Restore factory fuel delivery, smooth idle quality, and dependable performance on your 2013-2018 Ram 6.7L Cummins with this genuine Bosch OE remanufactured common rail fuel injector. This direct-replacement injector helps correct common injector-related concerns such as hard starting, rough idle, excessive smoke, poor throttle response, balance rate issues, reduced power, and drivability concerns under load. Bosch: 0986435621, 0 986 435 621 Cross References: Cummins 4307475, 5268408 | Mopar 68210060AA Installation Note: Includes new high-temperature combustion seal/crush washer and body O-rings. Fitment Note: Verify build date, VIN, engine application, and existing injector part number before ordering. May not fit all Cab & Chassis commercial applications. Core Charge Notice: Core return required. A refundable core deposit will be applied at checkout and refunded after receipt and approval of a rebuildable core.