Item no 1 504 2098 04. Please may I ask this a ready to use no extra parts to fit throttle assembly.

You would get part no. 7 on the parts diagram below which contains everything in the number 7 box you would not get parts 2, 3, 4 and 5. https://lsengineers.zendesk.com/attachments/token/jDtDhEucTMrvl990CC7Zu9rbU/?name=handleassy.PNG