It can be in a variety of places, depending on the make and model of the vehicle (i'm assuming that you are inquiring about the engine VIN on a car).
Access and viability might be very difficult on a new car, as the older cars were made with more room in the engine bay (they also had less stuff in there).
Engine VIN numbers are usually stamped on the crankcase (the bottom portion of the engine). It will usually be placed in an area that has been flatted during the casting process (the manufacturing of the component), so that they have a nice surface to stamp on to. It can be any number of places: under or over the exhaust manifold, on the intake side, on top, in the front,.. with a rag (for wiping off grease, a flashlight, and patience, you'll find it.
VIN stands for vehicle identification number and is used to identify the frame, not the engine. The VIN is usually located on the steering neck where the fork goes through the frame or the lower right side of the frame. The VIN is not marked on the motor.
Compare vin. numbers between engine block and tag in window and or door jam. If numbers are the same, then the motor is original.
location of VIN # on a 1999 Tracker boat motor?
what size motor do i have 250ex or 300ex vin number is te19e-2015145
Lookups by vin can be done on the Carfax website. You may also use the vehicle identification number website, which will be found through the Department of Motor Vehicles
Vin numbers on 1949 Buick?
where do you find the vin on a boat
Yes Dirt Bikes Have Vin Numbers.
where can i put the vin numbers in to get my free
there are no hidden vin numbers.
both vin numbers the 8th letter is Z
Since 1965 to 1971 VIN Numbers where only 13 digits. Here is a site to explain VIN numbers (see related link)