Restore accurate fuel metering, proper rail pressure control, and dependable fuel system performance with this genuine Bosch Fuel Control Actuator for select GM 6.6L Duramax LML/LGH and Ford 6.7L Power Stroke applications. Mounted on the high-pressure fuel pump, the fuel control actuator regulates fuel volume entering the high-pressure fuel system. A sticking, leaking, or electrically failed actuator can cause hard starting, low rail pressure faults, rough idle, reduced power, poor throttle response, and other fuel system performance concerns. Bosch: 1462C00998 Fitment Note: Always verify your vehicle's build date, VIN, engine application, pump configuration, and existing part number before ordering. Commonly listed for select 2011-2016 Chevrolet/GMC 6.6L Duramax LML/LGH and 2011-2019 Ford 6.7L Power Stroke applications.