Description:
Prevent fuel tank vacuum collapse, control internal vapor pressure buildup, and protect heavy-duty fuel delivery systems with the Genuine GT Development 1/4" NPT Fuel Tank Vent Valve (139-3 / 1393). Engineered for commercial trucks, vocational rigs, and industrial equipment, this high-performance safety vent threads directly into 1/4" NPT fuel tank bungs.
Features:
Brand: Genuine GT Development / Norgren
MPN: 139-3 / 1393 / GTD139-3
Product Type: Commercial Heavy-Duty Fuel Tank Pressure Relief & Rollover Vent Valve
Port / Thread Size: 1/4" NPT Male Pipe Thread
Functional Type: Dual-Action Pressure & Vacuum Relief with Gravity Rollover Shutoff
Body Material: Heavy-Duty Machined Brass
Pressure Relief Setting: Nominal 1.5–2.0 PSI Relief
Vacuum Relief Setting: Nominal 0.5 PSI
Vehicle & Equipment Compatibility: Commercial Class 7 & 8 Trucks (Kenworth, Peterbilt, Freightliner, International, Volvo, Mack), Vocational Rigs, and Industrial Equipment
Origin: Genuine OEM Product
Cross Reference: 139-3, 1393, GTD139-3, GTD-139-3, 139-3-GTD, S-21915, 100095N, X002298, 2104-1393, AV139-3
Part# : 139-3Brand: GT Development
