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How to Identify a 9004 Headlamp and Compare Its Specs

A four-digit code may refer to different products; verify the exact make and model before comparing headlamps.

A 9004 headlamp search needs one extra step: establish what the code refers to in the listing you found. Model and part codes can overlap, so confirm manufacturer, full model name and intended use before relying on specifications.

How to Identify a 9004 Headlamp and Compare Its Specs

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Questions before you buy

h

Is 9004 a headlamp model number?

e

Where can I find a headlamp model number?

a

What should I compare between headlamps?

d

Can a headlamp use rechargeable and disposable batteries?