Fuel Water Separator Filter FS20121 for Cummins L9 B6.7 Fleetguard 5521648 2020+

Fuel Water Separator Filter FS20121 for Cummins

This fuel water separator filter FS20121 is a direct replacement for Cummins L9 and B6.7 engines, cross-referencing Fleetguard 5521648, designed to remove water and contaminants from diesel fuel for 2020+ models.

Overview

This fuel water separator filter FS20121 efficiently separates water and debris from diesel fuel, protecting fuel injectors and engine components. It is designed for use in Cummins L9 and B6.7 engines, commonly found in heavy-duty trucks and equipment. The filter ensures clean fuel delivery for optimal engine performance.

Built For Performance

• High-efficiency media for superior water separation
• Compatible with Cummins L9 and B6.7 engines (2020+)
• Direct replacement for Fleetguard 5521648
• Rugged construction for long service intervals
• Integral drain valve for easy water removal

Fits These Machines

• for Cummins L9
• for Cummins B6.7

On-The-Job Use

• Used in heavy-duty truck fleet maintenance
• Installed on construction equipment powered by Cummins engines
• Applied in agricultural machinery requiring fuel protection

Specs At A Glance

Good To Know

Q: How often should this fuel water separator filter be replaced? A: Replace every 15,000 to 30,000 miles or as recommended by the engine manufacturer for your Cummins L9 or B6.7.

Q: Can this filter be used with biodiesel blends? A: Yes, the FS20121 is compatible with B20 and lower biodiesel blends commonly used in modern diesel engines.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.