Vehicle Identification Number
Vehicle Identification Number is stamped on metal plate affixed to left side of firewall on CJ series vehicles, and affixed to left front lock pillar on all other models.
54 37 8 1 3 10001
First & Second Digit - Chassis Code.
Third & Fourth Digits - Body Style.
Fifth Digit - Special Equipment Code.
Sixth Digit - Drive Type.
Seventh Digit - Engine Code.
Remaining Digits - Sequence Build Number.