Radium Engineering 5mm Barb Vacuum Port Adaptor
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Radium Engineering 5mm Barb Vacuum Port Adaptor - Universal Radium FPR / FPD - 10-32 Thread
A small but essential component, this vacuum port adaptor from Radium Engineering keeps your fuel pressure regulator or fuel pulse damper properly connected to its vacuum or boost reference line. Precision machined and finished in black zinc plating for corrosion resistance, it's the same part included as standard with Radium FPRs and FPDs — making it ideal as a replacement when the original gets damaged or lost during a build.
This listing covers the Radium Engineering 14-0190 vacuum port adaptor. It is a universal fitment item compatible with a wide range of Radium products including the MPR Multi-Port Regulator, DMR Direct Mount Regulator, FST-R Fuel Surge Tank, FPD-R, FPD-XR, FPR-D, and applicable Radium fuel hangers for BMW, Ford, and Nissan platforms.
Note: This adaptor is included as standard with all Radium fuel pulse dampers and fuel pressure regulators. Read the installation instructions before removing the factory-installed barbed nipple.
Specifications
- Part Number: 14-0190
- Thread: 10-32
- Barb size: 5mm (3/16 in)
- Compatible hose sizes: 4mm (5/32 in), 5mm (3/16 in), 6mm (7/32 in)
- Finish: Black zinc plated
- Construction: Precision machined
Product compatibility details are provided in the tabs above. Please confirm your specific Radium product model before ordering.
Not sure if this adaptor 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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