Radium Engineering Pump Outlet Adapter Extended
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Radium Pump Outlet Adapter - Extended
Radium Engineering produces precision machined fuel system components trusted by motorsport builders worldwide. This extended pump outlet adapter is a purpose-built solution for Walbro fuel pump installations where additional outlet height is needed to clear surrounding components or simplify fuel line routing.
This listing covers the Radium Engineering 20-0599 Extended Pump Outlet Adapter, compatible with a wide range of Walbro fuel pumps including the GSS341, GSS342, F90000262, F90000267, F90000273, F90000274, F90000285, and F90000295. Suited to fuel cells, surge tanks, and custom pump hangers.
Note: This adapter is approximately 11mm (0.42 in) taller than the standard 20-0598 adapter. Confirm available clearance in your application before ordering.
Key Features
- Extended length — approximately 11mm (0.42 in) taller than standard 20-0598 adapter
- Converts Walbro pump outlet to -6AN male fitting
- CNC-machined billet aluminium construction
- Anodised finish for corrosion resistance and long term durability
- Compatible with petrol, E85, and alternative fuel types
- Provides additional clearance for tight or complex installations
Compatible pump models and fitment notes are provided in the tabs above. Confirm your pump model before ordering.
Not sure if this adapter suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
Universal fitment — verify dimensions before ordering.
No instructions available for this product.

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