Choose options
The Radium 20-0146 Fuel Level Sender Block-Off Kit is designed to seal unused 5-bolt SAE sender ports in fuel cells. Ideal for applications where a level sensor is not required, this block-off solution is extensively used with Radium FCST and FCST-X surge tank systems. Constructed from anodised aluminium and supplied with fuel-safe hardware, it ensures a secure, leak-free seal.
Key Features
-
Fits standard 5-bolt SAE sender flanges
-
Perfect for use with Radium FCST and FCST-X systems
-
Anodised 1/8" aluminium plate resists corrosion
-
Includes premium FKM gasket for fuel compatibility
-
Stainless steel 10-32 bolts for secure mounting
-
Nylon sealing washers included (not required for FCST 20-049X-XX units)
-
Prevents fuel vapor leaks in sensorless setups
Included
-
1 × Anodised aluminium block-off plate (1/8" thick)
-
1 × 5-bolt FKM gasket
-
5 × Stainless steel 10-32 bolts
-
5 × Nylon sealing washers
Note
Radium FCST 20-049X-XX series does not require nylon sealing washers for this installation.
No instructions available for this product.

Need Help Finding the Right Part?
We’ll Track It Down for You
We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.
Fill out the quick form below and our team will track it down for you.