TP-3 Style Tractor Protection Valve

SPECIFICATION:

TRACTOR SERVICE PORT: 3/8" (9.5mm)
TRAILER SERVICE PORT: 1/2" (12.7mm)
TRACTOR EMERGENCY PORT: 1/4" (6.4mm)
TRAILER EMERGENCY PORT: 1/2" (12.7mm)

CROSS REFERENCE:

279000
14030
034068
401228