Year

Model

Cylinders

CID

LTR

VIN

Plug

Gasket

Notes

1987-92

ALLANTE

V8

250

4.1

7

1003m or 1003sm

2603

Plug, M12 x 1.75

1993

ALLANTE

V8

279

4.6

9

1095m or 1095sm

2614

Plug, M12 x 1.75

1991

BROUGHAM

V8

305

5.0

E

1001m or 1001sm

2603

Plug, 1/2-20

1992

BROUGHAM

V8

305

5.0

E

1001m or 1001sm

2603

Plug, (HFH 1/2-20 x 1.00 Magnetic)

1987-90

BROUGHAM

V8

307

5.0

Y

1001m or 1001sm

2603

Plug, 1/2-20

1990-93

BROUGHAM

V8

350

5.7

7

1001m or 1001sm

2603

Plug, 1/2-20

1992-93

BROUGHAM

V8

350

5.7

7

1001m or 1001sm

2603

Plug, (HFH 1/2-20 x 1.00 Magnetic)

1994-96

BROUGHAM

V8

350

5.7

P

1001m or 1001sm

2603

Plug, 1/2-20

1996

BROUGHAM

V8

350

5.7

P

1095m or 1095sm

2614

Plug, M12 x 1.75

1998-01

CATERA

V6

181

3

R

1074m

2611

14mm-1.50

1982

CIMARRON

L4

112

1.8

G

1001m or 1001sm

2603

Plug, 1/2-20

1983-86

CIMARRON

L4

122

2.0

P

1001m or 1001sm

2603

Plug, 1/2-20

1985-86

CIMARRON

V6

173

2.8

W

1001m or 1001sm

2603

Plug, 1/2-20

1987-88

CIMARRON

V6

173

2.8

W

1003m or 1003sm

2603

Plug, M12 x 1.75

1997-02

COMMERCIAL CHASSIS

V8

279

4.6

Y

1095m or 1095sm

2614

Plug, M12 x 1.75

2003-04

CTS

V6

197

3.2

N

1074m

2611

14mm-1.50

1980-82

DEVILLE

V6

252

4.1

4

1001m or 1001sm

2603

Plug, 1/2-20

1982-84

DEVILLE

V8

250

4.1

8

1003m or 1003sm

2603

Plug, M12 x 1.75

1985-87

DEVILLE

V8

250

4.1

8

1095m or 1095sm

2614

12mm-1.75

1988-89

DEVILLE

V8

276

4.5

5

1095m or 1095sm

2614

12mm-1.75

1990

DEVILLE

V8

276

4.5

3

1095m or 1095sm

2614

12mm-1.75

1994-03

DEVILLE

V8

279

4.6

Y

1095m or 1095sm

2614

Plug, M12 x 1.75

1996-02

DEVILLE

V8

279

4.6

9

1095m or 1095sm

2614

Plug, M12 x 1.75

1991-95

DEVILLE

V8

300

4.9

B

1095m or 1095sm

2614

12mm-1.75

1980-84

DEVILLE

V8

350

5.7

N

1001m or 1001sm

2603

Plug, 1/2-20

1980

DEVILLE

V8

368

6.0

6

1001m or 1001sm

2603

Plug, 1/2-20

1981

DEVILLE

V8

368

6.0

9

1001m or 1001sm

2603

Plug, 1/2-20

1981-82

ELDORADO

V6

252

4.1

4

1001m or 1001sm

2603

Plug, 1/2-20

1982-85

ELDORADO

V8

250

4.1

8

1003m or 1003sm

2603

Plug, M12 x 1.75

1986-87

ELDORADO

V8

250

4.1

8

1095m or 1095sm

2614

12mm-1.75

1988-89

ELDORADO

V8

276

4.5

5

1095m or 1095sm

2614

12mm-1.75

1990

ELDORADO

V8

276

4.5

3

1095m or 1095sm

2614

12mm-1.75

1993-02

ELDORADO

V8

279

4.6

9

1095m or 1095sm

2614

Plug, M12 x 1.75

1993-02

ELDORADO

V8

279

4.6

Y

1095m or 1095sm

2614

Plug, M12 x 1.75

1991-93

ELDORADO

V8

300

4.9

