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're not left stranded with a broken, non-repairable fuel line.