Home / Lawn & Garden / Parts / Line Trimmer Drive Shaft 669-8514 Line Trimmer Drive Shaft 669-8514Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 669-8514 Brand: HITACHI POWER TOOLS Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$25.006691498 Fuel Shut Off Solenoid 1503ES-12A5UC4S 6691313 1G925-60011 ... Description This drive shaft (part number 669-8514) is for line trimmers. Drive shaft 669-8514 rotates the cutting head on the line trimmer. Wear work gloves to protect your hands when installing this part.