Trailer Valve Part no. KN26020

$69.99
By Haldex

RT4 Multi-Function
  • Meets all FMVSS-121 trailer requirements for spring brake control and other regulations from October 1992 to present..
  • Interchangeable with competitive units.
  • Used on trailers to control both parking and emergency brake functions.
  • Controls reservoir charging.
  • Applies emergency (parking) brakes upon loss of trailer supply (emergency) line pressure.
  • Approximate Weight 4.5 lbs.

Notes

  1. Trailer Control Port is over Reservoir Port A.
  2. Repair Kit use part number RN10JM.
WARNING
Cancer and reproductive harm www.p65warnings.ca.gov
Technical specifications
Trailer Supply (A)
Plugged
Trailer Supply (B)
3/8"
Trailer Control
3/8"
Reservoir (A)
1/2"
Reservoir (B)
3/8"
Delivery (4)
3/8"
PPV Closing Pressure
70 PSI
OEM Part Number
N4305A
Approximate Weight
4.5 lbs.