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What procedures are required to change the engine number?

2 Answers

LeHaley

07/29/25 4:19am

The procedures required to change the engine number are: 1. The vehicle owner needs to bring the original and photocopy of their ID card, vehicle driving license, motor vehicle registration certificate, proof document for engine replacement, and vehicle information change application form to the vehicle management office to have the staff issue a vehicle inspection application; 2. The owner takes the vehicle inspection application to the inspection site to have the vehicle inspected; 3. After passing the inspection, the owner needs to go to the service hall to process the change of the vehicle engine number. The methods to check the engine number are: 1. Use the owner's name, communication device, driving license, or license plate number to check on the traffic management bureau's website; 2. Check through documents such as the driving license, motor vehicle registration certificate, car purchase invoice, factory certificate, operating license for commercial vehicles, and vehicle insurance card; 3. The engine number of the car is located near the left spark plug of the car engine, and the engine number can be seen by opening the car's hood.

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FinleyAnn

08/12/25 8:03am

I've worked on many cars and found that changing the engine number requires following official procedures. The main materials needed include: the original vehicle's license, vehicle registration certificate, copy of ID card, and proof of the new engine's origin, such as purchase invoice or factory warranty. Then, go to the local DMV to apply and fill out the modification form. They will arrange a vehicle inspection to confirm the new engine number is genuine and legal before updating the records. The whole process may take a day or two. If materials are incomplete or the new engine's origin is unclear, it's easy to get rejected or fined. Remember to make an appointment in advance to save time, and it's best to seek professional assistance to avoid loopholes. This task must be done in compliance with regulations, as illegal modifications not only affect annual inspections but may also be considered fraudulent.

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