The Fleetguard 256421S is engineered for optimal performance in heavy-duty applications. Designed to safeguard fuel systems in trucks, buses, and agricultural machinery, this high-performance fuel filter delivers dependable efficiency and extends engine life by ensuring cleaner, contaminant-free fuel. Built with advanced engineering, it meets the demands of both professional drivers and automotive enthusiasts who expect quality and durability.

Key Features

• 12-pack service filter format that offers excellent value for fleet or personal use
• Integrated spring for enhanced performance in the fuel/water separator housing
• Improved filtration efficiency that allows for longer service intervals
• Compatibility with select heavy-duty engines, making it ideal for applications involving Cummins engines and more

Why Choose Fleetguard 256421S?

Investing in the Fleetguard Service Filter means fewer engine repairs and reduced downtime. This filter not only improves fuel system performance but also supports preventive maintenance by lowering the risk of contamination. Its robust design ensures optimal fuel flow and vehicle performance even under the most demanding conditions.

Order today and enjoy fast shipping, typically within one business day, along with our promise of genuine brand-new parts with no minimum order requirements. For additional quality offerings, visit our Fleetguard collection and experience the Everything Truck Parts difference.