For 1966 GMC I1500 Instrument Panel Lamp Socket SMP 58238YXRY

For 1966 GMC I1500 Instrument Panel Lamp Socket SMP 63469MDHJ

For 1966 GMC K1000 Pickup Instrument Panel Lamp Socket AC Delco 76319GHJD

For 1966 GMC I1500 Instrument Panel Lamp Socket AC Delco 82241CJJJ

For 1966 GMC PB15 Series Instrument Panel Lamp Socket AC Delco 31356CJMD

For 1961-1965 GMC 1500 Series Instrument Panel Lamp Socket AC Delco 66472KDGR

For 1963-1966 GMC Suburban Instrument Panel Lamp Socket AC Delco 62573SMXK 1964

For 1966-1974 GMC K15/K1500 Pickup Instrument Panel Lamp Socket AC Delco 19699VW