Vented Diesel Transfer Tank Cap With Threaded Neck And Two Inch Base For Easy Fuel Venting Gas Fill Lid For Diesel Transfer Auxiliary Storage Or Truck Toolbox Use Durable Two Inch NPT Bung Fit
✔️ Pack 1: Heavy-duty vented diesel cap with lockable vent
This vented diesel transfer tank cap is designed to fit standard 2 inch NPT threaded tank bungs, making it a practical upgrade for portable fuel tanks, transfer tanks, and toolbox fuel storage found on trucks, farms, and work sites.
✅ Fits standard 2 inch NPT bung base for transfer tanks and diesel tanks
✅ Dual-direction venting prevents vapor buildup and vacuum collapse
✅ Lock hole accepts a padlock for added security (padlock not included)
✅ Spring-loaded seal and gasket reduce leaks and gas venting on the road
✅ Easy to use: align notch, push, twist to seal; reverse to vent
✅ Heavy-duty cast iron base; waterproof and corrosion resistant
💡 What is a vented diesel transfer cap used for in fuel tanks?
This handy cap helps vent pressure and prevent vapor buildup while keeping fuel secure in various tanks.
- It fits standard 2 inch NPT bung bases on transfer tanks and toolbox storage
- Two-way venting reduces vapor pressure and vacuum formation
- Lock-ready design accepts a padlock to deter theft and tampering
- Durable waterproof and corrosion-resistant construction