LED40R24 40 Series 4in. Round Red LED Stop-Turn-Tail Lamp. Has twenty-four 4-pin square diodes for the best shock resistance. Fully potted circuit board for vibration and moisture resistance. Uses standard pigtails LT1406 or LT1410. Uses standard 4in. grommet LT40G or LT402G. Low amp draw .26 SAE STIP 03 DOT This light replaces Grote 53312, Peterson M417R, VSM 4464, Maxima M40100R , TruckLite , See pictures below.