OEM vs Aftermarket Windscreens: What’s the Difference?

OEM vs Aftermarket Windscreens: What’s the Difference?

If you need a windscreen replaced, you’ll usually be offered a choice between OEM and aftermarket glass. Here’s what that choice actually means for safety, price, and fit.

What Does OEM Mean?

OEM stands for Original Equipment Manufacturer. OEM glass is made by or for the company that supplied your vehicle’s windscreen when it rolled off the production line, so it’s an exact match to the original in shape, thickness, and features.

What Does Aftermarket Mean?

Aftermarket glass is made by independent manufacturers to fit your vehicle, without the vehicle brand’s own logo or supply chain. Quality aftermarket glass is manufactured to the same Australian Design Rules (ADR) safety standards as OEM glass, covering strength, optical clarity, and impact resistance.

Are Aftermarket Windscreens Safe?

Yes, provided it’s quality aftermarket glass from a reputable supplier. All windscreens sold in Australia, OEM or aftermarket, must meet the same ADR safety standards. The difference is more about fit precision and brand matching than raw safety.

Key Differences to Consider

• Price – aftermarket glass is generally cheaper than OEM
• Fit – OEM guarantees a factory-exact fit, while quality aftermarket is close but can occasionally vary slightly
• Branding – OEM glass carries the vehicle manufacturer’s logo, aftermarket doesn’t
• Availability – aftermarket glass is often quicker to source, which can mean a faster repair

When OEM Makes Sense

OEM is worth considering for newer vehicles still under warranty, vehicles with complex ADAS camera and sensor systems where precise fit can simplify calibration, or if your insurance policy specifically requires OEM glass.

When Aftermarket Makes Sense

Quality aftermarket glass is a sensible choice for older vehicles, budget-conscious replacements, or when same-day availability matters more than brand-matched glass.

What We Use

We source glass that matches your vehicle’s specifications and safety requirements, and we’re upfront about whether OEM or quality aftermarket is the better fit for your situation and budget – just ask when you book.

FAQ

Does aftermarket glass affect ADAS calibration?

Any windscreen replacement on a vehicle with ADAS features should be followed by a calibration check, regardless of whether the glass is OEM or aftermarket. Ask your technician to confirm calibration is handled or recommended for your vehicle.

Will my insurer only pay for aftermarket?

This depends on your policy. Some insurers default to aftermarket glass to manage costs, while others allow OEM for an additional excess or premium. Check your product disclosure statement or ask your insurer directly.

Can I request OEM specifically?

Yes, you can usually request OEM glass, though it may cost more and take slightly longer to source depending on your vehicle.

Get Advice for Your Vehicle

Not sure which option suits your car? Make an appointment or call 0405 412 951 and we’ll talk you through the right glass for your vehicle and budget.