This Vibrant Performance 1.5in OD weld-on tank bung (MPN: 11288) provides a professional-grade solution for custom fluid reservoirs, catch cans, and fuel cells. Precision-machined from 6061 aluminum, the bung features an updated flange design specifically engineered to resist warping during the TIG welding process, ensuring the threads stay true.

This kit includes a matching threaded cap with a polished aluminum finish for a high-end look on any custom project. To protect the threads and the cap's finish, always remove the threaded cap before welding the bung to your aluminum tank or vessel.

• Material: 6061 Aluminum
• Outside Diameter (OD): 1.5 inch
• Cap Finish: Polished Aluminum
• Manufacturer Part Number: 11288
• Design: Warp-resistant flange for cleaner welding

The Vibrant Performance 3/4" ID Hose Barb Weld Bung is a precision-engineered solution for custom automotive plumbing and fluid management. This fitting is specifically designed to be welded onto mild steel tanks, radiators, or reservoirs, providing a secure and leak-free connection point for standard 3/4" ID hoses.

• Material: High-quality Mild Steel for excellent weldability
• Hose Fitment: 3/4" Inside Diameter (ID)
• Manufacturer Part Number: 11284
• Application: Ideal for custom cooling systems, oil catch cans, and fluid reservoirs

Each bung is precision-machined to ensure a consistent barb profile that grips the hose securely under pressure. These bungs are essential for fabricators looking to add professional-grade barbed outlets to custom-built mild steel components.

Vibrant Performance hose barb weld bungs provide a reliable, professional method for adding secure fluid or air connections to custom-fabricated steel components. This bung is precision-machined from mild steel, ensuring excellent weldability when being integrated into catch cans, expansion tanks, or custom intake setups.

• Manufacturer Part Number: 11283
• Material: Mild Steel
• Hose Compatibility: 5/8" ID (Inside Diameter)
• Connection Type: Hose Barb to Weld-On
• Precision-machined for consistent fitment and leak-free performance

Ideal for automotive plumbing projects where standard threaded fittings aren't practical, these bungs allow for a direct, clean weld onto any mild steel surface to accommodate 5/8" rubber or silicone hoses.

Vibrant Performance hose barb weld bungs offer a professional solution for adding secure hose connections to custom tanks, oil pans, intake piping, or cooling systems. This component is CNC machined to ensure precise tolerances and optimal weldability.

Designed for use with 3/8-inch inner diameter (ID) hoses, the barbed profile provides a reliable gripping surface for hose clamps, making it ideal for low to medium-pressure fluid or air plumbing applications. The mild steel construction allows for easy welding to existing steel components in automotive and industrial projects.

• Material: Mild Steel
• Hose Size: 3/8" ID
• Connection Type: Hose Barb to Weld-On
• Manufacturer Part Number: 11281

The Vibrant Performance 1/4in ID Hose Barbed Weld Bung (MPN 11280) provides a reliable, professional solution for adding a hose connection to custom mild steel fluid tanks, catch cans, or hard lines. Precision-machined for consistent fitment and easier welding, this component is designed specifically for 1/4-inch inside diameter (ID) hoses.

• Material: Mild Steel
• Connection Type: Barb to Weld-On
• Hose Compatibility: 1/4 inch ID
• Application: Custom cooling, oil, fuel, or vacuum systems
• Manufacturer Part Number: 11280

This weld-on barb is ideal for fabricators who need a secure, leak-free plumbing junction for custom automotive plumbing without the use of bulky adapters.

The Vibrant Performance 11273 1/2in NPT Female Weld Bung is a precision-machined component designed for fabricators who need to add a secure threaded port to custom mild steel assemblies. This bung is specifically engineered for welding onto tanks, oil pans, or intake manifolds where a reliable 1/2in NPT connection is required. The 1-1/4in outer diameter provides a substantial base for heat dissipation and a strong weld bead, ensuring a leak-free seal even in high-vibration automotive environments.

