
BY280-240 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $49.95 | Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 13.5 (360mm Marine for Boat Vehicle Truck, FREE SHIPPING | 98.1% |
![]() | $59.33 | Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 11"(280mm Marine for Boat Vehicle Truck..., FREE SHIPPING | 98.7% |
![]() | $62.79 | Condition is New, 100Tech Fuel Sending Unit 240-33 Ohms 11"(280Mm Marine For Boat Vehicl, FREE SHIPPING | 99.1% |
![]() | $63.54 | Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 11"(280mm Marine for Boat Vehicle , FREE SHIPPING | 94.7% |
![]() | $70.49 | Top Pick! Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 11"(280mm Marine for Boat Vehicle Truck..., FREE SHIPPING | 99.5% |
![]() | $79.86 | Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 11"280mm Marine Boat Vehicle Truck RV ..., FREE SHIPPING | 99.5% |
![]() | $83.99 | Condition is New, 100TECH Fuel Sending Unit 240-33 ohms 11"(280mm 11", Sender , FREE SHIPPING | 100.0% |
![]() | $89.99 | Condition is New, Fuel Sending Unit 240-33 ohms 280mm Marine for Boat Vehicle Truck RV 100TECH, FREE SHIPPING | 99.4% |
![]() | $139.99 | Condition is New, 240-33 Ohms Fuel Sending Unit 11' Marine Boat Vehicle Truck RV Water Level, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.99 | Condition is New other (see details), 100TECH Fuel Sending Unit 240-33 ohms 13.5 (360mm Marine for Boat Vehicle J, FREE SHIPPING | 98.2% |

Introducing the 100Tech BY280-240 Fuel Sending Unit, specifically designed for marine and RV applications with a fuel tank diameter of 280mm and a sending unit diameter of 240mm. This fuel level sender is an essential component for accurately monitoring the fuel level in your vessel or recreational vehicle's fuel tank.
The BY280-240 Fuel Sending Unit is engineered with precision, featuring a robust and corrosion-resistant construction. The unit's housing is made from high-quality, UV-stable plastic to ensure durability and longevity in marine environments. The sending unit's float is made from a heavy-duty material that resists wear and tear, ensuring optimal performance and accuracy in measuring fuel levels.
This fuel sending unit operates on a 12V DC power supply and features a 3/8 NPT threaded connection for easy installation. The unit's float design allows for a wide range of fuel levels to be measured, providing accurate and reliable readings. The sender's resistance changes proportionally with the fuel level, making it compatible with various types of fuel gauges.
The 100Tech BY280-240 Fuel Sending Unit is an excellent choice for boat owners and RV enthusiasts who demand precision and reliability in their fuel level monitoring systems. Its rugged construction, proven performance, and ease of installation make it the go-to solution for those who require an accurate and dependable way to monitor their fuel levels.
In summary, the 100Tech BY280-240 Fuel Sending Unit is a top-tier, 280mm marine and RV fuel level sender that boasts a robust and corrosion-resistant design, wide fuel level measurement range, and ease of installation. It is an essential component for ensuring accurate and reliable fuel level monitoring in your marine or RV application.
The 100TECH BY280-240 fuel sending unit is a crucial component in the fuel system of boats and RVs. It measures the fuel level and sends the information to the gauge or display. Let's examine the pros and cons of buying this fuel sending unit.
Pros:1. Accurate fuel level measurement: This fuel sending unit ensures accurate fuel level measurement, allowing users to monitor their fuel levels efficiently.
2. Universal fit: The unit is designed to fit most 280mm (11-inch) fuel tanks, making it a versatile option for boat and RV owners.
3. Durable construction: The 100TECH BY280-240 fuel sending unit is built to withstand harsh marine and RV environments. It features a corrosion-resistant stainless steel float and a tough, UV-resistant housing.
4. Easy installation: This fuel sending unit comes with a straightforward installation process, which saves time and effort for users.
Cons:1. Potential compatibility issues: Although the unit is advertised as a universal fit, some users have reported compatibility issues with specific fuel tank models. It is essential to double-check compatibility before purchasing.
2. Sensitive to air bubbles: The fuel sending unit may produce inaccurate readings if it encounters air bubbles in the fuel line. Proper fuel system setup and maintenance is necessary to avoid this issue.
3. Limited availability: The 100TECH BY280-240 fuel sending unit may not be readily available in all retail stores, making online purchasing the most convenient option.
In conclusion, the 100TECH BY280-240 fuel sending unit offers accurate fuel level measurement, universal fit, durable construction, and easy installation. However, potential compatibility issues, sensitivity to air bubbles, and limited availability are points to consider before making a purchase.
Based on the information provided, it is recommended to carefully evaluate your specific fuel tank requirements and compatibility before purchasing this fuel sending unit. If the compatibility is confirmed and the benefits outweigh the drawbacks, the 100TECH BY280-240 fuel sending unit can be a valuable addition to your boat or RV's fuel system.
Details:
No adjustment needed for tank. It is the direct replacement for arm type sender. Easy to install the fuel level sending unit comes with gasket,mounting screws,well-written and illustrated instructions; wiring instructions are straight forward follow. The size of float diameter is 1.38 35mm.
100tech fuel sending unit 240-33 ohms 11 280mm Marine for boat vehicle truck rv tank water level gas sender sensor gauge unit, packaging may vary, - stainless steel flue is made with oik reed switch imported from japan. The advantage of this fuel level sender over thick-film swim arm type is the reed switch's durability and reliability. Sae 5 hole mounting pattern, heavy duty 316 stainless steel and rugged construction. The flue/water level sensor with American standard output 240-33 ohms 240 at empty, 33 full.
Wide application: it could support fuel level gauge and water for boat/auto.
specifications inboardfuel:
- for models: Marine
- for years: 2011
- brand: 100tech
- mpn: By280-240
- part type: Fuel Sending Unit
- upc: 757842002333
- color: 240-33 Ohms Sender
seller inboardfuel:
- rating: 98.9%
- city: anaheim, california
- # reviews: 3376
payments inboardfuel:
- other
- wallet: apple-pay
- credit card: discover
shipping inboardfuel:
- class: standard
- type: fixed
- transit: 3-8 days
- service: standard
returns inboardfuel:
- policy: no returns
offer inboardfuel:
- sold #: 22
- availability: in stock
- in stock #: 5
- started: april 8, 2025
- options: ship-to-home
- prices: $24.99–$139.99
- item condition:
- New
- New other (see details)
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
Similar Items:
- YFZYB10: FUEL SENDER GAUGE TANK, 100tech
- 01-8722: SWITCH FUEL TANK SENDING UNIT, 100tech
- BY200-240: FUEL SENDING UNIT, 100tech
- BY380-240: FUEL SENDING UNIT, 100tech
- X002Y3LY5H: FUEL SENDING UNIT, 100tech
- 757842002326: FUEL SENDING UNIT SENSOR, 100tech
- 17C5-BY430: FUEL SENDING UNIT, 100tech
- 780669612386: FUEL SENDING UNIT TANK, 100tech
- BY180-240: FUEL GAUGE SENDING UNIT TANK, 100tech
- BY130-240: FUEL SENDING UNIT TANK SENSOR, 100tech
- BY360-240: FUEL SENDING UNIT TANK, 100tech









