Eco OBD2+（Drive Nitro） Chip Tuning Box. Plug and Drive OBD2 Chip Tuning Box. It works based OBD2 protocols as remapping the Car's computer ECU. EcoOBD2 is easy to install. Just plug it into the OBD2 connector of cars.
eBay
Universal 2" 52mm Fuel Level Gauge Car Vehicle Meter with Fuel Float Sensor White LED Light Black Shell Automotive Gauges 12V
Aliexpress UK
Easy installation: Adopting a lightweight plug and play design, simply connect the fuel saver to the 12V power interface - no tools or professional assistance required. Daily driving performances optimization: Perfectly balancing urban and highway conditions, helping you achieve maximum range and performances no matter where you are driving.
eBay
Universal 1/8 NPT Fuel Pressure Gauge Liquid Filled Polished Case 0-160 psi and adaptor kit For fuel injection systems
Aliexpress UK
Enhanced Engine Performance: This fuel saver optimizes your vehicle's power, torque, and fuel efficiency, smoother starts and improved response for an enhanced driving experience. Car fuel-saving machine 1PC.
eBay
0-190 ohm Fuel Float Sensor + 52mm Fuel Level Gauge 7 Color Light Waterproof IP67 Oil Tank Meter Indicator Car Yacht 12V 24V
Aliexpress UK
Enhanced Engine Performance: This fuel saver optimizes your vehicle's power, torque, and fuel efficiency, smoother starts and improved response for an enhanced driving experience. Car fuel-saving machine 1PC.
eBay
4 In 1 Oil Pressure+Water Temperature+VOLT+Fuel Gauge with Flashing Alarm Light 0-10Bar Oil Press Meter 0-190ohm Fuel Level
Aliexpress UK
Eco OBD2 Chip Tuning Box. Plug and Drive OBD2 Chip Tuning Box. It works based OBD2 protocols as remapping the Car's computer ECU. - EcoOBD2 is easy to install. Just plug it into the OBD2 connector of cars.
eBay
21V Fuel Transfer Pump Portable lithium battery inserted barrel pump 3200W Diesel Kerosene Electric oil pump fuel dispenser
Aliexpress UK
Enhanced Engine Performance: This fuel saver optimizes your vehicle's power, torque, and fuel efficiency, smoother starts and improved response for an enhanced driving experience. Car fuel-saving machine 1PC.
eBay
Universal 1/8 NPT Fuel Pressure Gauge Liquid Filled Polished Case 0-160 psi and adaptor kit For fuel injection systems
Aliexpress UK
Enhanced Engine Performance: This fuel saver optimizes your vehicle's power, torque, and fuel efficiency, smoother starts and improved response for an enhanced driving experience. Car fuel-saving machine 1PC.
eBay
52MM Fuel Level Gauge Red Backlight Pointer Oil Tank Meter Auto Marine Boat Car 12V 24V Used with Sensors Fuel Tank Level Gauge
Aliexpress UK
Eco OBD2+（Drive Nitro） Chip Tuning Box. Plug and Drive OBD2 Chip Tuning Box. It works based OBD2 protocols as remapping the Car's computer ECU. EcoOBD2 is easy to install. Just plug it into the OBD2 connector of cars.
eBay
0-15 PSI Electronic Fuel Pressure Gauge With 1/8 Npt Sensor Fuel Pressure Red Display Digital Ultra-Thin Gauge
Aliexpress UK