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Engine/VIN Breakdown: Notes

2003 MODEL COVERAGE

MODEL

BODY CODE

ENGINE (RPO CODE) ⁽¹⁾

ENGINE ID

FUEL SYSTEM

IGNITION SYSTEM

Alero

N

2.2L (L61)

F

SFI

DIS

.....

.....

3.4L (LA1)

E

SFI

DIS

Aurora

G

4.0L (L47)

C

SFI

DIS

Bonneville

H

3.8L (L36)

K

SFI

DIS

.....

.....

3.8L (L67)

1

SFI ⁽²⁾

DIS

Cavalier

J

2.2L (L61/KL6) ⁽³⁾

F

SFI

DIS

Century

W

3.1L (LG8)

J

SFI

DIS

Corvette

Y

5.7L (LS1)

G

SFI

DIS

.....

.....

5.7L (LS6)

S

SFI

DIS

DeVille

K

4.6L (LD8)

Y

TPI-SFI

DIS

.....

.....

4.6L (L37)

9

TPI-SFI

DIS

Grand Am

N

2.2L (L61)

F

SFI

DIS

.....

.....

3.4L (LA1)

E

SFI

DIS

Grand Prix

W

3.1L (LG8)

J

SFI

DIS

.....

.....

3.8L (L36)

K

SFI

DIS

.....

.....

3.8L (L67)

1

SFI ⁽²⁾

DIS

Impala

W

3.4L (LA1)

E

SFI

DIS

.....

.....

3.8L (L36)

K

SFI

DIS

Ion

.....

2.2L (L61)

F

SFI

DIS

LeSabre

H

3.8L (L36)

K

SFI

DIS

Malibu

N

3.1L (LG8)

J

SFI

DIS

Monte Carlo

W

3.4L (LA1)

E

SFI

DIS

.....

.....

3.8L (L36)

K

SFI

DIS

Park Avenue

C

3.8L (L36)

K

SFI

DIS

.....

.....

3.8L (L67)

1

SFI ⁽²⁾

DIS

Regal

W

3.8L (L36)

K

SFI

DIS

.....

.....

3.8L (L67)

1

SFI ⁽²⁾

DIS

Saturn ("L" Series)

J

2.2L (L61)

F

SFI

DIS

.....

.....

3.0L (L81)

R

SFI

DIS

Seville

K

4.6L (LD8)

Y

TPI-SFI

DIS

.....

.....

4.6L (L37)

9

TPI-SFI

DIS

Sunfire

J

2.2L (L61)

F

SFI

DIS

Vibe

.....

1.8L (LV6)

8

SFI

DIS

Vibe GT

.....

1.8L (LNK)

L

SFI

DIS

⁽¹⁾	Engine code is stamped on engine block. See ENGINE CODE LOCATION .

⁽²⁾	Supercharged engine.

⁽³⁾	Bi-Fuel engine.

Fig 1: VIN Character Position & Definition

G00178057

Courtesy of GENERAL MOTORS CORP.

Fig 2: VIN Plate Location

G00057703

Courtesy of GENERAL MOTORS CORP.

Fig 3: VIN Decoding Chart (Alero & Grand Am)

G00234593

Courtesy of GENERAL MOTORS CORP.

Fig 4: VIN Decoding Chart (Aurora)

G00234594

Courtesy of GENERAL MOTORS CORP.

Fig 5: VIN Decoding Chart (Bonneville)

G00234595

Courtesy of GENERAL MOTORS CORP.

Fig 6: VIN Decoding Chart (Cavalier & Sunfire)

G00234589

Courtesy of GENERAL MOTORS CORP.

Fig 7: VIN Decoding Chart (Century & Regal)

G00234583

Courtesy of GENERAL MOTORS CORP.

Fig 8: VIN Decoding Chart (Corvette)

G00234590

Courtesy of GENERAL MOTORS CORP.

Fig 9: VIN Decoding Chart (CTS)

G00234586

Courtesy of GENERAL MOTORS CORP.

Fig 10: VIN Decoding Chart (DeVille)

G00234587

Courtesy of GENERAL MOTORS CORP.

Fig 11: VIN Decoding Chart (Grand Prix)

G00234596

Courtesy of GENERAL MOTORS CORP.

Fig 12: VIN Decoding Chart (Impala & Monte Carlo)

G00234591

Courtesy of GENERAL MOTORS CORP.

Fig 13: VIN Decoding Chart (Ion)

G00234597

Courtesy of GENERAL MOTORS CORP.

Fig 14: VIN Decoding Chart (LeSabre)

G00234584

Courtesy of GENERAL MOTORS CORP.

Fig 15: VIN Decoding Chart (Malibu)

G00234592

Courtesy of GENERAL MOTORS CORP.

Fig 16: VIN Decoding Chart (Park Avenue)

G00234585

Courtesy of GENERAL MOTORS CORP.

Fig 17: VIN Decoding Chart (Saturn "L" Series)

G00234598

Courtesy of GENERAL MOTORS CORP.

Fig 18: VIN Decoding Chart (Seville)

G00234588

Courtesy of GENERAL MOTORS CORP.

Fig 19: VIN Decoding Chart (Vibe)

G00238665

Courtesy of GENERAL MOTORS CORP.