Fabricate a professional diesel or leaded petrol fuel filler on your custom tray, tank, or pipe with this steel weld-in threaded insert, complete with an integrated breather tube for proper tank venting.
Designed to accept standard SAE J1114 screw-in fuel caps, this heavy-duty insert welds flush into your panel or filler pipe for a clean, factory-style installation.
Key Specifications:
Thread Standard: SAE J1114 (suits common threaded diesel/leaded petrol caps)
Fuel Filler Neck Insert:
- Body OD: 48mm
- Rim/Flange OD: 59.3mm
- Length: 33mm
Integrated Breather Tube:
- OD: 16mm
- Overall length: ~100mm (route to suitable vent location)
Robust steel construction – ready for welding, painting, or powder coating
Compatibility Note:
- Suitable for Diesel and Leaded Petrol/Gasoline applications
- Not suitable for unleaded petrol vehicles
Trade & bulk orders welcome. Call (07) 4662 5424 for pricing and availability.





