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A trailer losing air while parked, or whose spring brakes set during a short stop, often has the Bendix Trailer Brake Supply Valve losing its seal. That valve holds the supply line open under normal driving and closes only when air drops or the driver pulls the control, so a worn seal signals a false drop. The Bendix 287282N is built to the same seal and seat tolerances as the valve it replaces, holding pressure the way the original did. A new valve stops that false response, so nobody wastes time chasing a leak that isn't real.
| Automatic Release Pressure | 40 PSI |
| Button Color | Red (Yellow Band) |
| Button Shape | Octagon |
| Button Text | Push to Charge | Trailer Air Supply | Not for Parking |
| Button(s) Included | Yes |
| Control (Pilot / AUX) Port | 1/8-27 NPT |
| Delivery Port 1 | 1/4-18 NPT |
| Delivery Port 2 | Not applicable to this part |
| Dial Included | No |
| Exhaust Port | Open |
| Market Indicator | Aftermarket New |
| Maximum Operating Temperature | 200 AdegF (93 AdegC) |
| Minimum Operating Temperature | -40 AdegF (-40 AdegC) |
| Mounting | 7/8-20 UNEF-2A |
| Mounting Nut Included | Yes |
| Pilot Trip Pressure | Not applicable to this part |
| Plunger / Button Height | 1.57 IN |
| Plunger Diameter | A~ .311 IN |
| Rubber Boot Included | No |
| Supply Port | 1/8-27 NPT |
| Trailer Override Pressure | 26 A+- 6 PSI |
| VMRS Code 2 | 013-010-406 |
| VMRS Description 2 | Valve - Trailer Air Supply |
| Country of Origin (Primary) | MX |
| UPC | 04068078319420 |
| VMRS Code | 013010017 |
| Brand | Part Number |
|---|---|
| BW287282N | |
| N/A | 239357N |
| NAVISTAR | BX287282N |
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