PART NO : AB8406                          
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Haldex KN34050 Three-line automatic tractor protection valve with quick release.
Has exhaust snorkel which minimizes in-cab noise by exhausting the trailer lines outside the cab.

TRACTOR CONTROL :  3/8" NPT

TRAILER SERVICE :  1/2" NPT

TRAILER EMER. :  1/2" NPT

DASH VALVE / RESERVOIR :  3/8" NPT

DASH VALVE :  1/4" NPT

CROSS REFERENCES:
KN34050X, KNX34050, N30073GA, N30073EA, N30073FB, 9348990160, 466890C91, 990690C91, N30073, 767653011455
A cross reference listing means that this valve is a suitable replacement for the part numbers listed. Some changes in air line plumbing may be required.