1. Fuel Tanks & Filler Necks Deals
  2. sku: 24817132205744663
  3. MERCEDES 906-470-06-20

MERCEDES 906-470-06-20 Filler Neck Benz

fits make: Mercedes.

906-470-06-20 Mercedes-benz Genuine Filler Neck

( Manufacturer Part Number: 906-470-06-20 ), ( Part Type: Filler ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes )

Review MERCEDES benz Genuine Filler Neck

The **Mercedes-Benz 906-470-06-20 Filler Neck** is a precision-engineered component designed specifically for the iconic Mercedes-Benz OM617 diesel engine, a powerplant renowned for its durability and performance in a wide range of applications, from luxury sedans to robust commercial vehicles. This high-quality filler neck, also commonly referred to as a fuel filler neck or fuel cap assembly, serves as the critical interface between the vehicle s fuel system and the external environment, ensuring a secure and leak-proof connection while maintaining optimal fuel flow. Crafted from robust, corrosion-resistant materials likely high-grade plastic reinforced with fiber or metal inserts this part is built to withstand the rigors of daily use, including exposure to harsh weather conditions, road debris, and the mechanical stresses of frequent refueling. The design incorporates a precise, threaded connection that aligns seamlessly with the engine bay s fuel filler housing, minimizing the risk of misalignment or improper sealing, which could lead to fuel spillage or contamination.

Beyond its functional role, the **906-470-06-20 Filler Neck** plays a vital part in the vehicle s overall fuel system integrity. It is equipped with a secure locking mechanism, often featuring a bayonet-style or threaded closure, which prevents accidental dislodgment during transit or while the vehicle is in motion. This design also deters unauthorized access, adding an extra layer of security against fuel tampering a critical consideration for both personal and commercial fleets. The neck s smooth, tapered interior ensures that fuel flows efficiently into the tank without splashing or creating turbulence, reducing the likelihood of fuel residue buildup that could clog the system over time. Additionally, the component is engineered to meet or exceed OEM specifications, guaranteeing compatibility with the original fuel filler housing and maintaining the engine s performance and efficiency.

For enthusiasts and mechanics alike, sourcing a genuine **Mercedes-Benz 906-470-06-20 Filler Neck** is essential for preserving the vehicle s authenticity and reliability. Whether replacing a worn-out part, upgrading an older model, or ensuring a perfect fit during a restoration project, this filler neck delivers the precision and quality expected from Mercedes-Benz. Its straightforward yet robust design reflects the brand s commitment to engineering excellence, offering a balance of functionality, durability, and ease of installation. Whether used in a classic Mercedes-Benz sedan, a robust diesel-powered van, or a high-performance luxury vehicle, this filler neck ensures that the fuel system operates smoothly, contributing to the long-term health and performance of the engine. Proper installation and maintenance of this component are key to preventing fuel leaks, maintaining optimal fuel pressure, and upholding the vehicle s resale value.

### **Pros and Cons of Buying a Mercedes-Benz 906-470-06-20 Filler Neck**

The **Mercedes-Benz 906-470-06-20** is a filler neck assembly used in the **E320/E350 diesel engine family**, particularly in models like the **OM617** and **OM646** engines. This part is critical for fuel system maintenance, as it connects the fuel tank to the fuel filter and rail. Below is a detailed analysis of its advantages and drawbacks.

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### **Pros**

1. **OEM Quality and Reliability**

- As an original equipment manufacturer (OEM) part, the **906-470-06-20** is designed to meet Mercedes-Benz s strict engineering standards. It is built to last under normal operating conditions, reducing the risk of premature failure compared to aftermarket knockoffs.

2. **Compatibility and Fit**

- This filler neck is specifically engineered for **Mercedes-Benz diesel engines** (particularly the **E320D/E350D** series) and is designed to fit seamlessly without modifications. It ensures proper sealing and fuel flow, preventing leaks or contamination.

3. **Durability and Material Strength**

- The part is constructed from high-quality materials, including reinforced plastic and metal components, which resist corrosion, cracking, and deformation over time. This makes it suitable for long-term use, especially in vehicles subjected to harsh conditions.

4. **Ease of Installation**

- Since it is an OEM part, it is designed to be installed using standard tools and procedures. Most mechanics and DIY enthusiasts with basic automotive knowledge can replace it without significant difficulty. The part typically comes with necessary gaskets and mounting hardware.

5. **Fuel System Integrity**

- A properly functioning filler neck ensures that fuel enters the system cleanly and without restriction. This reduces the risk of **fuel contamination, air intake, or improper fuel pressure**, which can lead to engine performance issues or damage to the fuel pump or injectors.

6. **Resale Value Preservation**

- Using an OEM part like this one helps maintain the vehicle s original specifications, which can be beneficial if you plan to sell the car in the future. Buyers often prefer vehicles that have been maintained with genuine components.

7. **Warranty Coverage (If Purchased New)**

- If you buy this part new from an authorized Mercedes-Benz dealer or distributor, it may still be covered under the manufacturer s warranty, providing peace of mind against defects.

