Change of engine number (Form VL 6) - Department of Transport - transport wa gov 2026

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Definition and Purpose of the Change of Engine Number Form

The "Change of engine number (Form VL 6) - Department of Transport - transport wa gov" serves a critical function in the vehicle modification and ownership process. This form is used to officially document any changes made to a vehicle's engine number in the Australian state of Western Australia. By filling out and submitting this form, vehicle owners can ensure their vehicle's registration details remain accurate and up-to-date. Accurate engine number documentation is vital for various reasons, including legal compliance, insurance matters, and vehicle resale.

Steps to Complete the Change of Engine Number Form

Completing the "Change of engine number (Form VL 6)" requires precision and attention to detail. Here’s a step-by-step breakdown:

  1. Gather Personal Information: Start by collecting your personal details, including your full name, address, and contact information.

  2. Vehicle Details: Document the vehicle's current registration number and any pertinent details regarding the vehicle make, model, and year.

  3. Engine Information: Note the previous engine number and the new engine number, ensuring accuracy in each detail.

  4. Declaration Section: You must complete the declaration section, attesting to the accuracy of the information provided. This includes signing and dating the form.

  5. Submission: Finally, decide on your method of submission—whether it's in person or by mail.

How to Obtain the Change of Engine Number Form

Acquiring the "Change of engine number (Form VL 6)" is straightforward. The form is available through the Department of Transport’s official website in Western Australia. Here are the steps:

  • Online Download: The easiest method is to download the form directly from the Department of Transport’s website.

  • In-Person Pickup: Visit a regional licensing center or a Department of Transport office to obtain a physical copy.

  • Request by Mail: Some individuals may prefer to contact the Department of Transport to request the form be mailed to them if internet access is limited.

Why Change of Engine Number is Necessary

Updating the engine number with Form VL 6 ensures you are legally compliant with local transport regulations. Here are several reasons why it is necessary:

  • Legal Compliance: Registering the correct engine number is a legal requirement, avoiding fines or legal disputes.

  • Insurance Accuracy: Incorrect engine details can impact insurance coverage and claims.

  • Proof of Authentication: Ensures that the vehicle is recognized by authorities with updated records, preventing complications in future transactions.

Key Elements of the Form

Understanding the critical elements of the form aids accurate completion:

  • License Holder Information: Captures essential personal identification details.

  • Vehicle Information: Pertains to registration and descriptive elements of the vehicle.

  • Engine Details: Includes fields for both the previous and new engine numbers.

  • Certification Section: Provides a space for the applicant’s signature, confirming that all information is true and correct.

Who Typically Uses the Form

Form VL 6 is primarily used by vehicle owners in Western Australia who are undergoing an engine replacement or major engine modification. It’s also useful for:

  • Automobile Dealers: Facilitating the resale of vehicles that have undergone engine changes.

  • Mechanics and Auto Specialists: Assisting clients with paperwork following engine modifications.

  • Fleet Managers: Ensuring that all fleet vehicles are accurately documented for regulatory compliance.

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Legal Use of the Change of Engine Number Form

Using the form within legal boundaries ensures adherence to state regulations:

  • Verification of Authenticity: The certified declaration serves as a legal attestation of the change in engine specifications.

  • Avoidance of Fraud: The form is designed to reduce incidents of vehicle and engine fraud.

  • Regulatory Compliance: Maintaining accurate vehicle documentation meets the standards set by the Western Australian transport authorities.

Submission Methods for the Form

Submitting the form correctly is crucial for efficient processing:

  • In-Person Submission: Visit a licensing center or local Department of Transport office for direct submission and real-time assistance.

  • Mail Submission: Alternatively, complete and mail the form to the specified address provided by the transport authority, allowing for a detailed review without time constraints.

  • Online Options: While traditional methods are prevalent, check if there are emerging platforms offering digital submission for enhanced convenience.


This detailed exploration of the "Change of engine number (Form VL 6)" aims to guide you through its importance, usage, and legal implications to ensure the process is completed accurately and efficiently.

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The engine number can typically be found on the engine block or the distributor cap. Ensure your engine block is clean as this may obscure the code youre looking for.
Vahan: Visit the Vahan website or use the Vahan app. Enter your vehicles registration number, and you can retrieve details like the chassis number, engine number, and other essential information. MParivahan: Similar to Vahan, Parivahan Sewa also offers online access to your vehicles details.
Everything from engine displacement, configuration, size and designation can be obtained with a simple VIN-based engine number check. This information can all be obtained through a vehicle engine number check online.
Transfer to WA registration In WA, vehicle registration is called a vehicle licence or rego. To transfer to a WA vehicle licence, you may need to book a roadworthiness examination. You must then go in person to a Department of Transport (DoT) Driver and Vehicle Services Centre with other required documents.
contact.centre@transport.wa.gov.au Staff will endeavour to reply to emails as soon as possible during operating hours: 7am - 6pm, Monday to Friday (excluding public holidays). There are two different postal addresses that you can send your enquiries through to.

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