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F224708 | EMERGENCY RELAY VALVE | Replace KN30300 | LEV-3635

F224708 | EMERGENCY RELAY VALVE | Replace KN30300 | LEV-3635

SKU: SKU:F224708

Inventory: 17 in stock

Shipping: Calculated at Checkout

Regular price $ 48.93 USD
Regular price Sale price $ 48.93 USD
Sale Sold out
Shipping calculated at checkout.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must meet the conditions established in our Terms & Conditions.

To start a return, use our Contact Form

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Product Data Sheet


Check Specification & Cross-references


  • Part OEM: Haldex KN30300
  • Part: Emergency Relay Valve
  • Supply Ports: (1) 3/4” P.T.
  • Delivery Ports: (4) 1/4” P.T.
  • Service Port: (1) 1/4” P.T.
  • Emergency Supply Port: (1) 1/4” P.T.
  • Opening Pressure: 4.5 PSI
  • Application Info: For use on Pre-121 Trailers, Converter Dollies or Exempt Trailers


  • Automann: 170KN30300
  • Bendix: 281860, 281860N
  • Euclid: EBN281860N
  • Haldex: KN30300, KN30300N
  • International-Navistar: ZZKN30300
  • Mack: 5396-KN30300
  • Meritor: R955281860N
  • PAI: EM36350
  • Wabco: S281672


Dimension Not Available.