INFINITI Fuel Filler Neck Gas Tank Hose Pipe Line Tube 17221-EH10B 4.5L

( Manufacturer Part Number: 17221EH10B ), ( Country Of Origin: Japan ), ( Shape: J-shape ), ( Material: Plastic, Metal ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Fuel Type: Gasoline ), ( Type: Filler Neck ), ( Ipn: 17221-eh10b ), ( Features: Easy Installation ), ( Finish: Painted )

Review INFINITI Fuel Filler Neck 4.5l Gas Tank Hose Pipe Line Tube Oem fits M45 2006–2010

The **Infiniti I35 (M45) Fuel Filler Neck Assembly (Part Number: 17221-EH10B)** is a precision-engineered component designed exclusively for the 2006 2010 model year Infiniti I35 4.5L V8 vehicles, ensuring a seamless and secure fueling experience while maintaining optimal performance and safety standards. This high-quality, OEM-specification filler neck assembly features a robust, corrosion-resistant construction, crafted from durable materials that withstand the rigors of daily use, including exposure to fuel vapors, environmental contaminants, and mechanical stress. The assembly integrates a sleek, ergonomic fuel cap housing with a precision-molded rubber gasket, providing an airtight seal to prevent fuel evaporation and minimize emissions, all while offering a smooth, click-resistant closure mechanism for convenience. The integrated fuel line tube, reinforced with flexible yet sturdy material, ensures a secure connection between the fuel tank and the filler neck, reducing the risk of leaks or disconnections during refueling. This assembly is engineered to fit perfectly within the vehicle s fuel filler door frame, aligning seamlessly with the factory specifications to guarantee a snug, interference-free installation. Whether replacing a worn-out or damaged original component or upgrading during a maintenance overhaul, this filler neck assembly delivers the reliability and performance expected from Infiniti s high-end engineering, ensuring your vehicle operates at peak efficiency while adhering to strict automotive industry standards.

### **Pros and Cons of buying a Infiniti 17221EH10B Fuel Filler Neck (M45, 2006 2010, 4.5L Gas Tank Hose/Line/Tube)**

1. **Direct Fitment** This part is specifically designed for the **Infiniti M45 (2006 2010) with a 4.5L engine**, ensuring compatibility without modifications.

2. **OEM Quality** If sourced from a reputable supplier, it should meet or exceed factory specifications, reducing the risk of leaks or performance issues.

3. **Prevents Fuel Leaks** A worn or cracked fuel filler neck can cause fuel spills, which are hazardous and can damage the vehicle s undercarriage or trigger emissions failures.

4. **Improves Fuel System Reliability** A failing fuel line can lead to fuel starvation, engine misfires, or difficulty starting. Replacing it ensures a smooth fuel flow.

5. **Easy Installation** The part is relatively straightforward to replace, requiring basic tools and minimal mechanical skill.

6. **Cost-Effective** Replacing a single component is far cheaper than dealing with secondary issues caused by a failing fuel system (e.g., fuel pump failure, sensor malfunctions).

7. **Prevents Emissions Failures** A leaking fuel line can trigger check engine lights due to improper fuel delivery, leading to costly repairs if ignored.

1. **Potential Counterfeit Parts** If purchased from an untrusted seller (e.g., eBay, Amazon, or unknown marketplaces), the part may be a **cheap aftermarket knockoff** that fails prematurely or doesn t fit correctly.

2. **Mixed Quality in Aftermarket Parts** Even if labeled as "OEM," some suppliers may use **substandard materials**, leading to early wear or leaks.

3. **Installation Challenges** If the vehicle has been previously modified (e.g., aftermarket fuel systems, reinforced tanks), the stock fuel filler neck may not align properly.

4. **Limited Availability** Since this is an older model, finding a **genuine OEM part** may require checking specialized auto parts stores or online marketplaces like **RockAuto, eBay (verified sellers), or Infiniti dealerships**.

5. **Possible Resale Value Impact** If the part is replaced with a **non-OEM or mismatched component**, it could affect the vehicle s resale value or certification (e.g., for classic or high-mileage cars).

6. **Fuel Line Routing Issues** If the original line was damaged due to **road debris, rust, or improper handling**, the new part may still fail if the underlying cause isn t addressed.

7. **Time-Consuming Search** Finding the **exact correct part number** (17221EH10B) can be tricky if the seller lists it incorrectly, leading to delays.

---

Replacing the **Infiniti 17221EH10B fuel filler neck** is a **wise preventive maintenance step** for the **M45 (2006 2010, 4.5L)** to avoid fuel leaks, engine performance issues, and emissions problems. However, **quality and sourcing are critical** purchasing from a **trusted supplier** (preferably with a return policy or warranty) ensures longevity.

If the part is **genuine OEM or high-quality aftermarket**, the benefits **far outweigh the risks**. If purchased from an **unverified seller**, the risk of a **poor fit or early failure** increases significantly.

---

1. **Buy from a Reputable Source**

- **RockAuto** (filter by "OEM" or "High Quality")

- **eBay (verified Infiniti/Infiniti M45 sellers)**

- **Local Infiniti dealership parts department** (most reliable but may be pricier)

- **Specialty auto parts stores** (e.g., **Advanced Auto Parts, NAPA, AutoZone** with OEM filters)

2. **Verify the Part Number** Ensure the listing confirms it s the **17221EH10B** (some sellers may mislabel it as a generic "fuel filler neck").

