This Radium Engineering Fuel Level Sender Adapter is required when using a Radium in-tank fuel pump hanger on the 2015-2021 Subaru WRX with the FA20 engine, retaining the factory fuel level sender.
| Type | Fuel level sender adapter |
| Fitment | Subaru WRX FA20 2015-2021 |
| Part Number | 20-0850 |
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