Experience advanced fuel system protection with the Donaldson P551855 Fuel Filter and Water Separator Spin-On. Engineered to effectively separate water from fuel while filtering out harmful contaminants, this filter ensures peak performance by protecting sensitive fuel injectors and high-pressure rail systems. Its secure spin-on design offers an uncomplicated and reliable installation, providing a leak-free connection even under demanding conditions.

Key Benefits

• Reliable Filtration – Keeps fuel pure by eliminating water and particles for smoother engine operation.
• 95% Efficiency – Removes 95% of water at 10-micron particle size for enhanced performance and cleaner fuel delivery.
• Easy Installation – The spin-on design simplifies replacement and ensures a tight, leak-free fit.
• ISO Standard Compliance – Meets ISO 4402/11171 standards, underlining its quality and dependability.
• Broad Compatibility – Perfect for systems that meet OEM specifications and various high-performance setups.

Technical Specs

• Outer Diameter – 107.7 mm: Designed to meet industry standards for a precise fit.
• Filter Length – 143.5 mm: Provides ample capacity for effective fuel filtration.
• Thread Size – 1‑14 UN: Ensures a secure and durable attachment.
• Gasket & Inner Diameter – 80 mm and 90 mm respectively: Offers optimal sealing performance.
• Efficiency Rating – 95% at 10 microns: Guarantees superior fuel cleanliness.

Enjoy peace of mind with our fast shipping—typically within 1 business day—and our commitment to genuine, high-quality parts. Explore the Fuel Filters collection to discover more reliable solutions for your vehicle today.