The Bendix Tractor Protection Valve TP-3, part number 279000N, is a genuine Bendix brake system valve designed to protect the tractor air supply when a trailer breaks away or loses air pressure. This valve is sold individually and cross-references several numbers including 279000, 279000R, 279000BXR, 279000BXW, 280858, 3502367, 3507144, AV279000, 25K0645, BBH-RB279000, and BW 279000. Call us to confirm proper fit for your specific application.A factory handling fee of $20.00 per unit is added at checkout.FeaturesGenuine Bendix Tractor Protection Valve TP-3Part number 279000NSold individually (each)Cross-references: 279000, 279000R, 279000BXR, 279000BXW, 280858, 3502367, 3507144, AV279000, 25K0645, BBH-RB279000, BW 279000VMRS Category: 013010016Tech SpecsCross References: 279000, 279000R, 279000BXR, 279000BXW, 280858, 3502367, 3507144, AV279000, 25K0645, BBH-RB279000, BW 279000VMRS Category: 013010016Sold as: Each