Generac 0G6454 Stepper Motor Governor Assembly for GTH990 Engine - Used

Used Generac stepper motor governor assembly, identified as OEM 0G6454 (closely related to 0G6453). Application: Generac GTH990 990cc V-twin engine used on Generac portable and Guardian home-standby generators — controls throttle position for engine speed/frequency regulation. Includes stepper motor, mounting bracket, throttle linkage arm, and factory harness with 6-pin connector. Condition: Used take-off, not bench-tested, sold as-is. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.