Donaldson P959291 Spin On 14 Micron Aftermarket Fuel Filters Fits Tractors, Combines and Heavy Duty Diesel Engines

Protect your diesel fuel system with the Donaldson P959291, a premium aftermarket spin-on fuel filter designed for demanding agricultural and heavy-duty diesel applications. This high-performance element delivers 99% filtration efficiency at 14 microns and 95% emulsified water separation, capturing contaminants and removing water before it reaches the injection system. Built for tractors, combines, and rugged equipment operating in harsh environments, it helps maintain injector health and fuel system reliability. Engineered to Donaldson's exacting standards, the P959291 provides dependable, consistent filtration across a broad range of equipment. It features a 93 mm outer diameter and 181 mm length, with a bypass valve set to 1.72 bar to ensure continued fuel flow and protection under varying operating conditions.

Vehicle Fitment

Cross-references listed are provided for compatibility guidance. Always verify fitment using your machine's specific model, year, and serial number before ordering.

Product Specifications

Why Choose Donaldson P959291?

Diesel fuel quality and water management are common culprits behind premature injection system wear. The P959291 delivers a dual protection approach: 14-micron absolute filtration paired with 95% water separation in a single spin-on element. This combination helps prevent abrasive contaminants and water from reaching high-precision injectors, reducing the risk of performance loss and costly repairs. Donaldson is a global filtration leader known for engineering solutions that meet or exceed OEM standards, ensuring compatibility, reliability, and long service life in demanding agricultural and heavy-duty environments. By choosing the P959291, you’re opting for a proven aftermarket solution that mirrors factory performance while offering broad compatibility across multiple makes and models.