Mercury

Monarch

Yr	Cyl	Desc	UNIV	DF	PK
1980	8	All models, Rear	6905	4085	N/A
1980	8	All models, Front	N/A	N/A	N/A
1980	6	All models with 4.1L engine, except with 14 1/4" rear converter, Main plus Pre Cat, except California	6004	N/A	N/A
1980	6	All models with 4.1L engine, except with 14 1/4" rear converter, Rear	6004	N/A	N/A
1980	6	All models with 4.1L engine, except with 14 1/4" rear converter, Front	N/A	N/A	N/A
1978-1980	6	All models with 4.1L engine with 14 1/4" converter, Rear	6905	4085	N/A
1978-1980	6	All models with 4.1L engine with 14 1/4" converter, Front	N/A	N/A	N/A
1977	8	All models with 351 cid, Left or Right	6904R	N/A	N/A
1977-1979	8	All models with 302 cid and 18" converter	6905	4084	PK-139
1977-1979	8	All models with 302 cid, except with 18" converter	6905	4085	N/A
1977-1979	6	All models with 4.1L engine with 18" converter	6905	4084	PK-139
1975-1976	8	All models with 351 cid, Left or Right	6904R	N/A	N/A
1975-1976	8	All models with 302 cid	6905	4084	PK-139
1975-1976	6	All models	6904	4079	N/A