12 V; approximately 1" L x .400" diameter
Replacement socket assemblies, which includes bulb, are available to fit both early- and late-style gauges
Replacement bulb for metal push-in socket only
12V (1156- and 1157-style); approximately 1.03" L x .720" diameter globe
Replacement Bulb for 12 V, dual-element, 30/30 W bulb