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### **Cons**

1. **High Cost Compared to Aftermarket Alternatives**

- OEM parts like the **906-470-06-20** are significantly more expensive than aftermarket equivalents. For example, while an OEM filler neck may cost **$100 $200**, a high-quality aftermarket version could be available for **$30 $60**. This can be a major drawback for budget-conscious buyers.

2. **Limited Availability Outside Dealerships**

- Unlike aftermarket parts, OEM filler necks may not be readily available at local auto parts stores or online marketplaces. You may need to order it directly from a **Mercedes-Benz dealer, authorized distributor, or specialized OEM parts supplier**, which can add to the inconvenience and cost of shipping.

3. **Potential for Counterfeit OEM Parts**

- When purchasing OEM parts from third-party sellers (e.g., eBay, Amazon, or unscrupulous online retailers), there is a risk of receiving **counterfeit or refurbished parts** that do not meet Mercedes-Benz s quality standards. Always verify the seller s authenticity to avoid this issue.

4. **Longer Lead Times**

- Since OEM parts are not mass-produced for the aftermarket, they may take **weeks or even months** to arrive, depending on the supplier. This delay can be problematic if you need the part urgently for a repair.

5. **Overkill for Minor Repairs**

- If the filler neck is only damaged due to a minor accident (e.g., a small crack or loose fitting), replacing it with an OEM part may be excessive. In such cases, an aftermarket part or even a simple repair kit could suffice, saving money without compromising performance.

6. **Environmental and Ethical Concerns**

- OEM parts are often produced with higher environmental standards, but they also contribute to **electronic waste** when disposed of improperly. Some buyers may prefer aftermarket or remanufactured parts as a more sustainable alternative.

7. **Potential for Overengineering**

- If you are restoring a classic Mercedes-Benz or working on a high-mileage vehicle, some owners may argue that an OEM filler neck is **more robust than necessary**, especially if the rest of the fuel system is already worn out. In such cases, prioritizing other critical components (e.g., fuel lines, injectors) might be more cost-effective.

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### **Conclusion**

The **Mercedes-Benz 906-470-06-20 filler neck** is a high-quality, reliable component that ensures proper fuel system function in compatible diesel engines. Its **OEM status guarantees compatibility, durability, and peace of mind**, making it an excellent choice for owners who prioritize **long-term reliability and vehicle integrity**.

However, the **higher cost, limited availability, and potential for counterfeit parts** make it less ideal for budget-conscious buyers or those who need a quick replacement. If you are working on a **high-value or high-mileage vehicle** where original equipment matters, the **906-470-06-20 is the best choice**. For casual drivers or those on a tight budget, a **high-quality aftermarket alternative** may offer a more practical solution without sacrificing performance.

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### **Recommendation**

- **Buy the OEM part (906-470-06-20) if:**

- You are restoring or maintaining a **high-value Mercedes-Benz diesel vehicle**.

- You want to ensure **long-term reliability and warranty coverage** (if purchasing new).

- You are replacing a **completely failed or damaged** filler neck and do not mind the higher cost.

- You have access to an **authorized dealer or trusted OEM supplier** to avoid counterfeit parts.

- **Consider an aftermarket alternative if:**

- You are on a **tight budget** and the filler neck is only slightly damaged.

- You need the part **quickly** and cannot wait for OEM shipping times.

- You are working on a **project vehicle** where cost savings are prioritized over originality.

- You have experience with **high-quality aftermarket brands** (e.g., **Fel-Pro, Dorman, or Bosch**) and trust their compatibility.

**Final Verdict:** For most **serious Mercedes-Benz owners**, the **906-470-06-20 is the best choice** due to its reliability and fitment. However, if cost or time constraints are a factor, a **well-reviewed aftermarket replacement** can be a reasonable compromise. Always **verify the seller s authenticity** if buying OEM to avoid counterfeit parts.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 9064700620 prices

  • $73.60-$85.32

specifications fueltanksysteme:

  • for makes: Mercedes
  • mpn: 906-470-06-20
  • part type: Filler
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • genuine oem: Yes

offer fueltanksysteme:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: May 31, 2026

returns fueltanksysteme:

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

seller fueltanksysteme:

  • rating: 98.8%
  • city: Fargo, North Dakota
  • # reviews: 520

payments fueltanksysteme:

  • other
  • wallet: Paypal
  • credit card: Visa

general fueltanksysteme:

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

shipping fueltanksysteme:

  • type: Fixed
  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver
  • class: Standard, Expedited, One-day
  • transit: 3-5 Days
  • cost: $31.73
  • carrier: UPS
for makes: mercedes, part type: filler, manufacturer warranty: 1 year, fitment type: direct replacement, genuine oem: yes,
category: auto parts > car truck parts accessories > air fuel delivery > fuel tanks filler necks, sku: 24817132205744663,
Mercedes 906-470-06-20 Is Similar To:
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3 offers $73.60–$85.32 USD
  • New. Offer #1 priced at $73.60 + $31.73 shipping estimate = $105.33* total. +$31.73 shipping
  • Neu. Offer #2 priced at $85.32 + $53.63 shipping estimate = $138.95* total. +$53.63 shipping
  • New. Offer #3 priced at $82.80 + $25.93 shipping estimate = $108.73* total. +$25.93 shipping

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