Ryobi P540 / CS1800 / P542 Homelite UT-34010 Chainsaw (10 Pack) Replacement Oil Tank Cover Assy # 300890001-10pk Includes: (10) - Oil Tank Cover Assy # 300890001 Works with Ryobi & Homelite Chainsaws. Genuine OEM Replacement Part Please Refer to List Below for Compatibility