Replacement fuel pump injector designed for tractor engines. Direct replacement for part numbers 28485, RE36939, RE38087. Engineered to restore consistent fuel delivery and reliable operation of fuel pump assemblies. Key benefits Restores fuel delivery and engine responsiveness by replacing worn or damaged injector components. Direct fit for the listed part numbers, reducing downtime and simplifying repairs. Precisionmachined surfaces for consistent seating and reliable sealing under operating pressures. Durable construction to withstand repeated service cycles in agricultural work environments. Compatible with standard fuel pump assemblies used in many tractor engines that accept these part numbers. Function and performance Serves as a fuel pump injector component to control fuel metering and spray for proper combustion. Designed to match factory dimensions and tolerances for predictable performance and correct fuel flow characteristics. Helps maintain stable idle, smoother acceleration, and consistent engine power when installed as a replacement part. Compatibility and specifications Compatible with part numbers 28485, RE36939, RE38087. Intended for use in tractor engine fuel pump assemblies that reference the above part numbers. Verify part number compatibility before installation. Installation and maintenance Designed as a straightforward swapin replacement for existing injector components that match the listed part numbers. Clean installation area and follow the tractor service manual for torque and alignment specifications. Inspection of mating components such as seals and pump housing is recommended to ensure long term performance. Typical use scenarios Field : a worn injector part during routine maintenance to get a tractor back to service quickly. Preventive maintenance: Keep spare injectors on hand for fleet servicing to minimize machine downtime during peak seasons. Workshop rebuild: Use as a component in fuel pump overhaul to restore pump performance and extend service life. Notes Confirm the part number on the existing component matches 28485, RE36939, or RE38087 prior to . Professional installation or experienced technician recommended for precision fuel system components.