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Investors Relations & Haldex information

Full Function Valve

Part no. KN28601
item status Active
Product line Haldex
FF2 - Full Function Trailer Valve
  • Single valve system - easy to install, maintain and troubleshoot.
  • Built-in pressure protection and anti-compounding functions: FMVSS-121 compliant, eliminates broken foundation components caused by compounding of spring brake.
  • Space age engineering grade composites: resists corrosion, lighter and more durable than aluminum.
  • Built-in service and spring brake quick release.
  • Heavy wall mounting nipple is treated to resist corrosion and withstand severe duty applications.
  • Service brake priority ensures air tank pressure is sufficient to stop vehicle when spring brakes are first released.
  • Can be used with single or twin air tanks.
  • Approximate Weight 3 lbs.
Availability - If no Inventory shown, call regional CS
USA 343 standard packs in stock
Canada 5 standard packs in stock
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Cancer and
Reproductive Harm

Technical specs

Crack Pressure 3.0 PSI
Reservoir 1/2"
Control 1/4"
Supply 3/8"
Spring Brake 2 @ 3/8"
Delivery (4) 3/8"
OEM Part Number N4304AB
Approximate Weight 3 lbs.


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