
Radium Engineering 12AN Female Fitting to Air Filter
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Description
Radium 12AN Female Fitting to Air Filter
Application: Universal – fuel cells with direct fill caps and a 12AN male vent fitting (e.g. 12AN DSV)
Part Type: 12AN female to 3/4" barb fitting with air filter
Part Number: 20-0485
The Radium 20-0485 combines a Radium air filter with a 12AN female to 3/4" barb fitting, providing a compact filtered vent that mounts directly on a 12AN male vent fitting. It is often paired with a Radium 12AN DSV.
Because the top of the fuel fill tube must not sit higher than the air filter, this setup is generally only used with direct fill caps, not remote fillers.
Key Features
- Compact Filtered Vent: Air filter mounts directly on the 12AN vent fitting
- 12AN Female to 3/4" Barb: Fits a 12AN male vent fitting
- Pairs with 12AN DSV: Commonly used with Radium's 12AN DSV
What's Included
- 12AN female to 3/4" barb fitting
- Radium air filter
Optional Parts
- Radium Fuel Cell Vent Kit - 12AN (20-0484-12) – complete 12AN vent kit with hose for quick-fill systems
- Radium 12AN ORB 5-Bolt SAE Adapter (20-0439) – adapter for older FCST units (20-014X-XX) with the original small vent
Important Notes
- Generally for direct fill caps only – not suitable for remote fillers, as the top of the fill tube must not sit higher than the air filter
- Requires a 12AN male vent fitting (not included), e.g. Radium 20-0462 12AN DSV – contact us to order
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

