For GMC Sierra 1500 Communication Interface Module Retainer Dorman 81586PY

For Silverado 1500 Classic Communication Interface Module Retainer 31622TZVJ

For Silverado 1500 Classic Communication Interface Module Retainer 51655KTWT

For Silverado 1500 Classic Communication Interface Module Retainer 58173MM

For Silverado 1500 HD Classic Communication Interface Module Retainer 89916DFMS

For Silverado 1500 HD Classic Communication Interface Module Retainer 58435GBBY

For Silverado 2500 HD Classic Communication Interface Module Retainer 61439DF

For Silverado 1500 Classic Communication Interface Module Retainer 59118HG