Enhance your heavy-duty truck’s performance with the Donaldson P551838 fuel filter. Engineered for demanding applications, this premium filter offers superior fuel filtration and efficient water separation. Its innovative spin-on design ensures a quick installation and minimizes maintenance time, helping to protect your engine from corrosion and injector damage.

Technical Specifications

• Diameter: 109 mm
• Length: 128 mm
• Gasket Size: 102.1 mm
• Bowl Thread: 3 1/8-10 UN
• Flow Direction: Outside-In for improved intake
• Efficiency: 90% for filtering particles as small as 30 microns
• Tested to ISO 4402/11171 standards
• Manufactured in the UK

Compatibility & Design

This filter is designed for heavy-duty truck engines and is compatible with select models including the MACK 21017305. Supported part numbers such as 7420998346 ensure a seamless replacement experience. The spin-on design makes installation swift and user-friendly, catering to both professional drivers and truck enthusiasts.

Benefits

• Fast shipping—typically within one business day
• Genuine, brand-new parts with no minimum order
• 24/7 dedicated customer support
• Competitive pricing for exceptional performance

Order now to secure a fuel filter that delivers lasting engine protection and reliable performance. For more premium options in fuel filtering, explore our Fuel Filters collection.