55-57 Chevy 4-Door Sedan & Wagon Front Door Glass Track Roller Guide.
The roller guide attaches to the bottom of the glass track. The guide is 13-9/16” long. This is the track that the window regulator rollers rides in. This roller guide works on all 4-door sedans and 4-door wagons, front doors. Two needed per car, one per side. Made from galvanized metal, so they won’t rust. This part is made in the USA.