
The Fass STK5500B Fuel Tank Sump offers a reliable solution for trucks with existing bulkhead fittings. Designed to address the common 1/4 tank issues found with aftermarket fuel pumps, this sump allows you to enjoy the benefits of a fuel tank sump without the risk of line damage. It seamlessly connects to your existing bulkhead fitting, drawing fuel from the lowest point of your tank and feeding from the top. This ensures optimal fuel flow and efficiency, giving you peace of mind while enhancing your fuel system's performance.
Features:
- Eliminates 1/4 tank issues typical of aftermarket fuel systems.
- Provides the advantages of a fuel tank sump without damaging lines.
- Connects directly to existing bulkhead fittings.
- Draws fuel from the lowest point of the tank for improved efficiency.

The Fass STK5500B Fuel Tank Sump offers a reliable solution for trucks with existing bulkhead fittings. Designed to address the common 1/4 tank issues found with aftermarket fuel pumps, this sump allows you to enjoy the benefits of a fuel tank sump without the risk of line damage. It seamlessly connects to your existing bulkhead fitting, drawing fuel from the lowest point of your tank and feeding from the top. This ensures optimal fuel flow and efficiency, giving you peace of mind while enhancing your fuel system's performance.
Features:
- Eliminates 1/4 tank issues typical of aftermarket fuel systems.
- Provides the advantages of a fuel tank sump without damaging lines.
- Connects directly to existing bulkhead fittings.
- Draws fuel from the lowest point of the tank for improved efficiency.