Home Engine Systems Engine Care Anodes Mercruiser Alpha I Generation I Anode Kit – Aluminum (1983-90) Martyr Mercruiser Alpha I Generation I Anode Kit – Aluminum (1983-90) $43.49 Mercruiser Alpha I Generation I Anode Kit – Aluminum (1983-90) quantity Add to cart Product Details Product Details Aluminum. Fits Mercruiser Alpha I Generation I (1983-90) engines. Contains: (1) CM31640, (2) CM55989 and (1) CM821631.