• Thread Size: 1/2in NPT (Female)
• Outer Diameter: 1-1/4in
• Material: Mild Steel
• Manufacturer Part Number: 11273
• Ideal for oil return lines, sensor ports, and custom fluid reservoirs
• Provides a clean, professional finish for custom fabrication projects

The Vibrant Performance 3/8" NPT female weld bung (MPN: 11272) provides a professional-grade solution for adding a threaded port to custom automotive components. Precision-machined from mild steel, this bung is designed specifically for ease of welding onto steel surfaces like oil pans, fuel tanks, catch cans, or differential covers.

• Thread Size: 3/8" NPT (Female)
• Outer Diameter: 1" (25.4mm)
• Material: Mild Steel
• Manufacturing: Precision-machined for thread accuracy and consistent wall thickness
• Manufacturer Part Number: 11272

The 1-inch outer diameter provides a substantial surface area for laying a clean, strong weld bead, ensuring a leak-free connection even in high-vibration environments. This component is essential for fabricators building custom fluid or air systems requiring reliable NPT plumbing.

The Vibrant Performance 11271 mild steel female weld bung is designed for fabricators who need to add a clean, threaded port to custom tanks, oil pans, manifolds, or catch cans. Machined for precision, this bung allows for a secure 1/4in NPT plumbing connection on any mild steel surface. The 7/8in outer diameter provides a substantial surface area for a strong, leak-free weld bead.

• Manufacturer Part Number: 11271
• Thread Size: 1/4in NPT Female
• Outer Diameter: 7/8in
• Material: Mild Steel
• Application: Welding to mild steel components for NPT plumbing

The Vibrant Performance 11270 Mild Steel 1/8in NPT Female Weld Bung provides a precise, reliable port for adding sensors, drain plugs, or plumbing fittings to your custom fabrication projects. Designed for superior weldability, this bung is engineered to be welded directly onto mild steel components such as oil pans, fuel tanks, surge tanks, and intake piping.

• Material: High-quality Mild Steel for clean, easy welding to steel substrates.
• Thread Size: 1/8in NPT Female.
• Outer Diameter: 3/4in (19.05mm).
• Manufacturer Part Number: 11270.
• Application: Ideal for installing temperature sensors, pressure sensors, or fluid return lines.

This component is essential for professional fabricators requiring a durable, leak-free connection point in automotive fluid or induction systems.

This Vibrant Performance -10 AN female weld bung provides a professional solution for adding custom plumbing ports to steel tanks, oil pans, or fluid reservoirs. Precision machined from mild steel, this bung is engineered for clean TIG or MIG welding to existing steel components, ensuring a leak-free connection for high-pressure fluid transfer.

• Fitting Size: -10 AN
• Thread Pitch: 7/8"-14
• Material: Mild Steel
• Manufacturer Part Number: 11263
• Application: Welding to steel oil pans, fuel cells, or valve covers

Ideal for custom fabrication in fuel, oil, and coolant systems, this component offers the durability and thread precision required for high-performance automotive environments. The flanged base provides a stable seat for secure welding on both flat and curved surfaces.

This Vibrant Performance -20 AN male flare weld bung (MPN 11256) is engineered for custom automotive plumbing and fabrication. Precision-machined from mild steel, this bung provides a secure, leak-free connection point when welded onto tanks, sumps, oil pans, or custom hard lines. The mild steel construction ensures excellent weldability and durability in demanding fluid systems.

• Manufacturer Part Number: 11256
• Thread Size: -20 AN Male Flare
• Material: Mild Steel
• Flange Outer Diameter: 1-3/4in (1.75")
• Application: Custom fabrication, plumbing, and fluid transfers

The integrated flange simplifies the installation process, providing a stable surface for a clean, consistent weld bead. This component is essential for high-flow systems where a standard adapter cannot be used and a permanent, high-strength fitting is required.

This Vibrant Performance -16 AN male flare weld bung provides a reliable connection point for custom fluid systems. Engineered for durability during fabrication, this component is designed to be welded directly onto steel oil pans, fuel cells, or coolant reservoirs. The raw mild steel construction ensures compatibility with standard TIG or MIG welding processes when bonding to steel substrates.

