range, more affordable)
- **Kia EV6** (similar tech, competitive pricing)
5. **Proceed with Caution** If you decide to buy this ID.4, **prioritize safety fixes** before taking full ownership. Ensure you have a **warranty or service agreement** covering the brake system for at least the next **6-12 months**.
**Final Verdict:**The **2021 VW ID.4 is a good EV overall**, but the **emergency brake issue is a dealbreaker unless properly addressed**. If the seller can **prove the brake is functioning correctly** and is willing to cover repairs, it may still be a worthwhile purchase. Otherwise, **look for a similar EV with a verified brake system** to avoid potential safety and financial risks.
If something is wrong with an order, we certainly do want to help you. More Parts: 1 Year Warranty. ID.4 2021 Emergency Brake Parts 9085618: EMERG BRAKE PARTS Included: Hassle-free 1 Year Warranty Our Part #: 9085618. Very happy customer, excellent value and service.
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