The Recmar RECKITF20B maintenance/service kit is designed for Yamaha F20B 4-stroke outboards (2007+). It combines the key consumables and wear items typically replaced during an annual service, including a water pump repair kit (impeller kit), filters, spark plugs, anodes, and sealing washers/gaskets. Always confirm your engine model/year and match part numbers before ordering. Kit type: Maintenance / service kit Fits engines: Yamaha F20B (2007 and newer) Supplier/Vendor: Recmar (aftermarket service kit) Kit contents (cross-references): 3 x Anode: PAF4-04070003 1 x Thermostat: 6AH-12411-00 (Recmar ref REC6AH-12411-00) 1 x Gasket: PAF20-05000702 1 x Anode: 15026A (Recmar ref CM15026A) 1 x Oil filter: 5GH-13440-60 2 x Spark plug: NGK DPR6EB-9 1 x Fuel filter: 61N-24563-10 1 x O-ring: 93210-32738 1 x Washer: PAF15-04000003 2 x Drain gaskets: 90430-08020 1 x Anode: TEN01154AL 1 x Water pump repair/impeller kit: 6AH-W0078-00 Notes: Fitment can vary by engine variant and serial range. Confirm compatibility using your Yamaha model code/serial number and the part numbers listed above before purchase.