When buying replacement parts for your car, accuracy is everything. Ordering the wrong part wastes time, money, and effort. One of the most reliable ways to ensure you get the right parts is by using your car’s chassis number, also known as the Vehicle Identification Number (VIN).
What Is a Chassis Number?
The chassis number (VIN) is a unique 17-character code assigned to every vehicle. It contains vital information about your car, including:
- Manufacturer
 - Model and year
 - Engine type
 - Country of origin
 - Unique serial number
 
You can usually find the chassis number in these places:
- On the dashboard, near the windshield (visible from outside).
 - On the driver’s side door frame or door post.
 - In the car’s registration documents or insurance papers.
 
Why Use the Chassis Number for Car Parts?
Car models often have variations depending on engine type, year of manufacture, or market region. For example, a brake pad for a 2018 Toyota Corolla in Europe may differ from one made for the same model in Asia. The chassis number helps pinpoint the exact version of your car so you buy compatible parts.
Steps to Check Car Parts Using a Chassis Number
1. Identify Your Chassis Number
Locate the VIN on your car or in official documents. Double-check that all 17 characters are correct (mix-ups between letters like “O” and numbers like “0” are common).
2. Use Online VIN Decoders
Many free and paid websites allow you to enter your chassis number and decode details about your car. Examples include manufacturer websites, car part suppliers, and VIN-check services.
3. Visit Official Manufacturer or Dealer Websites
Car manufacturers often provide online parts catalogs. By entering your chassis number, you can find a list of all original parts that fit your exact vehicle.
4. Check with Authorized Dealers or Mechanics
If you’re unsure, provide your chassis number to a dealership or trusted mechanic. They can look up the exact part numbers through official databases.
5. Use Auto Parts Retailer Platforms
Online auto part stores usually have a search function where you can input your chassis number. This ensures the parts displayed are guaranteed to match your vehicle.
Tips for Accuracy
- Always confirm the part number before ordering.
 - Be cautious with third-party sellers; use trusted websites or local dealers.
 - Keep a copy of your chassis number handy when shopping for parts online or offline.
 
The chassis number is the key to finding the exact parts your car needs.