• Cross reference model number and make
• Cuibic inch diameter of cylinders
• Model year and serial number for gasoline driven engine parts

Model	Make	CID	CYL.	Year	Serial Number
470 2bbl.	Mercury	224	4	1976-1979	4208730-5520114
470 2bbl.	Mercury	224	4	1980-1982	5520115-6218036
470 2bbl.	Mercury	224	4	1983-1984	6218037-6916778
170 2bbl.	Mercury	224	4	1985-1986	6916779 and up
165 / 3.7L.2bbl.	Mercury	224	4	1987-1989	6916779 and up
485 2bbl.	Mercury	224	4	1980-1982	5685394-6218036
488 4bbl.	Mercury	224	4	1983-1984	6170297-6916778
190 4bbl.	Mercury	224	4	1985-1986	6916779 and up
180 / 3.7LX 4bbl.	Mercury	224	4	1987-1989	6916779 and up
185 4bbl.	GM	229	V-6	1983-1984	6330183-6919655
150	GM	230	6	1964-1966	1666495-2048046
160	GM	250	6	1967-1969	2048022-2770031
165	GM	250	6	1970-1978	2770032-5178958
165	GM	250	6	1979-1981	5178959-5813433
185 2bbl.	GM	262	V-6	1985-1987	0A331455-0B527954
175/4.3 2bbl.	GM	262	V-6	1987-1992	0B527955-0D714106
4.3L Gen ll 2bbl.	GM	262	V-6	1992-1993	0D714107-0F000877
4.3L Gen ll 2bbl.	GM	262	V-6	1993-1995	0F000878-0F601126
4.3L Gen ll 2bbl.	GM	262	V-6	1996	0F601127-0F802999
4.3LX Gen+ 2bbl.	GM	262	V-6	1996	0F803000 and up
205 4bbl.	GM	262	V-6