Fuel Water Separator Filter Replace John Deere RE509208 Donaldson P551434 33680

Fuel Water Separator Filter for John Deere

This fuel water separator filter replaces John Deere RE509208 and cross-references Donaldson P551434 and 33680, removing water and contaminants from diesel fuel to protect the injection system.

Overview

This fuel water separator filter is a direct replacement for John Deere RE509208, also matching Donaldson P551434 and 33680, and it cleans diesel fuel by trapping water and particulates before they reach the engine. It is designed for use in agricultural, construction, and industrial diesel equipment. The fuel water separator filter ensures reliable fuel delivery and extends the life of fuel system components.

Built For Performance

• High-capacity filtration media captures water and particulates down to micron level
• Built-in water separator drains easily to prevent fuel system contamination
• Reinforced housing withstands high-pressure diesel fuel systems
• Compatible with standard spin-on mounting heads for quick service
• Meets or exceeds OEM specifications for flow rate and filtration efficiency

Fits These Machines

• for John Deere Tractors and combines using RE509208
• for John Deere Construction equipment with RE509208
• for John Deere Agricultural sprayers using RE509208

On-The-Job Use

• Used in diesel fuel lines on tractors during planting and harvesting
• Installed on loaders and excavators in construction sites
• Maintained on generator sets and irrigation pumps in farming operations

Specs At A Glance

Good To Know

Q: How often should this fuel water separator filter be replaced? A: Replace it every 500 hours of operation or once per season, whichever comes first, to maintain optimal fuel system protection.

Q: Can this filter be used with biodiesel blends? A: Yes, it is compatible with standard diesel and biodiesel blends up to B20, but always check your equipment manual for specific fuel recommendations.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.