South Western Model Company’s F Unit roof top coils “Pilot Beam Bumper and Late Style Water Filler Hatches” has been added to your cart. View cart $6.00 South Western Model Company's F Unit roof top coils quantity Add to cart SKU: DHRTC Category: Plastic Parts Related products Cab Doors (Pair, Reversible) $6.00 Add to cart Fan cluster with center buttons $8.00 Add to cart Nose Door Set, Blank with Factory headlight & Retrofit Headlight $8.00 Add to cart Number Board Sets $8.00 Add to cart