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 B Unit, shell only $23.00 Add to cart Exhaust Stacks (4) and Steam Generator Vents (early) $7.00 $7.00 Add to cart Smooth Pilot with Separate Snap-On Coupler Door Cover $15.00 Add to cart