For 1966 GMC I2500 Instrument Panel Lamp Socket SMP 26669FPGH

For 1966 GMC I2500 Instrument Panel Lamp Socket Wells 59288SGBK

For 1966-1974 GMC K15/K1500 Pickup Instrument Panel Lamp Socket Wells 74625MCPX

For 1966 GMC PB3500 Van Instrument Panel Lamp Socket Wells 16721GVWN

For 1966-1974 GMC K15/K1500 Pickup Instrument Panel Lamp Socket Wells 38446VYSM

For 1966 GMC I2500 Instrument Panel Lamp Socket AC Delco 65456MCBK

For 1966 GMC I2500 Instrument Panel Lamp Socket AC Delco 24156WQBK

For 1966 GMC PB25 Series Instrument Panel Lamp Socket Wells 46171MXNX