GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 General Information 🢒 General Information 🢒 Engine ID and VIN Derivative Location

Object Number: 181924 Size: SH

Located on the VIN plate, the VIN provides detailed engine identification and code information by liter and by the engine code letter.

Engine ID
Object Number: 174106 Size: SH
(1)Source Code
(2)Month of Build
(3)Date of Build
(4)Broadcast Code

The engine unit number or date code is either laser etched or stamped into the engine block.

All engines are stamped with an eight digit engine identification number.