The plastic factory injector return connector on the 2017 2024 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling and frequent disconnections for fuel filter maintenance. Upgrade your injector return fitting and eliminate the risk of a broken fuel line with our heavy duty billet aluminum injector return fitting. Featuring a dual O ring internal design and serviceable barb fitting the Fleece Performance injector return fitting will ensure you ftre not left stranded with a broken, non repairable fuel line. Features Heavy duty, machined billet aluminum housing. Dual O ring internal design for increased sealing. Serviceable billet aluminum barb fitting. Easy to install and remove during filter maintenance Application Notes This kit is designed to work with both OEM and aftermarket under hood fuel filter assemblies including Fleece Performance P N FPE FMC UHFA 1123. A service kit is available for this product, Fleece Performance P N FPE FMC FF RLK 1724 SER. The kit includes replacement O rings and locking tabs. A replacement barb fitting is available for this product, Fleece Performance P N FPE AN4 332B.