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Truck-Lite · Electrical & Lighting
TK50831
In stock · ships from Knoxville
This is a gray ABS plastic adapter ring that lets you mount a standard 4-inch round tail light, turn signal, or marker lamp into an existing larger cutout.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
Commonly used to retrofit 4-inch LED or incandescent tail lights into older housings. Replaces Signal-Stat 9117.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 2 of 2.
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It converts a 4-3/4-inch mounting hole down to a 4-1/2-inch opening, so you can replace an old 6-inch light with a modern 4-inch sealed lamp without bodywork. The ring bolts into the original holes and provides a flat flange for the new lamp. You would replace it when the adapter is cracked, missing, or when switching to 4-inch lights and need a clean, secure mount.
Part Number: TK50831
ADAPTER FOR TAIL LIGHT
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting