The headlight bulb size for Your 2004 Honda CR-V is going to be a 9003, which handles duties for both the high and low beams. You can upgrade this from a halogen to an LED if You're looking for something brighter that'll last a bit longer. Also in the front, You're Honda uses a 168 for the front size marker light and A7443 for the front turn signal lights. On Your back end, You've got 7443s or 7528s for the tail lights (either will work) and 7440s or 7506 (again, pick Your poison) for the rear turn signal lights. The brake lights are the same as the tail lights, and the back up light uses the same as the rear turn signals, A7440.
William K.
April 9, 2020
The 2004 honda cr-v headlight uses a 9003 bulb for both the low and high beams.
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