For 1966 GMC I1000 Instrument Panel Lamp Socket SMP 81469VRPK

For 1966 GMC I1000 Instrument Panel Lamp Socket Wells 36986DFZY

For 1966 GMC I1500 Instrument Panel Lamp Socket SMP 64385PQRT

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

For 1966 GMC I2500 Instrument Panel Lamp Socket SMP 26669FPGH

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 Wells 87549YZGF