This pair set of side markers corner lamp parking light corner light is a direct replacement for GMC Sierra 1500 and 2500 from 1994-2002. The set includes two side markers without bulbs, with partslink numbers GM2550145 and GM2551145, and OE numbers 5977740 and 5977739. These side markers are suitable for the front left and right side lower placement on the vehicle, and come with a 1-year unlimited-mileage warranty.