



Radium Engineering Fuel Level Diagnostic Indicator
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Description
Radium Fuel Level Diagnostic Indicator
Application: Radium 20-0461 fuel level switch (FST, current Standard FST, MPFST, MPFST-R, FCST, FCST-X)
Part Type: LED fuel level diagnostic indicator
Part Number: 20-0508
The Radium Fuel Level Diagnostic Indicator is an LED visual reference designed to be used with the Radium 20-0461 Fuel Level Switch. When the switch is triggered, its signal goes directly to the LED. Although it is often impractical to watch while driving, it is very useful for diagnosing a possible fuelling issue.
Key Features
- Direct Switch Signal: LED lights when the 20-0461 level switch triggers
- Diagnostic Aid: Visual reference for diagnosing fuelling issues
- 2AN ORB Mount: Installs in a 2AN ORB (5/16"-24) port
- Complete Wiring Parts: Eyelet terminals, heat shrink and abrasion sleeve included
What's Included
- LED with flying leads
- 2AN ORB LED mount
- Eyelet terminals
- Heat shrink
- Abrasion sleeve
Optional Parts
- Radium Fuel Level Switch, 1/8" NPT (20-0461) – the fuel level switch this indicator works with (required)
- Radium Fuel Level Switch Plus Diagnostic Indicator (20-0519) – combined fuel level switch and diagnostic indicator kit
Important Notes
- Requires the Radium 20-0461 Fuel Level Switch (sold separately)
- A 2AN ORB (5/16"-24) threaded port is required for installation
- If stacking on top of the fuel level switch, the panel thickness must be 19mm (0.75in) minimum
- Soldering is required
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

