GM Service Manual Online
For 1990-2009 cars only

Object Number: 180875  Size: SH

The engine identification number is located on the right front side of the engine block (1). The engine identification number gives specific information about the assembly of the engine. If reading the identification number from the left the following information can be obtained:

    • The first digit identifies the plant code.
    • The second and third digits give the month of the engine build.
    • The fourth and fifth digits describe the date of engine build.
    • The sixth, seventh, eighth digits give the engine broadcast code.

The Vehicle Identification Number (VIN) Derivative is located on the left rear side of the engine block (2) and is a nine digit number stamped or laser etched onto the engine at the vehicle assembly plant. If reading the identification number from the left the following information can be obtained:

    • The first digit identifies the division.
    • The second digit identifies the model year.
    • The third digit identifies the assembly plant.
    • The fourth through ninth digits are the last six digits of the Vehicle Identification Number (VIN).

Engine Verification Label


Object Number: 492039  Size: SH

The engine verification label is placed in two locations on the right side of the engine.

    • On the back of the valve rocker arm cover (1)
    • On the side of the oil pan (2)

The engine verification label displays the bar code and the broadcast code that identifies the engine RPO, transmission RPO and other component RPOs that the engine includes and excludes.

Broadcast Code

Vehicle

Body Type

RPOs

Excluded RPOs

XCN

C200

--

L29, MW3, NF2

K19/NM8

--

C300

--

L29, MW3, C7A/C7E, NF2

K19/NM8

XCK

C300

--

L29, MW3, NM8

K19

XCS

C300

03

L29, MW3, C5B

K19/NM8

XCJ

C200

--

L29, MT1

K19/NM8/ZK3

--

C300

--

L29, MT1, C7A/C7E

K19/NM8

XCY

C200

--

L29, MT1, K19, NB6

NM8/ZK3

--

C300

--

L29, MT1, C7A/C7E, K19, NB6

NM8

XCL

C200

--

L29, MT1, NM8

K19/ZK3

XCL

C300

--

L29, MT1, NM8

K19/ZK3

XCT

C300

03

L29, MT1, CB5

K19/NM8

PCJ

C209

06

L29, MT1, ZK3

K19/NM8

PCY

C209

06

L29, MT1, K19, NB6, ZK3

NM8

PCL

C209

06

L29, MT1, NM8, ZK3

K19

XDH

K200

--

L29, MW3

K19/NM8

XDH

K300

--

L29, MW3

K19/NM8

XDK

K300

--

L29, MW3, NM8

K19

XDJ

K200

--

L29, MT1

K19/NM8/ZK3

XDJ

K300

--

L29, MT1

K19/NM8/ZK3

XDY

K200

--

L29, MT1, K19, NB6

NM8/ZK3

XDY

K300

--

L29, MT1, K19, NB6

NM8/ZK3

XDL

K200

--

L29, MT1, NM8

K19/ZK3

XDL

K300

--

L29, MT1, NM8

K19/ZK3

PDJ

K209

06

L29, MT1, ZK3

K19/NM8

PDY

K209

06

L29, MT1, K19, NB6, ZK3

NM8

PDL

K209

06

L29, MT1, NM8, ZK3

K19

XPJ

G300

--

L29, MT1, K19

9C2

XPL

G300

--

L29, MT1

K19/9C2

XPP

G300

--

L29, MT1, 9C2

K19

XPH

P300

--

L29, MT1

--

XPN

P300

12

L21, MT9, NB6/NF2

--

XAK

F600

--

LP4/L21, MF1/MT9

--

XAK

F700

--

LP4/L21, MF1/MT9

--

XAH

F600

--

LP4/L21, MWX

NM8

XAH

F700

--

LP4/L21, MWX

NM8

XAN

F600

--

LP4/L21, MWX, NM8

--

XAN

F700

--

LP4/L21, MWX, NM8

--

XBN

C600

--

LP4/L21, MF1/MT9

--

XBN

C700

--

LP4/L21, MF1/MT9

--

--

B700

--

LP4/L21, MF1

--

XBT

C600

--

LP4/L21, ME4/ME6

--

XBT

C700

--

LP4/L21, ME4/ME6

--

XBH

C600

--

LP4/L21, MNC/MPU/MSC/MSG

NM8

XBH

C700

--

LP4/L21, MNC/MPU/MSC/MSG

NM8

--

B700

--

LP4/L21, MWX

NM8

XBJ

C600

--

LP4/L21, MNC/MPU/MSC/MSG, NM8

--

XBJ

C700

--

LP4/L21, MNC/MPU/MSC/MSG, NM8

--

--

B700

--

LP4/L21, MWX, NM8

--

XBX

C600

--

L21, MM0

NM8

XBX

C700

--

L21, MM0

NM8