• Manufacturer Part Number: 11255
• Fitting Size: -16 AN Male Flare
• Flange Outer Diameter: 1-5/8" (1.625")
• Material: Mild Steel
• Application: Ideal for custom plumbing on steel tanks and pans

This Vibrant Performance -12 AN male flare weld bung provides a precise, reliable solution for adding AN plumbing connections to mild steel components. Specifically designed for custom fabrication, this bung is ideal for welding onto oil pans, fuel tanks, catch cans, or radiator reservoirs where a secure -12 AN interface is required.

• Fitting Type: -12 AN Male Flare
• Material: Mild Steel for easy welding to steel substrates
• Flange Outer Diameter: 1-3/8 inch (1.375")
• Precision-machined for consistent thread engagement and flow
• Manufacturer Part Number: 11254

This Vibrant Performance male flare weld bung is a precision-engineered component designed for custom automotive plumbing applications. Crafted from mild steel, this -10 AN bung provides a reliable, high-strength connection point when welded onto steel tanks, oil pans, or custom fluid reservoirs. The 1-1/8 inch flange outer diameter offers a stable surface for consistent bead penetration during the welding process.

• Series: Vibrant Performance Male Weld Bungs
• Fitting Size: -10 AN
• Material: Mild Steel
• Flange Outer Diameter: 1-1/8 inch
• Manufacturer Part Number: 11253
• Precision-machined male flare ensures a leak-free seal with standard AN female fittings.

This Vibrant Performance -8 AN male weld bung provides a reliable plumbing solution for custom fluid transfer systems. Precision-machined from mild steel, it is designed for permanent attachment to steel components such as oil pans, fuel tanks, surge tanks, or radiator end tanks via TIG or MIG welding.

The integrated 1-inch flange outer diameter provides a stable welding surface and helps manage heat soak during the fabrication process to ensure a clean, leak-free finish. This bung allows you to convert any steel tank or hard line into a secure AN flare connection for high-performance fuel, oil, or coolant applications.

• Manufacturer: Vibrant Performance
• Part Number: 11252
• Thread Size: -8 AN
• Material: Mild Steel
• Flange OD: 1.000" (25.4mm)
• Style: Male AN Flare

Vibrant Performance male AN flare weld bungs provide a reliable solution for custom fluid plumbing. Precision-machined from mild steel, this -6 AN bung is designed to be welded onto steel components such as oil pans, fuel tanks, or custom catch cans. The 7/8-inch flange outer diameter provides a stable base for a secure, leak-free weld, while the precision-cut threads ensure a perfect seat for standard AN hose ends.

• Manufacturer Part Number: 11251
• Fitting Size: -6 AN (Male Flare)
• Flange Outer Diameter: 7/8" (22.22mm)
• Material: Mild Steel
• Finish: Raw (Weld-ready)
• Compatibility: Suitable for fuel, oil, and coolant systems

Fabricate custom fluid systems with precision using the Vibrant Performance 11250 -4 AN male weld bung. Engineered for professional-grade fabrication, this male AN flare bung is manufactured from mild steel, making it the ideal choice for welding onto steel oil pans, fuel cells, valve covers, and custom catch tanks.

• Part Number: 11250
• Fitting Size: -4 AN
• Flange Outer Diameter: 3/4in (19.05mm)
• Material: Mild Steel
• Connection: Male AN Flare
• Application: Custom fluid plumbing for oil, fuel, and coolant systems

Each bung features a flanged base to provide a clean welding surface and ensure a secure, leak-free union with your custom-fabricated components.

Vibrant Performance hex head oxygen (O2) sensor bung plugs are the professional solution for sealing unused O2 sensor bungs in exhaust systems. These plugs are essential when a sensor is removed for tuning or during custom fabrication when a bung is installed for future use but needs to be capped immediately.

Constructed from zinc-plated mild steel, these plugs are engineered to endure the extreme thermal expansion and contraction of an exhaust system. The zinc plating provides a critical layer of corrosion resistance and helps prevent thread galling during intense heat cycles, ensuring the threads remain clean and functional for future sensor installation.

