About This GENUINE FILL-RITE DEF PUMP REBUILD KIT – The Fill-Rite KITDFPK is an OEM spare parts kit designed to service and maintain all Fill-Rite DF Series DEF transfer pumps. COMPLETE INTERNAL REPLACEMENT COMPONENTS – Kit includes check valve assembly, (5) segment seal flaps, (3) O-rings, bypass poppet, dampener, retention plate, bypass spring, mounting bolt, and screws with washers. RESTORES PUMP PERFORMANCE – Replacing worn internal components helps maintain smooth operation, proper flow, and reliable DEF transfer while reducing downtime. DESIGNED FOR DEF COMPATIBILITY – All components are engineered specifically for Diesel Exhaust Fluid (DEF / AdBlue) to resist crystallization and chemical wear. OEM QUALITY & PRECISE FIT – Manufactured to Fill-Rite factory specifications to ensure proper fit, long service life, and dependable pump operation. Overview Brand : Fill-Rite Fit Type : Universal Fit Vehicle Service Type : Truck Style : DF Series Rebuild Kit Auto Part Position : Rear
