South Western Model Company’s F Unit roof top coils “Cab Doors (Pair, Reversible)” 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 Side Panel (Pair of 5 Differing Sets) $8.00 Add to cart FP Conversion Parts Set $10.00 Add to cart Upper Side Filler Panels $6.00 Add to cart Pilot Beam Bumper and Late Style Water Filler Hatches $6.00 Add to cart