Keep your navigation lights and interior boat lighting working when the bite runs past sunset with the Boating Essentials LED #1004 Replacement Bulb, a direct-fit upgrade for anglers who fish early for walleye, stay out late for crappie, or need dependable light while rigging for catfish at the dock. This LED replacement for standard #1004 bulbs installs quickly and helps restore clear, consistent illumination for common boating applications, delivering stronger lighting performance and a longer service life than a standard bulb while keeping replacement simple when time on the water matters.Replaces standard #1004 bulbs easilyDelivers brighter, more efficient lighting with longer-lasting LED performanceSpeeds up maintenance with quick, straightforward installationWorks well for boat navigation lights, interior compartments, and other onboard lighting needs