; HomeHeavy Duty Truck PartsABS ComponentsABS Relay ValvesWabcoOtherUsed 2007 Wabco ABS Relay Valve Used 2007 Wabco ABS Relay Valve Unfortunately this part is temporarily unavailable. View other Wabco Other ABS Relay Valves Parts with Part# 12-17721-003 Used 2007 Freightliner Bracket Brackets Catoosa, Oklahoma, US Stock # 850 Truck Year 2007 Truck Make Freightliner Truck Model N/A 2007 Freightliner Air Valve Bracket & Air Valves 12-17721-003. Call For Price 1-877-295-0864 More Details M & M Truck Parts