HYUNDAI 31030-4Z000 Filler Neck Hose

( Manufacturer Part Number: 31030-4Z000 ), ( Type: Filler Neck ), ( Features: Easy Installation ), ( Universal Fitment: No ), ( Country Of Origin: Korea, South ), ( Placement On Vehicle: Rear ), ( Fuel Type: Gasoline )

Review HYUNDAI Genuine Parts Filler Neck And Hose Assembly 310304z000

The **Hyundai 31030-4Z000 Filler Neck Hose** is a precision-engineered component designed specifically for Hyundai vehicles equipped with fuel-injected engines, ensuring a secure and leak-free connection between the fuel filler neck and the vehicle s fuel system. Crafted from high-quality, durable rubber reinforced with a robust textile or synthetic fiber braid, this hose is built to withstand the harsh conditions of automotive environments, including exposure to fuel vapors, extreme temperatures, and constant flexing during vehicle operation. The hose features a tight, interference-fit design at both ends, with a smooth, tapered inner diameter that minimizes resistance to fuel flow while maintaining an airtight seal, preventing fuel spills and vapor leaks that could pose environmental or safety risks. Its sleek, black exterior is not only aesthetically consistent with Hyundai s design language but also helps dissipate heat, reducing the risk of thermal degradation over time. This part is a direct-fit replacement for OEM applications, ensuring compatibility with Hyundai models such as the Sonata, Elantra, Accent, and Santa Fe, among others, where the original filler neck hose may have deteriorated due to age, UV exposure, or mechanical stress. Whether replacing a cracked, brittle hose or upgrading for enhanced durability, the **31030-4Z000** delivers reliable performance, contributing to the long-term efficiency and safety of the vehicle s fuel delivery system.

The **Hyundai 31030-4Z000 filler neck hose** is a critical component for fuel systems in certain Hyundai and Kia vehicles, particularly those with direct-injection engines. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Hyundai 31030-4Z000 Filler Neck Hose**

1. **OEM Quality and Fit**

The part is manufactured to Hyundai s original equipment specifications, ensuring a precise fit with no modifications required. This reduces the risk of leaks, improper connections, or compatibility issues with the vehicle s fuel system.

2. **Reliability and Durability**

Hyundai s OEM parts are designed to meet strict durability standards, often outperforming aftermarket alternatives in terms of longevity. The hose is built to withstand fuel system pressures and environmental conditions (e.g., heat, vibrations) over the vehicle s lifespan.

3. **Compatibility with Fuel Systems**

The filler neck hose integrates seamlessly with the fuel cap, fuel line, and fuel tank components. This is particularly important for vehicles with direct injection, where fuel vapor management and proper sealing are critical to prevent fuel leaks or vapor loss.

4. **Warranty Coverage**

Purchasing directly from Hyundai or an authorized dealer may include warranty coverage, providing peace of mind against defects. Aftermarket parts often lack such guarantees, leaving the buyer vulnerable to premature failure.

5. **Prevents Fuel System Issues**

A faulty filler neck hose can lead to fuel spills, vapor leaks, or even fuel system contamination. Replacing it with an OEM part mitigates these risks, ensuring the vehicle s fuel efficiency and performance remain optimal.

6. **Ease of Installation**

Since it is designed for the specific vehicle model, the hose is straightforward to install, requiring minimal tools and expertise. This reduces labor costs and time compared to custom-fitted aftermarket parts.

7. **Environmental and Safety Compliance**

OEM parts adhere to emissions and safety regulations, ensuring the vehicle operates within legal and environmental standards. Aftermarket parts may not meet these criteria, potentially leading to compliance issues.

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### **Cons of buying a Hyundai 31030-4Z000 Filler Neck Hose**

1. **Higher Cost**

OEM parts are significantly more expensive than aftermarket alternatives. The price can range from **$50 to $120**, depending on the retailer, whereas aftermarket hoses may cost **$10 to $30**. This can be a barrier for budget-conscious buyers.

2. **Limited Availability**

OEM parts may not be readily available at local auto parts stores or online marketplaces. Buyers often need to order through Hyundai dealerships or specialized online retailers, which can extend lead times.

