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Official manufacturer imageNITECORE NU25 MCT UL
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Official manufacturer imageBlack Diamond Spot 400 Headlamp
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Common questions
Questions before you buy
It generally describes a nominal lamp size, but product measurement conventions can vary. Confirm the maker’s dimensions and mounting specification.
Will a 5.75-inch headlamp fit my vehicle?
Not necessarily. Fit depends on the bucket, retaining ring, connector, depth and vehicle configuration; check the exact vehicle fitment.
Are all 5.75-inch headlamps the same?
No. They can differ in mounting, electrical connections, beam pattern and approvals even when the nominal size matches.
How do I measure a 5.75-inch headlamp?
Follow the product maker’s measurement guidance and compare the lamp and mounting bucket dimensions. Do not rely on a listing title alone.
Confirm manufacturer dimensions and road-use suitability for the specific vehicle before ordering.