• Thread Pitch: M18 x 1.5
• Material: Zinc-Plated Mild Steel
• Head Style: Hex Head Bolt
• Quantity: Bulk Pack of 100 Pieces
• Manufacturer Part Number: 11195

Vibrant Performance Standard Oxygen Sensor Weld Bungs are designed for professional exhaust fabrication and custom manifold construction. These bungs provide a secure, leak-free mounting point for standard O2 sensors or wideband air/fuel ratio (AFR) sensors. Built for high-volume shops and manufacturing, this bulk pack provides consistent quality for large-scale projects.

Constructed from premium T304 stainless steel, these weld-on bungs offer excellent corrosion resistance and superior weldability, ensuring they withstand the extreme heat cycles of a high-performance exhaust system. The M18 x 1.5 thread pitch is the industry standard for the vast majority of automotive oxygen sensors.

• Material: T304 Stainless Steel
• Thread Pitch: M18 x 1.5
• Quantity: Bulk Pack of 100 pieces
• Part Number: 11194

Vibrant Performance saddle-style oxygen sensor weld bungs are engineered for custom exhaust fabrication, providing a secure mounting point for O2 sensors. Manufactured from T304 stainless steel, these bungs offer superior corrosion resistance and durability in high-heat environments. The radius profile (saddle style) allows the bung to sit flush against round exhaust tubing, ensuring a cleaner, more uniform weld and a reliable seal.

• Material: T304 Stainless Steel
• Thread Size: M18 x 1.5
• Design: Saddle style / radius profile for curved tubing
• Quantity: Bulk pack of 5 pieces
• Part Number: 11188

The Vibrant Performance 11184 aluminum barbed weld-on bung provides a reliable, leak-free connection for 3/4 inch ID hoses in custom automotive plumbing applications. Designed for fabrication on aluminum fluid tanks, radiators, or catch cans, this bung ensures a secure grip for standard rubber or silicone hoses.

• Material: Aluminum
• Connection Type: Barbed hose end
• Compatibility: Fits 3/4-inch ID hose
• Installation: Weld-on application
• Manufacturer Part Number: 11184

This Vibrant Performance barbed weld-on bung is engineered to provide a secure, leak-free connection for 5/8" ID hoses in custom automotive plumbing applications. Ideal for fabrication projects involving oil pans, catch cans, expansion tanks, or intake pipes, these bungs are precision-machined to ensure consistent wall thickness and optimal weldability.

• Hose Compatibility: 5/8" (15.8mm) Internal Diameter (ID)
• Connection Type: Barbed end with a weld-on base
• Application: Universal plumbing, cooling, and breather systems
• Manufacturer Part Number: 11183

Whether you are plumbing a custom cooling system or an oil vapor recovery setup, these weld bungs allow for professional-grade integration of rubber or silicone hoses into any compatible metal component. Available in both aluminum and mild steel versions for diverse fabrication requirements.

The Vibrant Performance 11182 Barbed Weld-On Bung provides a professional-grade plumbing solution for custom fluid systems. Precision-machined from 6061 aluminum, this bung is engineered for fabrication projects requiring a permanent, leak-free connection point on aluminum tanks, catch cans, radiators, or oil pans.

• Material: High-quality 6061 Aluminum for superior weldability and corrosion resistance
• Hose Compatibility: Designed specifically for 1/2" ID (Inside Diameter) rubber or silicone hoses
• Installation: Weld-on design for secure integration into custom aluminum assemblies
• Manufacturer Part Number: 11182

Ideal for performance automotive applications, these barbed bungs eliminate the need for bulky adapters, offering a clean and lightweight hose connection directly to your fabricated components.

This Vibrant Performance barbed weld-on bung provides a professional-grade solution for plumbing 3/8" ID lines into custom fabricated components. Precision-machined from 6061 aluminum, this bung is designed to be welded directly onto aluminum tanks, radiators, or intake manifolds to create a secure, leak-free connection point.

• Material: 6061 Aluminum
• Hose Compatibility: 3/8" (9.5mm) Inner Diameter (ID)
• Mounting Style: Weld-on
• Manufacturer Part Number: 11181

The integrated barb ensures a high-traction surface for various hose materials, making it suitable for fuel, oil, vacuum, or cooling system applications where a reliable fluid or air path is required. Its compact profile allows for installation in tight engine bay configurations.

