Home / Lawn & Garden / Parts / Line Trimmer Gearbox 308210008 Line Trimmer Gearbox 308210008Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 308210008 Brand: HOMELITE INC Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$31.44Ryobi 308210008 Line Trimmer Gearbox Genuine Original Equipment Man... $21.98Kerlista,Replacement Part Number 308210008,10 Teeth Gear case Assem... Description This gearbox (part number 308210008) is for line trimmers. Gearbox 308210008 contains the gears that turn the line spool for cutting. Wear work gloves to protect your hands when installing this part.