55-57 Chevy 4-Door Sedan or Wagon Door Window Regulator Idler Bracket.
These brackets will work on front or rear doors. The bracket mounts to the inner door; it is used to help guide the window regulator. This is the track that the window regulator rollers rides in. Four needed per car, one per door. Made from galvanized metal, so they won’t rust. Comes with mounting hardware. Works on all 55-57 Chevy 4-Door Sedan & 4-Door Wagon Models. Made in the USA.