
FuelTech- WB-o2 Sensor
Premium Grade Components
We Know Our Products
Safely Buy Your Favorite Products
Free Ground Shipping In The U.S.
The FuelTech NanoPRO is a powerful 3-in-1 solution designed for racers, tuners, and builders who demand advanced data, control, and precision in one compact unit. Acting as an O2 conditioner, digital dash display, and switch panel, the NanoPRO brings incredible functionality and flexibility to your vehicle’s electronics setup.
Perfect for automotive, marine, and off-road applications, this touchscreen-enabled device connects directly to your FuelTech ECU via CAN bus, delivering ultra-fast data feedback and advanced system control in a rugged, compact package.
Compatible with Bosch LSU 4.2, 4.9, 5.2, and NTK ZFAS-U2 & A2 sensors
3 customizable heating modes: Normal, Fast, and Current Limited
Auto start-up and temperature control for sensor protection
Supports wideband readings below 0.21 λ for high accuracy and responsiveness
2-inch full-color touchscreen display
Secondary gauge function with real-time sensor readouts
Display up to 5 customizable screens showing oil pressure, boost, RPM, engine temp, and more
Easy-to-read layout and intuitive user interface
Built-in virtual switches accessible through the display
Communicates via CAN bus to your FuelTech ECU
Frees up analog inputs and adds convenience for custom controls
IP67-rated (when properly connected to the harness)
Suitable for harsh environments: marine, off-road, or street/strip use
Compact design for easy mounting and integration
FuelTech NanoPRO Unit
Installation harness
User instructions
(Wideband O2 sensors sold separately)
The FuelTech NanoPRO is built for builders who need more from their electronics without adding bulk or complexity. Whether you're tuning air-fuel ratios, monitoring engine vitals, or adding digital controls — this all-in-one unit delivers unmatched capability in a sleek, rugged package.