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It is a DW2041GTY and DW2134GBY both were pilkington glasses, Suburban, Tahoe and pickups with LDWS. I have gone to the dealerships and measured the openings and both openings are too large and will not let the computer work correctly. FYG america DOT 1038 and CMX Vitro dot 287 are oem glass and have the correct openings. If anyone has different suggestions I would be open to hearing about your fixes.
GM released new variants in 2016 with larger openings - DW02274 and DW02275. Not sure if these two are backwards compatible, but there has been much churn with newer models trying to use the previous variants, DW02134, DW02135 and DW02136. Also, the DW02041 is smaller yet, and is only intended for the Silverado.