Radium: Fuel Level Senders and Accessories
This fuel level sensor uses the standard SAE 5-bolt mounting pattern, extensively used with the Radium Fuel Cell Surge Tank.

Full stainless steel sealed construction with magnetic float.
Resistance: 0 ohm empty, 90 ohm full

Suitable for use with gasoline, diesel, water, and all alcohol based fuels including methanol, ethanol, E85, etc.

NOTES:
- All level senders are 0 ohms empty to 90 ohms full (common with many aftermarket gauges.)
- Radium does not sell fuel level gauges, but a popular option is this Autometer Fuel Level Gauge
- To test the sender, measure the resistance between the two wires while tipping the sender to allow the float to move.
- If purchased with a Radium Fuel Cell Surge Tank (FCST), the sender will come pre-installed.

WHATS INCLUDED:
- Level Sensing Probe
- SAE 5-Bolt Gasket
- Stainless Bolts 10-32 (x5)
- Deutsch DT 2P Connector
- Deutsch DT Sockets (x2)

SPECIFICATIONS:
- PROBE MATERIAL: 304 Stainless Steel
- FLOAT MATERIAL: Plastic Buna-N
- MOUNTING FLANGE: 5-Bolt SAE
- MOUNTING GASKET: FKM Viton
- RESISTANCE: 0 (Empty)-90 (Full) Ohms
- PVC WIRES: 18" (460mm) with PA Cover
- CONNECTORS: Deutsch DT, 2P
- OPERATING TEMP: -40F to +185F
20-0439 12AN ORB to 5-Bolt SAE Adapter
When a level sender is not used, this adapter can be used to increase venting for custom installations. It converts the fuel level flange to a large 12AN ORB female port.

NOTE: a fuel level sender cannot be used with this adapter in place.

20-0146 Fuel Level Sender Block-Off
This block-off plate kit is used when the 5-bolt SAE flanged fuel level sensor is not used. This is extensively used for customers with the Radium Fuel Cell Surge Tank. NOTE: Radium 20-049X-XX FCST does not require the sealing washers.
Includes:
- Anodized 1/8" Aluminum Blank Plate
- 5 Bolt Sending Unit Viton Gasket
- Stainless Steel 10-32 Threaded Bolts
- Nylon Sealing Washers

18-0020 Gasket, 5-Bolt Fuel Level Sender
This 5-bolt SAE pattern gasket is used for many fuel cell level senders. The 1/16" thick material is a premium quality variation of FKM Viton.
