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The Haldex Tractor Protection Valve manages the tractor-to-trailer air connection in the tractor protection portion of the air-brake system. Its pneumatic function separates it from relay, quick-release, and inversion valves that control air differently elsewhere in the brake circuit. The Haldex KN34127 provides tractor-protection control for this air-brake setup. You can identify the correct valve by its place in the tractor-trailer supply circuit before confirming the port arrangement on the unit being replaced.
| Freight Class | 70 |
| Core Group | - |
| Warranty Distance | 100000 |
| Warranty Distance UOM | DH |
| UPC | 00767653365046 |
| VMRS Code | 013010016 |
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