Experience optimal hydraulic system protection with the Donaldson P551779 Spin-On Hydraulic Filter—a high-performance solution engineered for superior filtration and convenience. Made with genuine, U.S.-manufactured quality, this filter is designed to keep your hydraulic systems running smoothly, especially on equipment powered by KUBOTA engines. Its advanced design provides effective contamination control, reducing maintenance downtime and boosting overall performance.

Key Benefits

• Advanced Donaldson filtration media that delivers reliable performance.
• Engineered and tested to meet or exceed OEM standards.
• Easy spin-on installation minimizes downtime and maintenance costs.
• Packaged as a brand-new, genuine part with fast shipping—typically ships within 1 business day.
• No minimum order requirements, ensuring simple access no matter the scale.

Technical Specifications

• Outer Diameter: 3.73 inches (94.74 mm)
• Thread Size: 1 1/8-16 UN
• Length: 7.02 inches (178.31 mm)
• Gasket Dimensions: 3.44-inch OD and 2.97-inch ID
• Efficiency Ratings: Beta values listed as N/A

Explore our extensive selection in the Hydraulic Filters collection, and check out our dedicated Donaldson parts range for compatible, high-quality alternatives. Enjoy reliable performance and exceptional support backed by over 35 years of industry expertise.