Vehicle Modification Insurance In Malaysia: What Drivers Should Know
Vehicle modifications can improve your car's appearance, comfort, and performance, but they also affect your insurance coverage.
In Malaysia, certain modifications should be disclosed to your insurer because they can influence risk assessment, claims evaluation, and repair costs. Failing to declare modifications can complicate the claims process, especially if the modification contributed to the damage or loss.
Here's what drivers should know before modifying their vehicles.
What Is Considered a Vehicle Modification?
A vehicle modification refers to changes made to a car that differ from the manufacturer's original specifications. Under the Road Transport Act 1987, JPJ regulates what can and can't be done to a vehicle.
Not every modification needs approval before you install it. Based on JPJ's rules, some common modifications don't require prior JPJ approval as long as they stay within set size and safety limits, including:
Spoilers, side skirts and aerofoils
Door visors
Bumpers and protecting guards (kangaroo bars)
Bigger rims and tyres
Sunroof or moonroof installation
Roof racks, bike carriers and cargo racks
Manual-to-automatic transmission change
Canopies
Winches, side steps and snorkels (off-road accessories)
Spotlights — front only; rear-mounted spotlights are not allowed at all
Other changes are more serious and need written approval from JPJ before you proceed, such as changes to the chassis/monocoque, engine, wheelbase, brake system, steering system, or converting a sedan into a convertible.
Some modifications are purely cosmetic, while others can affect vehicle performance or safety, and how your insurer treats a claim.
Why Do Insurers Need to Know About Modifications?
Insurance premiums are calculated based on risk. Certain modifications can increase repair and replacement part costs, as well as theft and accident risks.
For this reason, some insurers require policyholders to declare modifications before coverage is issued or renewed.
Important: Undeclared modifications can affect claims assessment, depending on the insurer's review and the circumstances of the accident.
How Vehicle Modifications Affect Insurance Claims
When a claim is submitted, insurers assess the condition of the vehicle and the cause of the damage. If modifications are involved, the insurer will evaluate:
Whether the modification contributed to the incident
Whether the modified parts were declared
Whether replacement costs differ from standard factory parts
In some situations, modified accessories or aftermarket parts might not be compensated under a standard policy unless additional coverage or endorsements apply. Car owners are recommended to consult their insurer directly to confirm.
For PolicyStreet customers, self-serve endorsements for eligible changes to your car details are available at car.policystreet.com/endorsement.
Do You Need to Declare Vehicle Modifications?
Yes. Drivers are generally encouraged to inform their insurer about significant vehicle modifications.
This helps ensure accurate policy information, proper risk assessment, and clearer claims processing. Drivers can also get advice on whether a modification affects coverage, whether additional protection is needed, or whether premium adjustments apply before renewing their car insurance.
Tips Before Modifying Your Vehicle
Before making modifications, drivers should consider the following:
Inform your insurer before renewal or policy purchase
Keep receipts and documentation for modified parts
Use reputable workshops for installations
Check whether your modification needs JPJ approval, and get it done properly if it does
Confirm whether additional coverage is required
Taking these steps early help reduce complications during claims.
Final Takeaway
While vehicle modifications can personalise your car and improve your driving experience, it's worth checking how they affect your policy — and whether disclosure to your insurer is required — before you go ahead.
Not sure whether your modification affects your coverage? Contact PolicyStreet at customerservice@policystreet.com or WhatsApp +6018-282 2320 for clarification before renewing your policy. You can also compare and renew your car insurance through PolicyStreet.
Frequently Asked Questions
1. Will my insurance cover aftermarket parts?
Specific coverage for modified parts depends on the insurer's policy terms. Certain aftermarket or modified parts require additional coverage or declaration.
2. Can undeclared modifications affect my claim?
Undeclared modifications could result in claim rejection or partial denial. It's recommended that drivers declare modifications before renewing to avoid complications.
3. Will modifications increase my insurance premium?
It depends. Whether modifications affect your car insurance premium depends on the specific modification and your insurer's assessment.
4. Do cosmetic modifications need to be declared?
Drivers are encouraged to check with their insurer, as requirements vary depending on the type of modification. For PolicyStreet customers, contact customerservice@policystreet.com or WhatsApp +6018-282 2320 to confirm which cosmetic modifications must be declared.
