Genuine MTD 921-3018A Single Lip Oil Seal Fits Cub Cadet Troy Bilt 721-3018 OEM by MTD $10.99 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Seal PRODUCT DESCRIPTION Brand New Genuine MTD Oil Seal... We are an Authorized MTD Dealer... Single Lip Oil Seal Genuine OEM MTD Part # 921-3018A ID: 1.25" OD: 1.874" Fits Specific MTD Branded Equipment Genuine OEM MTD Part