Overview Reviews Product Description Push/pull control valve for trucks, trailers, busses and other heavy vehicles. Features: Air pilot return. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × S110589WC - Push/Pull Valve With Air Pilot Return & Weather Cap Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments