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Tractors that pull trailers are the setting for the Bendix Tractor Protection Valve, which separates the tractor's air system from the trailer's. If trailer air pressure drops sharply, the valve closes the trailer supply and control lines so the tractor keeps its own braking air. Replacing it when it leaks at the exhaust restores that separation. Testing shutoff of the Bendix 288605N during each annual inspection confirms it will close when needed.
| Auxiliary Supply Port | Not applicable to this part |
| Exhaust Port | Dust Shield |
| Market Indicator | Aftermarket New |
| Maximum Operating Temperature | 200 AdegF (93 AdegC) |
| Minimum Operating Temperature | -40 AdegF (-40 AdegC) |
| Mounting | 5/16-18 UNC-2B with .62 MIN full thread (8x) |
| Mounting Type | Cab / Chassis |
| Service Line Opening Pressure | 50 PSI (MAX) |
| Service Line Shut-Off Pressure | 10 PSI (MIN) |
| Stop Light Switch Port | 1/4-18 NPT |
| Stop Light Switch Port (Firewall) | Not applicable to this part |
| Tractor Control Port (Primary) | 3/8-18 NPT |
| Tractor Control Port (Secondary) | 3/8-18 NPT |
| Tractor Protection Port | 3/8-18 NPT |
| Tractor Protection Port (Firewall) | Not applicable to this part |
| Tractor Service Port | Not applicable to this part |
| Trailer Control Port | 3/8-18 NPT |
| Trailer Service Port | 1/2-14 NPT |
| Trailer Service Quick Release | Yes |
| Trailer Supply Port | 1/2-14 NPT |
| Trailer Supply Quick Release | Not applicable to this part |
| Vent | Yes |
| Country of Origin (Primary) | MX |
| UPC | 07894294761401 |
| VMRS Code | 013010016 |
| Brand | Part Number |
|---|---|
| BW288605N | |
| MERITOR | R955288605N |
| N/A | 288605R |
| NAVISTAR | BX288605N |
| WORLD AMERICAN | WA288605 |
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