3. **Check for Genuine OEM or Top-Tier Aftermarket**

- **Genuine Infiniti parts** (best fitment, but expensive)

- **DuraLast, ACDelco, or Bosch** (reliable aftermarket alternatives)

4. **Inspect the Fuel System Before Installation**

- Check for **rust, cracks, or damage** in the fuel tank or surrounding lines.

- Ensure the **fuel pump and sender unit** are functioning properly.

5. **Follow Proper Installation Steps**

- Disconnect the battery before working on fuel components.

- Use **clamp-style connectors** (if applicable) to prevent leaks.

- Test for leaks after installation by **starting the engine and checking for drips**.

6. **Consider a Fuel System Cleaning** If the vehicle has high mileage, a **fuel system cleaner** (e.g., **Techron, Seafoam**) can help maintain optimal fuel flow.

**Final Verdict:** **Worth the replacement** if sourced correctly **avoid cheap knockoffs** to prevent future issues. A well-maintained fuel system ensures **reliability, efficiency, and longevity** for your Infiniti M45.

Details:

2006 Infiniti M45 4.5L V8 4Dr Sedan 2WD Gasoline JNKBY01E56M203610. Fuel Filler Neck Gas Tank Hose Pipe Line Tube OEM, P20469 Misc, By: RAF 14/11/23, This Parts May Also Fit: M35 06-10.

part #: 17221eh10b prices

• $59.99-$128.99

specifications fueltanksysteme:

• for models: M45
• for makes: Infiniti
• for years: 2006-2010
• mpn: 17221eh10b
• country of origin: Japan
• shape: J-shape
• material: Plastic, Metal
• vintage part: No
• placement on vehicle: Rear
• fuel type: Gasoline
• type: Filler Neck
• ipn: 17221-eh10b
• features: Easy Installation
• finish: Painted

returns fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• sold: 0
• quantity: 1
• best offers: True
• started: April 20, 2026
• availability: In Stock

general fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.7%
• # reviews: 15473
• city: Houston, Texas

payments fueltanksysteme:

• credit card: Discover
• other
• wallet: Google-pay

shipping fueltanksysteme:

• type: Fixed
• cost: $49.99
• service: Economy, UPS Ground
• carrier: UPS
• transit: 4-10 Days
• class: Economy, Standard

Infiniti 17221EH10B Is Similar To:

• 17040 Cdg010 Dealer Infiniti Coupe Fuel Filter Gas Pump Motor 729884280758 (35.8% similar) ...(May 9th, 2018)
• 17202-1ma0a Infiniti Rwd Fuel Gas Tank Protector (38.2% similar) American auto export ft...(February 22nd, 2019)
• 17251-1nc0b 78830-1ca0a Infiniti Fuel Filler Gas Tank Lid Door White (44.9% similar) American auto export ft...(October 25th, 2018)
• 17251-3gm0b Nissan Infiniti Genuine Oem Fuel Cap (26.5% similar) Image not available for this item...(April 3rd, 2018)
• 172515dc0a Nissan Infiniti Oem Fuel Tank Cap (33.3% similar) With your vin, will verify application in our factory-provided infiniti Nissan or Subaru catalogs for us market vehicles. All other parts must be in a re-sellable condition: its original packaging, not have been ripped open, having installed, and the part number label damaged. Every effort is made ...(August 2nd, 2018)
• 17251cl70a Nissan Infiniti Oem Fuel Tank Cap (33.3% similar) Every effort is made to ensure information accurate, however, infiniti and Subaru vehicles are heavily reliant on production dates, model's, trim levels, a detail can be missed. No warranty can be provided on any parts if purchased thoroughest...(September 22nd, 2018)
• 78830-cg000 Infiniti Fuel Filler Gas Tank Lid Door Oem (52.1% similar) 5l v6 4WD VQ35DE mileage: 196. For large items engines, doors, etc. If you don't want any surprises - keep in touch with the transporter yourself. Removed from: 2003 infiniti FX35 they are often late and can come without a call at any time. It is important that if you are happy with your service ...(October 23rd, 2018)
• 78830-jl07b Infiniti Coupe Gas Fuel Tank Filler Door Lid Cover Cap (39% similar) American auto export ft...(October 16th, 2018)
• 78830ej70a Infiniti Rwd Fuel Filler Tank Door Lid Cover Cap (46.3% similar) American auto export ft...(August 28th, 2018)
• 911-250 Dorman Fuel Level Sensor Right Fits Infiniti 885484767225 (17% similar) ...(April 4th, 2018)
• 911-254 Dorman Fuel Level Sensor Right Fits Infiniti 885484767461 (14.4% similar) All parts come with a 1-YEAR warranty and 30-DAY return period. 6 sedan 4-DOOR, base hybrid premium sport inspiration perfection seduction x 4-DOOR. This part fits vehicles made in the following years 2011 , 2012 , 2013 , 2014 , 2015 , 2016...(August 27th, 2018)