DUKES 3487-00-55N Fuel Valve Selector Piper Inc. 3-WAY P/n PA-34-220T

( Brand: Dukes ), ( Manufacturer Part Number: 3487-00-55N ), ( Part Type: Fuel Valve ), ( Suitable Media: Fuel ), ( Valve Operation: Manual )

Review DUKES Inc. 3-way Fuel Valve Selector P/n From Piper

The **Dukes 3487-00-55N 3-Way Fuel Valve Selector (P/N PI-34-220T)** is a precision-engineered aircraft component designed specifically for Piper PA-34-220T Seneca aircraft, ensuring seamless fuel system operation and optimal performance during flight. This high-quality, aircraft-grade fuel valve selector is crafted from durable materials to withstand the rigorous demands of aviation environments, including temperature fluctuations, vibration, and high-pressure fuel flow. The valve features a robust **3-way selector mechanism**, allowing pilots to effortlessly switch between **left tank, right tank, or both tanks simultaneously**, providing flexibility and redundancy in fuel management. Its **metallic construction** ensures long-term reliability, while the **smooth, low-friction operation** minimizes wear and tear, reducing the risk of malfunctions during critical phases of flight. The valve is equipped with a **clear, easy-to-read label system** for quick identification of fuel source selection, enhancing operational efficiency in the cockpit. Whether used for routine maintenance or as a replacement part, this valve selector adheres to strict aviation standards, guaranteeing compatibility with the Piper PA-34-220T s fuel system while maintaining the integrity of the aircraft s performance. Its compact yet sturdy design integrates seamlessly into the existing fuel control panel, making it an essential component for pilots who prioritize both functionality and durability in their aircraft systems.

### **Pros and Cons of buying a Duke s 3487-00-55N (3-Way Fuel Valve Selector for Piper PA-34-220T)**

1. **Direct Compatibility** This part is specifically designed for the Piper PA-34-220T (Seneca), ensuring a proper fit without modification.

2. **Reliability** Duke s is a well-known manufacturer in the aviation industry, producing parts that meet strict OEM standards.

3. **Functionality** A 3-way fuel valve selector allows for manual control of fuel flow between tanks, which is essential for balanced fuel management in multi-tank aircraft.

4. **Ease of Installation** Since it is a direct replacement, installation should be straightforward for a qualified mechanic or pilot with basic avionics knowledge.

5. **Durability** Made from high-quality materials, it should withstand the rigors of repeated use and environmental conditions.

6. **Aftermarket Support** Many aviation repair stations and part suppliers stock Duke s components, making maintenance easier.

7. **Cost-Effective Alternative** Compared to OEM parts, this aftermarket option can be more affordable while maintaining reliability.

1. **Aftermarket vs. OEM** While Duke s is reputable, some pilots prefer original equipment manufacturer (OEM) parts for absolute confidence in long-term performance.

2. **Potential Learning Curve** If the pilot or mechanic is unfamiliar with 3-way fuel selectors, there may be a brief adjustment period in terms of operation and troubleshooting.

3. **Warranty Limitations** Aftermarket parts may not carry the same warranty as OEM components, though Duke s typically offers a solid warranty period.

4. **Compatibility with Modifications** If the aircraft has been modified (e.g., fuel system upgrades), the valve may need additional adjustments or auxiliary components.

5. **Availability of Spare Parts** While common, in rare cases, finding exact replacements or compatible seals/gaskets could be a challenge.

6. **Testing Required** After installation, thorough testing (including fuel flow checks and system leak tests) is necessary to ensure proper function.

7. **Potential for Misuse** If not operated correctly (e.g., rapid switching between tanks), it could lead to fuel starvation or uneven consumption.

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### **Conclusion**

The **Duke s 3487-00-55N 3-way fuel valve selector** is a strong aftermarket option for the Piper PA-34-220T, offering reliability, ease of installation, and cost savings compared to OEM parts. Its direct compatibility and durability make it a practical choice for most owners, provided proper installation and testing are performed. However, those seeking absolute peace of mind may prefer an OEM replacement, especially if the aircraft is heavily modified or used in demanding operations.

For the average Piper PA-34-220T owner, this part is a **recommended purchase** provided it is installed by a qualified technician and thoroughly tested post-installation. Always verify compatibility with any existing fuel system modifications and consult the aircraft maintenance manual for specific procedures.

Buy the **Duke s 3487-00-55N** if you prioritize cost efficiency, reliability, and ease of installation. Ensure proper installation and testing to avoid operational issues. If budget allows, consider an OEM alternative for maximum confidence.

Details:

Please see my other listings from this plane. Removed from 1984 Piper PA-34-220T Seneca III.

part #: 34870055n prices

• $25.00-$550.00

specifications valvesplumbing:

• brand: Dukes
• mpn: 3487-00-55n
• part type: Fuel Valve
• suitable media: Fuel
• valve operation: Manual

returns valvesplumbing:

• policy: No Returns

payments valvesplumbing:

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

shipping valvesplumbing:

• cost: $12.17
• class: Standard
• carrier: UPS
• service: UPS Ground
• type: Calculated
• transit: 4-10 Days

seller valvesplumbing:

• # reviews: 323
• city: Pittstown, New Jersey
• rating: 100.0%

offer valvesplumbing:

• sold: 0
• options: Ship-to-home
• started: June 2, 2026
• best offers: True
• availability: In Stock
• quantity: 1

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

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