Weld-On Bung and Cap 1", 1.5", 2" Aluminium, Filler Cap for Surge Tanks, Oil and Coolant Tanks

Weld this bung into your custom tank and you have a proper screw-on filler cap. Great for fuel surge tanks, oil tanks, catch cans, washer bottles and coolant tanks.

• 1", 1.5" or 2" outside diameter
• Weld-on aluminium bung with matching screw cap
• Silver or black cap
• Cap has an o-ring seal

Frequently asked questions

Can I weld this to a steel tank?
No. It is aluminium, so weld it to an aluminium tank with TIG.

Is the cap vented?
No. Fit a separate vent fitting if your tank needs one.

Quality and warranty

• Made in China from aluminium alloy with an anodised finish
• 2-year repair or replacement warranty against defects in materials and workmanship, on top of your rights under Australian Consumer Law
• Sold and backed by Tucks Performance, an Australian-owned business. Not sure what you need? Send us a message

Delivery: ships direct from our supplier partner, usually 10 to 20 days.