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SKU: 11256 | UPC: 690092191191
Vibrant -20 AN Male Weld Bung (1-3/4in Flange OD) - Mild Steel
Vibrant Performance 11256 weld bung delivers secure -20 AN male connections for custom automotive fabrication. Install on aluminum radiators oil pans or tanks for leak-free plumbing in fuel oil or coolant lines. Handles high-pressure demands in performance builds with easy welding.
Key Features
- -20 AN Male Thread: Matches standard AN hose ends for unrestricted high-flow fluid transfer
- 1-3/4in Flange OD: Wide weld surface ensures rock-solid attachment to flat panels or tank walls
- Mild Steel Build: Strong weldable material resists corrosion in demanding engine bay conditions
- Bare Natural Finish: Ready for paint powder coat or plating to integrate with any custom project
- Compact Dimensions: 1.75in x 1.75in x 1.38in design fits tight spaces without compromising strength
Product Notes
- Drill 1-3/8in hole for precise shank fit before welding
- Coat after welding for long-term protection in exposed areas
- Packs in protective sleeve for damage-free delivery
Installation Notes
- Professional installation recommended.
- TIG weld preferred for aluminum surfaces like radiator tanks
- Threads directly into -20 AN female fittings and adapters
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Fabrication | Radiators, Oil Pans, Tanks |
Why Choose Vibrant?
- Proven in racing exhaust and plumbing components
- Machined to tight tolerances for consistent performance
- Built for real-world fabrication durability
Frequently Asked Questions
-
Q: What hole size fits this bung?
A: Use a 1-3/8in diameter hole to match the shank. verify with calipers for snug fit -
Q: Can it weld to aluminum?
A: Yes TIG welding works well on aluminum radiators or tanks with correct filler rod -
Q: What warranty applies?
A: Covered by Vibrant Performance limited lifetime warranty against defects
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Individual protective sleeve approx 2 x 2 x 2 inches
- 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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