Mechanical Fuel Tank Level Sensor Gauge - China Spiral Content Gauge and Mechanical Gauge
Ultrasonic Fuel Tank Level Sensor,Digital Diesel Oil Gauge
9.5" Resistive Fuel Tank Level Sensor - S3 Operates at 240-33 Ohms, 316 Stainless Steel, Liquid Level Gauge Water Sensor Sender Unit for Use in Trucks, Buses, Generators, or Gen Set :
Fuel Sender Unit Boat Fuel Tank Sending Unit Fuel Water Level Sensor Stainless Steel Fuel Sender and Fuel Gauge for Boat Car Truck RV (6"(150mm)) : Amazon.ca: Automotive
Hacking A Fuel Sensor Into A Portable Tank, Literally | Hackaday