NEW GM OEM BLIND SPOT control module - never installed! FITS: 2017-2020 Acadia; 2018-2020 Terrain, Traverse, Equinox, Regal + many 2021's also
Left side bumper. Number on your current part must be 84129137, or 84186471, or 84418801
Left and right differ - this is for the left side
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