How to Identify Genuine OEM Alloy Wheels
Genuine OEM alloy wheels are popular with drivers who want to keep their car original or replace one damaged wheel with the correct manufacturer part. However, it is not always easy to tell whether a wheel is genuine, aftermarket or a replica.
This guide explains how to identify genuine OEM alloy wheels and what to check before buying.
What Does OEM Mean?
OEM stands for Original Equipment Manufacturer. An OEM alloy wheel is made for a vehicle manufacturer or supplied to the manufacturer’s specification.
For example, an OEM BMW alloy wheel is designed for a specific BMW model or range, while an OEM Audi wheel is made to match Audi fitment and styling requirements.
Why Choose Genuine OEM Wheels?
OEM wheels are useful because they help maintain the original look of the vehicle. They are especially important when replacing one wheel, as they make it easier to match the rest of the set.
Benefits include:
- Original styling
- Manufacturer-specific fitment
- Easier matching for single replacements
- Better suitability for resale or lease returns
- Availability of part numbers for identification
Looking for genuine OEM wheels for a specific vehicle? Browse our BMW, Audi, Mercedes, or VW alloy wheels to find wheels by manufacturer.
Check the Part Number
Many genuine OEM alloy wheels have a part number stamped or cast into the back of the wheel. This is one of the best ways to identify the wheel.
The part number can help confirm:
- Manufacturer
- Model compatibility
- Wheel size
- Style
- Finish
If you are replacing one wheel, compare the part number with the wheel already fitted to your car.
Look for Manufacturer Markings
OEM wheels often include manufacturer marks, logos or codes on the back of the wheel. These may include the car brand, supplier markings, size, offset and safety information.
However, markings can vary, so do not rely on a logo alone.
Check the Size and Offset
A genuine wheel should have clear size and offset markings, such as 18x8J ET45. These details must match your vehicle requirements.
A wheel may be genuine but still not suitable for your specific car, so fitment checks are still essential.
Beware of Replica Wheels
Replica wheels may look similar to OEM wheels but may not have the same specifications or quality. Some replicas can be perfectly usable, but others may have different load ratings, centre bores or finishes.
If originality matters, always check the part number and markings.
For a clearer comparison between genuine OEM and aftermarket wheels, see our guide OEM vs Aftermarket Alloy Wheels: What Is the Difference?
Condition Still Matters
Even genuine OEM wheels should be inspected for damage. Check for cracks, buckles, corrosion, heavy kerbing and previous repairs before buying.
Final Advice
The best way to identify genuine OEM alloy wheels is to check the markings, part number, size and fitment details on the back of the wheel. If you need a single replacement alloy wheel, matching the OEM part number can help you find the closest possible match.