Marine Transmission Reverse Shaft with Helical Drive Gear Assembly - Used Take-Off

Application: Marine transmission internal drive components — helical drive gear on splined shaft with needle bearing, plus mating helical gear with inner race. Suspected Twin Disc MG-series, ZF, or Velvet Drive marine gearbox; brand and part number not confirmed from visible markings. Condition: Used take-off / rebuildable core with surface rust on shaft and light wear on gear teeth. 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.