
Radium Engineering FCST-X 3-Bolt Direct Mount Fill Neck and Cap - Vented
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Description
Radium Engineering FCST-X 3-Bolt Direct Mount Fill Neck and Cap - Vented
Application: Radium FCST-X fuel cell surge tanks
Part Type: FCST-X 3-bolt direct mount fill neck and vented cap
Part Number: 20-1197-V
The Radium 20-1197-V direct mount fill neck and cap is designed for filling directly into the fuel cell. It bolts to the 3-bolt filler flange on the FCST-X fuel cell surge tank.
The neck and vented cap are anodised aluminium, sealed with an FKM O-ring gasket and fitted with stainless steel hardware. A tether keeps the cap attached.
Key Features
- Direct Fill: Fills directly into the fuel cell
- FCST-X 3-Bolt: Bolts to the FCST-X 3-bolt filler flange
- Vented Cap: Anodised aluminium vented cap with tether
- Seal: FKM O-ring gasket seal
- Hardware: Stainless steel hardware
What's Included
- Anodised aluminium fill neck
- Anodised aluminium vented cap
- Cap tether
- FKM O-ring gasket seal
- Stainless steel hardware
Optional Parts
- Radium Vented Fill Neck Cap Only (20-0148-V) – replacement vented direct filler cap
- Radium FCST Filler Adapter, 6-Bolt to 3-Bolt (20-1127) – lets an older 6-bolt FCST use this 3-bolt FCST-X filler
- Radium Engineering FCST-X Fill Neck Block-Off Kit (20-1060) – blocks the FCST-X filler hole when it is not used
Important Notes
- Does not fit the original 6-bolt FCST directly – use the 20-1127 6-bolt to 3-bolt adapter
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Radium FCST-X fuel cell surge tanks
- Original 6-bolt FCST with the Radium 20-1127 adapter
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.

