How to Find the Chassis and Engine Number - 56juqingba: How-to instructions you can trust

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1 Finding the VIN on a Car
2 Finding the VIN on a Motorcycle, Scooter, or ATV
3 Finding the Engine Number Other Sections
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Co-authored by Audra Fordin

Last Updated: June 9, 2024 References

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This article was co-authored by Audra Fordin. Audra Fordin is a Certified Automotive Technician, the Founder of Women Auto Know, and the Owner of Great Bear Auto Repair in Flushing, New York. With more than 38 years of experience, she has intensive knowledge about foreign and domestic auto repairs. Audra has been featured on numerous news and talk shows such as The Today Show, Inside Edition, and Anderson Cooper.

There are 9 references cited in this article, which can be found at the bottom of the page.

This article has been viewed 1,748,281 times.

The chassis number is the last six digits of your car’s Vehicle Identification Numbers (VIN), so you need to find the VIN to determine the chassis number. Cars and motorcycles list the VIN in different places, so where you look will depend on the type of vehicle you have. The engine number is the number that is stamped on your vehicle’s engine. If you are having trouble finding the VIN or engine number on your vehicle, there are several places that you can check.

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1 Method 1 of 3:

Finding the VIN on a Car

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1 Check your paperwork. If you do not have access to your vehicle or if you do not want to go looking around the vehicle for the VIN, there are several different pieces of paperwork that should include the VIN. Some of the documents that you can check include: ^{[1] X Research source}
- Title
- Registration card
- Owner’s manual
- Insurance documents
- Body shop repair records
- Police reports
- Vehicle history reports
2 Look at your dashboard. The easiest place to find the VIN on your vehicle is right on the lower left corner of your dashboard. ^{[2] X Expert Source Audra Fordin
Certified Automotive Technician Expert Interview. 13 January 2022.} You should be able to read the number by looking through your windshield on the driver’s side of your car. ^{[3] X Research source} Advertisement
3 Check the driver’s side door. The VIN might also be located in the driver’s side doorjamb or on the doorpost. Open your driver’s side door and look around the edges of the doorjamb for a little white sticker. ^{[4] X Research source}
- If your VIN is on the doorjamb, then it should be on the area of the doorjamb just below the level of the rearview mirror.
- The VIN number may also be on the opposite side of the driver’s side doorjamb, near where the driver’s side seatbelt latches.^{[5] X Research source}
4 Pop the hood. If you haven’t found it anywhere else, then you can pop your hood and look at the front of the engine block. The VIN number may be written on the front of the engine block. ^{[6] X Research source}
5 Inspect the frame. Sometimes the VIN is written on the front of the vehicle’s frame, somewhere near the windshield washer fluid container. ^{[7] X Expert Source Audra Fordin
Certified Automotive Technician Expert Interview. 13 January 2022.} Go to the front of the car, pop your hood, locate your window washer fluid container, close the hood, and then inspect the vehicle’s frame near this area of your vehicle for the VIN. ^{[8] X Research source}
6 Lift up your spare tire. If you have a spare tire in the back of your trunk and you haven’t found the VIN anywhere else, it might be back there. Pop your trunk, remove the spare tire, and look in the space where the spare is usually kept. The VIN may be written in this area. ^{[9] X Research source}
7 Peek under the wheel well. Another place you can check is under your rear wheel well. Go to the back of your vehicle, get down on the ground, and look up at your wheel well. Check both sides to see if the VIN is recorded here. ^{[10] X Research source}
- You will probably need a flashlight to see the VIN if it is written here.
8 Write it down somewhere! After you have found your VIN, make sure that you write it down and keep it in a file for easy access the next time that you need it. Keep the VIN number in a physical file, save it to a file on your computer, or email it to yourself.
9 Identify the chassis number. Remember that the chassis number is made up of the last six digits of the VIN. Look at the VIN that you have written down and circle the last six digits of the number to identify your vehicle’s chassis number.

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2 Method 2 of 3:

Finding the VIN on a Motorcycle, Scooter, or ATV

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1 Look for the VIN at the steering neck. The steering neck is the most common place to find a VIN on a motorcycle. You can locate the VIN by turning the handles to one side and looking at the steering neck, which is a metal cylinder that runs down from the handles. The VIN should be etched into the metal. ^{[11] X Research source}
- You may have to check both sides of the steering neck to find the VIN.
2 Check the motor. Sometimes the VIN is located on the motor for motorcycles. If you could not find the VIN on the steering neck, then check the motor. The VIN should be near the bottom of the motor’s cylinders. ^{[12] X Research source}
3 Inspect the front frame. For ATVs and some motorcycles, the VIN may be on the frame, but it is not always easy to find. You may need to look around a bit and use a flashlight to locate a VIN that is printed on the inner frame of a bike. ^{[13] X Research source}
- Check the outside of the frame first. The VIN may be located just below your bike’s shifter on the left side of your bike. If you can’t find it on the outside of the bike, start looking on the inside of the frame.^{[14] X Research source}
- Some manufacturers stamp the VIN on specific areas of the frame. For example, Honda stamps the VIN on the right side of the steering head as well as on the area of the frame just above the motor on the left side of the bike. Check with your manufacturer to see if there are specific areas where you should look first.
4 Remember to circle the last six digits. The last six digits of your motorcycle’s VIN number make up your motorcycle’s chassis number. Circle the last six digits to identify the chassis number.

Method
3 Method 3 of 3:

Finding the Engine Number

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1 Check the engine. Your vehicle’s engine number should be stamped right onto the engine of your vehicle. ^{[15] X Expert Source Audra Fordin
Certified Automotive Technician Expert Interview. 13 January 2022.} Pop the hood of your vehicle or look at your motorcycle’s engine from the side. You should see a sticker that clearly indicates the engine number. ^{[16] X Research source}
2 Look at your owner’s manual. If you cannot find a sticker on your engine that lists your engine number, then check your owner’s manual for this information. It should be located within the first few pages of the booklet.
- Your owner’s manual may also include a picture of where to find the engine number on the engine block.^{[17] X Research source hhttps://www.fordservicecontent.com/Ford_Content/Catalog/owner_information/Everest_U375_TEC_EB3B-19G219-YAB_AUS.pdf}
3 Identify the engine number. The engine number is a six digit number that follows a three digit engine code. You may notice that the engine number includes three digits followed by six more digits. The first three digits are your vehicle’s engine code and the last six digits are your vehicle’s engine number.

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Question How do I find out the manufacturing year of my vehicle? Community Answer Check the door jam or the owner’s manual or look up the VIN on the manufacturer’s website. Thanks! We’re glad this was helpful.
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If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 23 Helpful 58
Question Where should I look for the chassis number of a Land Rover series 3 1968 model? Community Answer Look on the chassis behind the front wheels or on the chassis near the rear spring shackles. Thanks! We’re glad this was helpful.
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If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 11 Helpful 23
Question Does the manufacturer have to supply an engine number? Community Answer The short answer is yes. The manufacturer by state law must produce the engine number for the vehicle in question; if he does not, he can be subject to fines, tariffs, and litigation by the customer. This means you can sue him for not giving you the information you need to repair the vehicle. Thanks! We’re glad this was helpful.
Thank you for your feedback.
If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 6 Helpful 8

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