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Chester,

The numbers you referenced are for king of the road valves. You only have three, one in front and two in back.   Call me if this doesn't make sense to you. 817 223 2056

Rob at Dayton Air Controls told us that you may have a detailed procedure on how to change these valves out. We received the new valves and realized that they are a different style. We hope to have you help us to figure out the best way to adapt them to what we currently have. Please e-mail us back or call at 605-484-9122. Thanks Rick and Cindy Freeman