Replaces the Hydro-Boost kit for your Demco Air Force One supplemental braking system (9599007, 9599019, 9599020, or 9599021). Kit includes (1) 5.8" Acorn nut, 1 rubber plug, and (1) 0.375" barbed plug.
Thanks for the great service. The order arrived at my doorstep yesterday afternoon. Thank you for making sure the order was complete. I installed the hitch and wire kit last night with no problems. The instructions were perfect. Bruce
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