Mercruiser Alpha One Gen. II service kit The kit includes: No. 1 universal joint boot ref. 816431A1 No. 1 Gear cable boot ref. 74639Q02 No.1 Exhaust cap ref. 18654A1 No.1 Impeller ref. 47-43026T2 no.1 Anode kit ref. 888756Q03 no.1 Coupling gasket kit ref. 94996Q2 no.2 foot oil 80w90 1 litre Liqui Moly Marine IF YOU HAVE ANY DOUBTS BEFORE PROCEEDING WITH THE PURCHASE, SEND US A COPY OF YOUR ENGINE MANUAL BY E-MAIL TO CONFIRM THE SPARE PARTS, WHICH MAY VARY ACCORDING TO THE FOOT MODEL N.B. Where not specified the parts are 100% aftermarket and marine compatible, with reference codes to the original