The Vibrant Performance 11180 Barbed Weld-On Bung provides a secure, leak-free connection point for custom fabrication projects. Precision machined from 6061 aluminum, this bung is designed to be welded directly onto aluminum tanks, manifolds, or valve covers, allowing for the reliable attachment of flexible hoses.

• Material: 6061 Aluminum for superior weldability and corrosion resistance.
• Hose Compatibility: Sized for 1/4-inch (6.35mm) internal diameter (ID) hoses.
• Barb Design: Features a high-retention barb profile to prevent hose slippage and ensure a tight seal under pressure.
• Manufacturer Part Number: 11180

Ideal for plumbing vacuum lines, coolant overflow tanks, catch cans, and other custom fluid or air systems, these bungs provide a professional finish and dependable performance in high-demand automotive environments.

Vibrant Performance female NPT weld bungs are precision-machined components designed for custom automotive fabrication. This aluminum bung allows you to add a secure 3/4-inch NPT threaded port to fuel cells, catch cans, oil pans, or coolant reservoirs. The 1-3/8-inch outer diameter provides a substantial surface area for a clean, strong weld, ensuring a leak-free connection for sensors, drain plugs, or plumbing adapters.

• Part Type: Female NPT Weld-On Bung
• Thread Size: 3/4" NPT
• Outer Diameter: 1-3/8"
• Material: Aluminum
• Manufacturer Part Number: 11174
• Application: Ideal for fuel cells, catch cans, and custom fluid reservoirs

The Vibrant Performance 11173 1/2in NPT Female Weld Bung is designed for fabricators who need to add a precise threaded port to aluminum components. These bungs are precision-machined to provide clean threads and a consistent fit for NPT fittings, sensors, or drain plugs.

Constructed from aluminum for excellent weldability, this bung features a 1-1/4in outer diameter that offers a substantial surface area for a strong, leak-free TIG weld. It is a reliable solution for custom oil pans, fuel cells, radiators, and intake manifolds where a secure 1/2in NPT connection is required.

• Manufacturer Part Number: 11173
• Thread Size: 1/2in NPT (Female)
• Outer Diameter: 1-1/4in
• Material: Aluminum
• Connection Type: Female Threaded Weld-On

This Vibrant Performance female weld bung allows for the professional integration of NPT ports into custom aluminum components. Ideal for fuel tanks, oil pans, surge tanks, and intake manifolds, this bung provides a secure, leak-free mounting point for sensors, drain plugs, or plumbing fittings. Precision-machined for consistent thread engagement, it simplifies the fabrication process by providing a weldable surface designed for clean, permanent installation.

• Manufacturer Part Number: 11172
• Thread Specification: 3/8" NPT (Female)
• Outer Diameter: 1 inch
• Material: Aluminum
• Installation: Weld-on application

The Vibrant Performance 11171 female NPT weld bung provides a reliable, precision-machined connection point for custom fluid or air systems. This component is designed for fabrication projects where a secure 1/4" NPT port must be added to an aluminum tank, reservoir, or intake pipe.

• Manufacturer Part Number: 11171
• Internal Thread: 1/4" NPT
• Outer Diameter: 7/8"
• Material: Aluminum
• Applications: Custom fuel tanks, oil pans, catch cans, and coolant expansion tanks

The Vibrant Performance 1/8in NPT female weld bung (MPN: 11170) provides a precision-machined solution for adding a threaded port to aluminum components. Designed specifically for fabrication, this bung is ideal for installing sensors, vacuum fittings, or drains into custom aluminum tanks, radiators, and intake piping.

Machined from high-quality aluminum for excellent weldability, the bung features a 3/4in outer diameter that offers a substantial surface area for a clean, secure weld. The internal 1/8in NPT threads are cut to precise tolerances to ensure a leak-free connection with standard fittings.

• Thread Size: 1/8in NPT (Female)
• Outer Diameter: 3/4in
• Material: Aluminum
• Manufacturer Part Number: 11170