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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
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Fabrication parts and materials provide the raw components needed to build, repair, and modify custom exhaust systems, turbocharger plumbing, intercooler piping, fuel system lines, oil routing, and engine bay heat management on performance and competition vehicles. Stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, pie cuts, flanges, merge collectors, V-band clamps, O2 sensor bungs, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, and welding supplies are the backbone of any serious custom fabrication project. Professional fabricators, race team mechanics, and advanced DIY builders who want full control over exhaust routing, charge pipe layout, or fuel system plumbing choose raw fabrication materials rather than pre-bent kits because custom fabrication allows fitment solutions that no universal kit can accommodate. Brands including Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, and DEI provide th...
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