Radium Engineering Fuel Plumbing Kit
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Radium Engineering Fuel Plumbing Kit - Subaru WRX / STI (GR / GV / VA)
These Radium Engineering fuel hanger plumbing kits work with the Radium in-tank fuel pump hanger for late-model Subarus, converting the returnless OEM system into a full return-style setup with post-pump filtration. They suit high-performance builds running aftermarket fuel rails and a fuel pressure regulator.
An 8AN PTFE feed hose runs from the fuel pump hanger to a Radium fuel filter mounted beneath the chassis on the supplied bracket, an 8AN rubber hose carries fuel on to the engine, and a 6AN rubber return hose brings fuel from the regulator back to the tank. Billet aluminium retainers and stainless hardware secure the lines. Use the variant selector to choose the filter element: cleanable, reusable 10-micron stainless steel (20-0629-03) or high-efficiency 6-micron microglass (20-0629-05).
Note: Designed for use with the Radium late-model Subaru fuel pump hanger, aftermarket fuel rails and a fuel pressure regulator (all sold separately). The filter bracket bolts on with no drilling required. Installation by a professional is recommended.
Pairs Well With
- Radium Engineering Fuel Pump Hanger - Subaru WRX / STI (GR / GV / VA)
- Radium Engineering RA-Series FPR Kit - Subaru WRX STI (GR / GV / VA)
- Radium Engineering Fuel Rail Plumbing Kit (Parallel) - Subaru WRX / STI (EJ20 / EJ25)
- Radium Engineering Replacement Fuel Filter Element - Universal
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Subaru | Impreza WRX | GE | 2008–2014 | - |
| Subaru | Impreza WRX | GH | 2008–2014 | - |
| Subaru | Impreza WRX STI | GR | 2008–2014 | - |
| Subaru | Impreza WRX STI | GV | 2010–2014 | - |
| Subaru | Forester | - | 2008–2014 | All |
| Subaru | Forester XT | SJ | 2014–2018 | - |
| Subaru | WRX | VA | 2015–2021 | - |
| Subaru | WRX STI | VA | 2015–2021 | - |
Product
- Brand
- Radium Engineering
- Part number(s)
- 20-0629-03, 20-0629-05
- Stainless Filter (10 Micron) – Part number
- 20-0629-03
- Microglass Filter (6 Micron) – Part number
- 20-0629-05
Details
- Product
- Fuel hanger plumbing kit (return-style conversion)
- Filter media
- Stainless steel 10 micron (cleanable) or microglass 6 micron
- Feed hoses
- 8AN PTFE (hanger to filter), 8AN rubber (filter to engine)
- Return hose
- 6AN rubber
- Line retainers
- Billet aluminium
- Hardware
- Stainless steel
- Use with
- Radium late-model Subaru fuel pump hanger (20-078X)
- Fuel compatibility
- E85 and all popular fuels
Contents
Fuel Filter: Stainless or Microglass (based on selection)
Heat Exchanger Mount Bracket
Billet Filter Clamp
PTFE and Rubber Fuel Hoses
Hose Ends and Adapter Fittings
Billet Fuel Line Retainers
Stainless Steel Hardware

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