The WABCO 4721020400 is a normally open 3/2-way solenoid valve for controlling compressed-air functions on compatible commercial vehicles and Faymonville trailers.
Operating across a 10.8–28.8V DC voltage range, the valve supports both 12V and 24V electrical systems. Its IP65-rated electrical assembly and operating temperature range of -40°C to +70°C make it suitable for demanding commercial trailer applications.
| Manufacturer | WABCO |
|---|---|
| Part Number | 4721020400 |
| Product Type | Pneumatic Solenoid Valve |
| Valve Configuration | 3/2-Way |
| Default Position | Normally Open |
| Operating Voltage | 10.8–28.8V DC |
| Nominal Current | 370mA |
| Maximum Operating Pressure | 8 bar |
| Nominal Diameter | 2.6mm |
| Exhaust Diameter | 2.2mm |
| Port 1 | M12 x 1.5 |
| Port 2 | M12 x 1.5 |
| Port 3 | M12 x 1.5 |
| Electrical Connection | EN 175301-803-A / ISO 4400 |
| Protection Rating | IP65 |
| Operating Temperature | -40°C to +70°C |
| Technical Specification | OE Specification |
| Dimensions | 124 x 65 x 38mm |
| Weight | 0.627kg |
| BENALU | M020957 |
|---|---|
| EVOBUS | 8283782000, A0007632652 |
| FAUN | 99708410162, 1614541 |
| FAYMONVILLE | 1169 |
| FELDBINDER | 004606, 006616 |
| FRUEHAUF | MO20957, M020957 |
| GOLDHOFER | 200215 |
| HENDRICKSON | 4721020400 |
| IRISBUS | 3300865 |
| IVECO | 08120617, 04809164, 3300865, 8120617, 4721020400, 3300865R1 |
| KEMPF | 2108004 |
| KENWORTH | S4721020400 |
| KRONE | 9454170, 945417, 5009454170, 09454170, 500945417 |
| KÄSSBOHRER | 82837820000 |
| KÖGEL | 77413 |
| LANGENDORF | 1111623 |
| LEYLAND DAF | ACU9344 |
| LOHR | A05020603, 4721020400 |
| MACK | 6300-4721020400 |
| MAN | ZG055740007 |
| MERCEDES-BENZ | 0007632652, A0007632652 |
| MERITOR | S4721020400 |
| NOOTEBOOM | 309033 |
| O&K | 8410162 |
| OTOKAR | AIF0913 |
| PETERBILT | S4721020400 |
| RENAULT | 5430042385 |
| SAF | 4425001500 |
| SCANIA | 2089737 |
| SCHMITZ CARGOBULL | 050804, 054347, 82837820000, 730240, 54347 |
| SEDDON ATKINSON | 3300865R1 |
| TEREX | 29641540 |
| VAN HOOL | 637205790 |
| VOLVO | WAB4721020400 |
