Donaldson P551844 Fuel Water Separator Spin-On Filter

The Donaldson P551844 is a high-performance fuel filter and water separator featuring a spin-on design with integrated bowl for convenient installation and maintenance. This advanced filtration system delivers 90% efficiency at 30 microns, meeting SAE J1985 test standards to provide superior protection for diesel engines in heavy-duty trucks, commercial vehicles, and industrial equipment.

Key Features:

• Spin-on design with clear water separator bowl for easy monitoring
• 30-micron filtration efficiency (90%) per SAE J1985 standards
• Advanced water separation technology protects fuel injection systems
• High-quality construction for extended filter life and reduced maintenance costs
• Weighs approximately 1 pound for easy handling

Cross References: This filter supersedes Donaldson P550436 and cross-references with Baldwin BF1348SP, Fleetguard FS19846, Fram PS7713, Racor S3225P, WIX 33630, NAPA 3630, and numerous other aftermarket part numbers for broad application compatibility.

Donaldson has been a trusted leader in filtration technology since 1915, delivering premium protection that extends engine life and minimizes operating costs across on-road and off-road applications. This genuine Donaldson filter ensures your fuel system receives maximum protection against contaminants and water damage.