Where to Find Your ESN
The Engine Serial Number (ESN) is a unique identifier for your engine. It can typically be found in the following locations:
1
Engine Data Plate
A metal plate attached to the engine block, usually on the side or front. The ESN is clearly labeled on this plate.
2
Owner's Manual
Your engine's serial number is often recorded in the documentation provided with your vehicle or equipment.
3
Vehicle Registration
The ESN may be listed on your vehicle registration documents or other official paperwork.
Example of an engine data plate showing the Serial Engine Number