b'4.23 Height Limiting Valves, In-line FiltersHeight Limiting Valve Knorr Height Limiting Valve Knorr Height Limiting Valve WabcoOEM No. Part No. OEM No. Part No. OEM No. Part No.I60496 0868204 I83425 0878227 9640010027 0668030RTop & bottom threads 8mm, Lower connection 4.2mm hole, top threadports M12 x 1.5 8mm, ports M12 x 1.5In-line Filter In-line Filter In-line FilterOEM No. Part No. OEM No. Part No. OEM No. Part No.310005011 0878773 I99660 0878106 4325000200 1238508Ports M22 x 1.5 Ports M22 x 1.5 Ports M22 x 1.5Stop Light Switch Silencer Exhaust FilterAir BrakeOEM No. Pressure Part No. OEM No. Part No. Size Part No.274746 0.3 Bar 1517576 4324070120 1504939 1/4 BSP 950379470db/13barwww.trpparts.com'