M12 Vent With Valve Breather Plug for Speed-Shift Gearbox: Some Quick Quesitons will help you order the right parts. Does your products have problems for the oil leakage happened at high speed condition?
Plugs, Stoppers, and Inserts
m12x1.5 White Vent Plug Protective Vents: Breather Plug Thread: M12x1.5-10mm Waterproof, IP66, IP67,IP68 Breatherable Application: Lighting, Solar, Telecom, Automotive,Agriculture. WIFI GPS enclosure.
M40x1.5 Battery Pack Vents: Battery Pack Ex-proof Vavle Thread: M40x1.5 Waterproof, IP66, IP67,IP68,IP69K Breatherable Application: E-car Battery Pack ex-proof Vavle