Maintenance Kit for Yanmar 6LYA / 6LY2 Series Diesel Engines. Contains Aftermarket Parts. Includes the following replacement items. Impeller Kit: Impeller 119574-42552 old # 119574-42550 119574-42551, O-ring 119574-42570 , Fuel Filter: 41650-502330 old # 41650-550810 , Oil Filter: 119593-35100 , Air Filter: 119593-18880 , Zinc Kit: 119773-92600 , (1) 119574-18790 Intercooler , (4) 119574-44150 (2) Heat Exchanger (2) Oil Cooler Kit contains aftermarket parts. Filters may vary from photo depending on availability. Fits the following 6LY Series Models: 6LYA-STE 6LYA-STP 6LYA-UTE 6LY2-STE 6LY2-STP 6LY2A-STP 6LY2A-UTP