3. **Potential for Overkill**

For vehicles with low mileage or no history of fuel system issues, replacing only the filler neck hose may be unnecessary. Some owners opt for aftermarket parts to save money, assuming the OEM part is redundant.

4. **Mixed Perception of Aftermarket Alternatives**

While some aftermarket hoses are high-quality and reliable, others may use inferior materials (e.g., thinner rubber, poor reinforcement) that degrade faster. This introduces a risk of premature failure, though reputable brands (e.g., Denso, ACDelco) mitigate this concern.

5. **Installation Complexity in Some Cases**

While generally straightforward, the filler neck hose may require disassembling parts of the fuel tank or fuel line system, especially in vehicles with complex designs. This could necessitate professional installation, adding labor costs.

6. **Potential for Counterfeit Parts**

Purchasing from unauthorized sellers (e.g., eBay, untrusted online stores) increases the risk of receiving counterfeit or substandard parts. These may fail quickly or not fit properly, voiding any warranty.

7. **Environmental Impact of Disposal**

OEM parts, while durable, contribute to electronic waste when disposed of improperly. However, this is a minor concern compared to the functional benefits, and most OEM parts can be recycled.

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### **Conclusion**

The **Hyundai 31030-4Z000 filler neck hose** is a high-quality, reliable component that ensures proper fuel system function, safety, and compliance with vehicle specifications. Its primary advantages lie in **fitment, durability, and warranty coverage**, making it ideal for owners who prioritize long-term reliability and peace of mind. However, the **higher cost and limited availability** may deter budget-conscious buyers or those who prefer aftermarket solutions.

For most Hyundai/Kia owners experiencing **fuel system leaks, vapor loss, or fuel cap issues**, the OEM part is the safest and most effective choice. If the vehicle has minimal mileage or no history of fuel-related problems, an **aftermarket hose from a reputable brand** (e.g., Denso, ACDelco, or Bosch) could be a cost-effective alternative, provided the buyer verifies compatibility and quality.

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### **Recommendation**

- You are experiencing **fuel leaks, vapor loss, or fuel system malfunctions**.

- You want **maximum reliability and warranty coverage**.

- Your vehicle is **high-mileage or has a history of fuel system issues**.

- You are comfortable paying a premium for **OEM quality and fit**.

- Your vehicle has **low mileage and no fuel system problems**.

- You are on a **tight budget** and trust a **reputable aftermarket brand** (e.g., Denso, ACDelco).

- You have **verified the part s compatibility** with your specific vehicle model and year.

- You are purchasing from a **trusted retailer** (e.g., RockAuto, Amazon, or a local auto parts store with good reviews).

**Final Note:** Always inspect the hose for **cracks, brittleness, or fuel residue** before installation. If the vehicle has been sitting unused for an extended period, consider replacing the fuel filter and checking for **contaminants** in the fuel system. For complex installations, consult a **professional mechanic** to avoid voiding warranties or causing further damage.

Details:

Please refer to the photos. The Hyundai Genuine Parts 31030-4Z000 Filler Neck And Hose Assembly is a high-quality replacement part designed specifically for vehicles. With the OE/OEM part number 31030-4Z000 and manufacturer 31030 4Z0 this product ensures a perfect fit reliable performance for your Hyundai vehicle. Made in Korea, South, this rear placement filler neck is designed for easy installation and compatible with gasoline fuel types.

part #: 310304z000 prices

• $90.46-$334.37

specifications fueltanksysteme:

• for makes: Hyundai
• mpn: 31030-4z000
• type: Filler Neck
• features: Easy Installation
• universal fitment: No
• country of origin: Korea, South
• placement on vehicle: Rear
• fuel type: Gasoline

shipping fueltanksysteme:

• service: Standard
• class: Standard
• transit: 5-11 Days
• type: Fixed
• cost: $0.00

seller fueltanksysteme:

• rating: 99.6%
• city: Garfield, New Jersey
• # reviews: 10243

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: New

offer fueltanksysteme:

• best offers: True
• quantity: 1
• availability: In Stock
• started: May 25, 2026
• options: Ship-to-home
• sold: 0

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Discover

returns fueltanksysteme:

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

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