Is it okay to engrave the frame number by myself?

[ManuelFitz]

As long as it matches the frame number on the certificate of conformity. Location of the vehicle frame number: For passenger cars, the frame number is usually located at the lower right corner of the front windshield. For large trucks, the frame number is typically found on the frame beneath the cargo bed. The frame number is a combination of letters and numbers. Open the front hood, and you will find a nameplate on the firewall in front of the engine; the frame number is inscribed on the inner wall of this nameplate. The frame number, also known as the vehicle identification number (VIN), is unique to each vehicle, even for the same model. Difference between frame number and chassis number: There is no difference between the two; both frame number and chassis number are colloquial terms. The accurate term should be vehicle identification number or VIN. The arrangement and combination of the vehicle identification number ensure that no two vehicles of the same model will have the same number within 30 years. The VIN can be used to deduce information such as the vehicle's manufacturing year, country of origin, production date, etc., functioning similarly to a vehicle's 'ID card'.