OEM vs Aftermarket Car Keys – A Locksmith-Focused Comparison
Understanding OEM and Aftermarket Keys
OEM keys are produced for the original vehicle manufacturer, while aftermarket keys are made by third-party suppliers.
Keywords: OEM car keys, aftermarket car keys, automotive locksmith supplies
Both play an important role in a locksmith’s daily operations.
Advantages of OEM Car Keys
- Maximum compatibility
- High programming success rate
- Required for some high-security systems
Advantages of Aftermarket Car Keys
- Lower cost
- Better margins
- Easier bulk availability
Many aftermarket keys are used in transponder systems—see Transponder Keys Explained.
When to Choose OEM
OEM keys are often necessary for:
- Certain proximity systems
- Restricted immobilizers
- Late-model vehicles
Learn more about these systems in Smart Keys & Proximity Systems.
Final Thoughts
A balanced approach using both OEM and aftermarket keys allows locksmiths to stay competitive while protecting profit margins.