Home / Lawn & Garden / Parts / Air Box Cover 518777004 Air Box Cover 518777004Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 518777004 Brand: HOMELITE INC Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$6.95Ryobi Genuine OEM Replacement Air Box Cover, 518777004 $7.49Ryobi RY28000 Trimmer Replacement Air Box Cover # 518777004 Description Air Box Cover