Haldex valves are manufactured with superior components, precise processes and exacting quality standards, making Haldex the choose supplier when it comes to a Genuine products vs imitation.
- FF2 - Full Function Trailer Valve, Single valve system - easy to install, maintain and troubleshoot. Built-in pressure protection and anti-compounding functions.
- Heavy wall mounting nipple is treated to resist corrosion and withstands severe duty applications. Service brake priority ensures air tank pressure is sufficient to stop vehicle when spring brakes are first released.
- Space age engineering grade composites: resists corrosion, lighter and more durable than aluminum. Built-in service and spring brake quick release. FMVSS-121 compliant. Can be used with single or twin air tanks.
- Haldex valves are manufactured with superior components, precise processes and exacting quality standards, making Haldex the choose supplier when it comes to a Genuine products vs imitation.
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Reservoir Port
0.75 IN
Supply Port
0.375 IN
Prop 65 Short Warning
Cancer & reproductive
Control Port
0.25 IN
Spring Brake
2 @ .375 IN
OEM Part Number
N4304AC
Crack Pressure
3.0 PSI
Prop 65
Y