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SKU: 11273 | UPC: 690092191290
Vibrant 1/2in NPT Female Weld Bung (1-1/4in OD) - Mild Steel
Vibrant Performance weld bungs deliver a secure threaded connection for custom automotive projects. This mild steel 1/2in NPT female bung with 1-1/4in outer diameter suits aluminum radiators oil pans and tank fabrication. It creates reliable plumbing fittings for performance builds requiring precise customization.
Key Features
- Thread Size: 1/2in -14 NPT female threads match standard hose fittings pipes and sensors for leak-free connections
- Outer Diameter: 1-1/4in OD fits 1-1/4in tubing or drilled holes enabling clean welds on tight spaces
- Material: Mild steel build resists corrosion in oil coolant applications and welds easily with TIG MIG methods
- Inner Diameter: 0.840in ID allows smooth flow without restrictions in fluid transfer lines
- Overall Length: 1.500in provides deep thread engagement for maximum holding strength under pressure
Product Notes
- Grind weld area clean for strongest bond during installation
- Coat threads with sealant for high-pressure plumbing setups
- Packaged to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Tack weld first then fully fuse for distortion-free results
- Drill 0.840in hole for flush bung seating
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All Makes | Custom Fabrication | All |
Why Choose Vibrant Performance?
- Established leader in fabrication hardware for racers builders
- Machined tolerances ensure consistent performance fit
- Backed by decades of motorsport engineering expertise
Frequently Asked Questions
-
Q: What hole size for welding this bung?
A: Use 0.840in drill bit to match inner diameter for precise alignment and full weld contact -
Q: Can this handle coolant or oil fluids?
A: Yes mild steel suits coolant oil plumbing with proper sealing resists typical automotive pressures -
Q: Does Vibrant offer warranty on weld bungs?
A: Covered under manufacturer defect policy contact support with proof of purchase for claims
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Protective sleeve 2in x 2in x 2in
- Weight: 0.05 lbs
Bungs
Bungs parts and accessories are stocked at Black Ops Auto Works for street builds, track cars, trucks, and custom fabrication. Shop O2 sensor bungs, wideband bungs, AN weld bungs, coolant bungs, oil pressure ports, threaded bungs, stand-off bungs, weld fittings, sensor plugs, tube bungs, frame plugs, and fabrication hardware with application details for the systems and platforms that need them. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 123 Bungs SKUs across sensor ports, fluid fittings, exhaust hardware, threaded fabrication parts, and installation accessories. What This Bungs Collection Covers Bungs are weld-on or threaded foundation pieces for custom exhaust, fuel, coolant, oil, intake, chassis, and gauge work. This broad selection includes stainless steel O2 bungs, titanium AN bungs, aluminum stand-off bungs, threaded plugs, sensor ports, and weld fittings for fabricato...
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Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
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Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
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