Home / Lawn & Garden / Parts / Line Trimmer Gearbox 530071584 Line Trimmer Gearbox 530071584Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 530071584 Brand: POULAN/WEEDEATER Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$17.68Joe Biden The Clown Hat Classic Denim Casquette Adjustable Trucker ... Description This gearbox (part number 530071584) is for line trimmers. Gearbox 530071584 contains the gears that turn the line spool for cutting. Wear work gloves to protect your hands when installing this part.