Radium Direct Mount Filler Options

These fuel fillers are designed to mount directly to Radium Engineering fuel cell surge tanks. There are fuel fillers on this page specific to both the FCST and the FCST-X.

FCST DIRECT MOUNT FUEL FILLERS
The direct mount fuel fillers listed below are specific to the following FCSTs ONLY: 20-014X-XX, 20-049X-XX, 20-069X-XX, and 20-099X-XX. NOTE: Direct mount fuel fillers for the newer FCST-X (20-199X-XX) can be found towards the bottom of this page. The fillers below can be used on any fuel cell that uses a 6-bolt 2.18" (55mm) bolt circle mounting flange. Screw threads are the industry standard 1/4"-28.

20-0197-V FCST 6-Bolt, Direct Mount Fill Neck and Cap
The 20-0197-V Direct Mount Fill Neck and Cap is perfect for filling directly into the fuel cell, as shown.

This kit uses the 20-0148-V Fill Neck Cap (included) so filling is quick and simple.

Included:
-Machined and Anodized Aluminum Fill Neck
-Anodized and Laser Etched Aluminum Cap
-FKM Gasket Flange Seal
-FKM O-ring Cap Seal
-Stainless Steel Hardware

20-0495-V FCST 6-Bolt, Dry Break, 1.5in, Female, Direct Mount, Vented
Designed for direct mounting onto a fuel cell. For mating, a 6-bolt flange with a 2.18" PCD bolt circle (as found on the older FCST) is required. Includes 20-0549-V Dry Break, 1.5in, Female, Vented as well as an aluminum housing, stainless steel hardware, and a gasket. The components, materials, and seals are compatible with all fuel types (unleaded and leaded gasoline, diesel, AV gas, methanol, ethanol, E15, E85, etc.).

Specifications:
Height: 3.43" (Dry Break to Gasket)
Mate: 20-0496 Dry Break, 1.5in, Male

FCST-X DIRECT MOUNT FUEL FILLERS
The direct mount fuel filler below is specific to the FCST-X ONLY (20-1990-XX, 20-1991-00, 20-1992-XX, 20-1993-00, 20-1995-00). NOTE: Direct mount fuel fillers for the older FCST (20-014X-XX, 20-04XX-XX, 20-06XX-XX, and 20-09XX-XX) can be found at the top of this page. The fillers below can be used on any fuel cell that uses a 3-bolt 2.34" (59.5mm) bolt circle mounting flange. Screw threads are M5x0.8mm.

20-1197-V FCST-X 3-Bolt, Direct Mount Fill Neck and Cap
The 20-1197-V Direct Mount Fill Neck and Cap is perfect for filling directly into the fuel cell.

OPTIONAL PARTS
18-0019 FCST 6-Bolt, Gasket, Fill Neck, 2.18" BC
This fuel cell fill neck gasket is used for the Radium FCST (ONLY). The 1/16" thick material is a premium quality variation of FKM. It uses 6 equally-spaced holes with a 2.18" bolt center.

20-0148-V Fill Neck Cap Only
This is replacement fill neck cap. Compatible with Radium Engineering 20-0197-V and 20-1197-V.

Included:
-Vented Fuel Fill Cap
-Roll Over Protection
-FKM O-ring 
-Tether Hardware

20-0360 FCST 6-Bolt, Fill Neck Block-Off Kit
This blocks-off the filler hole on the Radium FCST (ONLY).

Included:
-Anodized 1/8" (3mm) Aluminum Plate
-FKM Gasket Flange Seal
-Stainless Steel Hardware

20-1060 FCST-X Fill Neck Block-Off Kit
This blocks-off the filler hole on the Radium FCST-X (ONLY).

Included:
-Anodized 1/8" (3mm) Aluminum Plate
-FKM O-ring Gasket Seal
-Stainless Steel Hardware