Oldsmobile

Calais

Yr	Cyl	Desc	UNIV	DF	PK
1990-1991	6	All models with 3.3L engine	6905	4589	N/A
1990-1991	4	All models with 2.5L engine; Alternate Direct Fit 4998 may be used	6904	4595	N/A
1990-1991	4	All models with 2.3L engine	6905	4413	PK-180
1989	6	All models with 3.3L engine	6905R	N/A	N/A
1988-1989	4	All models with 2.3L engine	6905	N/A	N/A
1985-1988	6	All models with 3.0L engine; Direct Fit unit may require sizing or use of included pipe bushings	6904	4117	PK-92
1985-1989	4	All models with 2.5L engine; Direct Fit unit may require sizing or use of included pipe bushings	6904	4117	PK-92