General Motors 22878302, Door Mirror Switch Genuine Oem:Yes, Category 2:Body Electrical, Fitment Footnotes:Diag Ref #23, Item Name:Mirror Switch, Category 1:Electrical Brand:GM, Fitment Type:Direct Replacement, Superseded Part Number:20873600, Part Ref# On Diagram:ONLY PART REFERENCE #23 ON THE DIAGRAM I Manufacturer Part Number:22878302, Category 3:Mirrors, Other Part Number:20873600, 15808774, Quantity Needed:1