B

1095m or 1095sm

2614

12mm-1.75

1980

ELDORADO

V8

350

5.7

8

1001m or 1001sm

2603

Plug, 1/2-20

1980-85

ELDORADO

V8

350

5.7

N

1001m or 1001sm

2603

Plug, 1/2-20

1980-81

ELDORADO

V8

368

6.0

9

1001m or 1001sm

2603

Plug, 1/2-20

2001-03

ESCALADE

V8

325

5.3

T

1095m or 1095sm

2614

Plug, M12 x 1.75

1999-00

ESCALADE

V8

350

5.7

R

1095m or 1095sm

2614

Plug, M12 x 1.75

2001-03

ESCALADE

V8

364

6.0

N

1095m or 1095sm

2614

Plug, M12 x 1.75

1989

FLEETWOOD

V8

276

4.5

5

1095m or 1095sm

2614

12mm-1.75

1990

FLEETWOOD

V8

276

4.5

3

1095m or 1095sm

2614

12mm-1.75

1991-93

FLEETWOOD

V8

300

4.9

B

1095m or 1095sm

2614

12mm-1.75

1993

FLEETWOOD

V8

350

5.7

7

1001m or 1001sm

2603

Plug, 1/2-20

1993

FLEETWOOD

V8

350

5.7

7

1001m or 1001sm

2603

Plug, (HFH 1/2-20 x 1.00 Magnetic)

1994-95

FLEETWOOD

V8

350

5.7

P

1001m or 1001sm

2603

Plug, 1/2-20

1996

FLEETWOOD

V8

350

5.7

P

1001m or 1001sm

2603

Plug, 1/2-20

1996

FLEETWOOD

V8

350

5.7

P

1095m or 1095sm

2614

Plug, M12 x 1.75

1980-82

FLEETWOOD/FORMAL

V6

252

4.1

4

1001m or 1001sm

2603

Plug, 1/2-20

1982-85

FLEETWOOD/FORMAL

V8

250

4.1

8

1003m or 1003sm

2603

Plug, M12 x 1.75

1986-87

FLEETWOOD/FORMAL

V8

250

4.1

8

1095m or 1095sm

2614

12mm-1.75

1988

FLEETWOOD/FORMAL

V8

276

4.5

5

1095m or 1095sm

2614

12mm-1.75

1986

FLEETWOOD/FORMAL

V8

307

5.0

Y

1001m or 1001sm

2603

Plug, 1/2-20

1980-85

FLEETWOOD/FORMAL

V8

350

5.7

N

1001m or 1001sm

2603

Plug, 1/2-20

1983-84

FLEETWOOD/FORMAL

V8

350

5.7

6

1001m or 1001sm

2603

Plug, 1/2-20

1980-82

FLEETWOOD/FORMAL

V8

368

6.0

6

1001m or 1001sm

2603

Plug, 1/2-20

1982-84

FLEETWOOD/FORMAL

V8

368

6.0

9

1001m or 1001sm

2603

Plug, 1/2-20

1981-82

SEVILLE

V6

252

4.1

4

1001m or 1001sm

2603

Plug, 1/2-20

1982-85

SEVILLE

V8

250

4.1

8

1003m or 1003sm

2603

Plug, M12 x 1.75

1986-87

SEVILLE

V8

250

4.1

8

1095m or 1095sm

2614

12mm-1.75

1988-89

SEVILLE

V8

276

4.5

5

1095m or 1095sm

2614

12mm-1.75

1990

SEVILLE

V8

276

4.5

3

1095m or 1095sm

2614

12mm-1.75

1993-02

SEVILLE

V8

279

4.6

9

1095m or 1095sm

2614

Plug, M12 x 1.75

1994-02

SEVILLE

V8

279

4.6

Y

1095m or 1095sm

2614

Plug, M12 x 1.75

1991-93

SEVILLE

V8

300

4.9

B

1095m or 1095sm

2614

12mm-1.75

1980

SEVILLE

V8

350

5.7

8

1001m or 1001sm

2603

Plug, 1/2-20

1980-85

SEVILLE

V8

350

5.7

N

1001m or 1001sm

2603

Plug, 1/2-20

1980-81

SEVILLE

V8

368

6.0

9

1001m or 1001sm

2603

Plug, 1/2-20