Skip to product information
1 of 7


F224671 | PRESSURE PROTECTION VALVE | Replace KN31000 | 20QE2128 | 802632

F224671 | PRESSURE PROTECTION VALVE | Replace KN31000 | 20QE2128 | 802632

SKU: SKU:F224671

Out of stock

Shipping: Calculated at Checkout

Regular price $ 21.62 USD
Regular price Sale price $ 21.62 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

View full details


Product Data Sheet


Check Specification & Cross-references


  • Part OEM: Haldex KN31001
  • Part: PR-4 Type Pressure Protection Valve
  • Supply Port: (1) 1/4” P.T.
  • Delivery Port: (1) 1/4” P.T.
  • Open: 65 PSI
  • Closed: 45 PSI
  • Material: Die Cast Zinc
  • Notes: This valve is designed to preserve enough air for braking in case of a breakaway or an important leak


  • Automann: 170.KN31000
  • Bendix: 277146
  • Haldex: KN31001
  • International-Navistar: 356596C91
  • Mack: 20QE2128
  • Meritor: R90555396
  • PAI: EM36850


Dimension Not Available.