1983 MerCruiser Stern Drive Models Where can I find my serial number? 120 01207333 01207343 140 01407333 185 01851333 01851343 228 02287333 02287343 230 02297343 260 02607333 02607343 330 03308333 03308343 470 04707333 04707343 2470203 488 04881333 04881343 898 08987333 08987343 MC1 00019003 MC1 [1.32:1] 01326013 MC1 [1.50:1] 01506013 MC1 [1.65:1] 01656013 MC1 [1.84:1] 01846013 MC1 [1.98:1] 01986013 MC2 00026333 00026343 00027333 00027343 MC2 [1.50:1] 21502013 MC2 [2.00:1] 22002013 22002313 TR [1.50:1] 31502013 31502313