Description
🔩 Interchange Part Numbers:
✔ World American: WAKN30400
✔ Haldex: KN30400, KN30400RX
✔ Meritor: R955KN30400, R955KN30400N, R955KN30400X
✔ Euclid: E-MDKN30400N, E-MDKN30400X
✔ BWP: M-30400
✔ Dayton Parts: AVKN30400
✔ PAI: 3610, 36100, EM36100, LEV-3610
✔ Navistar: ZZKN30400
✔ Mack: 5396-KN30400
✔ Freightliner: HDXKN30400
✔ S&S Truck Parts: S-9322
✔ Automann: 170.KN30400
✔ Globetech: GTA30400
✔ Power Products: 30400P
✔ Fortpro USA: F224701
Upgrade your vehicle’s brake system with the World American WAKN30400 Emergency Relay Valve, designed in the Midland KN30400 style. This emergency relay valve delivers fast air response to rear brakes in the event of a primary system failure—enhancing safety and braking efficiency in heavy-duty trucks, trailers, and buses.
🚛 Application:
✔ Ideal for heavy-duty truck, tractor, and trailer air brake systems
✔ Provides emergency and service relay functions in dual-circuit systems
🔧 Key Features:
✅ 4-Port Configuration – Compatible with standard dual-line brake systems
✅ 3/4" NPT Reservoir Port & 3/8" Delivery Ports – Universal fit with most air brake setups
✅ Midland-Style Replacement – Direct-fit alternative to OE valves like Haldex KN30400
✅ Quick Response – Improves brake timing and enhances safety in emergency conditions
📅 Compatibility Check:
Match with any of the listed part numbers or consult your vehicle’s brake system specs for confirmation.
🚚 Fast Free Shipping | 1-Year Warranty | Hassle-Free Returns
📦 Order Now to enhance your vehicle’s air brake performance with the reliable WAKN30400 emergency relay valve! 🔧🚚