The Vibrant Performance 11166 female weld bung provides a reliable, professional-grade solution for custom automotive plumbing. Engineered for fabrication on aluminum components, this -20AN bung allows you to add secure, leak-free fluid ports to oil pans, fuel cells, expansion tanks, and custom radiator tanks. Each bung is CNC-machined for precise thread engagement and a clean welding surface.

• Material: Weldable Aluminum
• Fitting Size: -20AN
• Thread Pitch: 1-5/8"-12
• Connection Type: Female JIC/AN
• Application: Weld-on port for aluminum fluid containment systems
• Manufacturer Part Number: 11166

This component is essential for fabricators requiring consistent material purity for clean TIG welding and high-pressure fluid reliability in demanding performance environments.

This Vibrant Performance -16 AN female weld bung is a precision-machined component designed for high-performance automotive plumbing. It allows fabricators to add a secure -16 AN port to aluminum components, making it ideal for custom oil pans, fuel cells, surge tanks, and radiator modifications.

• Manufacturer Part Number: 11165
• Fitting Size: -16 AN
• Thread Specification: 1-5/16in -12
• Material: Aluminum
• Attachment Style: Weld-on female bung

Each bung is engineered to provide a clean welding surface and a reliable, leak-free seal when paired with standard AN fittings. This part is essential for custom builds requiring robust fluid transfer points in cooling, fueling, or lubrication systems.

This Vibrant Performance -12 AN female weld-on bung is designed for fabricators building custom fluid reservoirs, oil pans, fuel cells, or valve covers. Manufactured from high-quality aluminum, it provides a secure, leak-free connection point for AN plumbing systems and is engineered to withstand high-pressure automotive applications.

• Material: Weldable 6061 Aluminum
• Fitting Size: -12 AN (Female)
• Thread Pitch: 1-1/16" - 12 Thread
• Part Number: 11164

Precision-machined for consistent fitment and easy welding, this bung allows you to convert any aluminum surface into a professional-grade fluid port. Whether you are plumbing an oil catch can or a custom coolant expansion tank, this component ensures a clean transition to AN lines.

The Vibrant Performance -8 AN Female Weld Bung is engineered for custom fabrication projects where a reliable, threaded port is required on aluminum tanks, sumps, or fuel rails. Precision-machined from high-quality aluminum, this bung provides a secure interface for standard AN plumbing fittings in high-performance fluid systems.

Designed with a flanged base to facilitate a cleaner weld and better heat distribution during the TIG welding process, this fitting is essential for building custom oil catch cans, coolant expansion tanks, and fuel cells. Its -8 AN sizing makes it an ideal choice for mid-to-high flow oil and fuel applications.

• Part Type: Female AN Weld Bung
• Fitting Size: -8 AN
• Thread Pitch: 3/4"-16
• Material: Aluminum
• Installation Method: Weld-on
• Manufacturer Part Number: 11162

This Vibrant Performance female weld bung is a precision-machined solution for adding high-pressure fluid ports to aluminum tanks, radiators, oil pans, and custom catch cans. Designed for ease of installation during fabrication, the wide welding surface ensures a strong, leak-free bond to the host component.

• Brand: Vibrant Performance
• Part Number: 11161
• Fitting Size: -6 AN
• Thread Size: 9/16in -18
• Material: Aluminum
• Connection Type: Internal (Female) Thread
• Ideal for custom fuel, oil, and coolant system plumbing

Vibrant Performance 11160 female weld bungs provide a reliable, professional solution for adding custom -4 AN ports to aluminum fluid systems. These bungs are precision-machined to ensure accurate thread engagement and a clean welding surface for fabrication projects involving fuel cells, oil pans, valve covers, or catch cans.

• Manufacturer Part Number: 11160
• Fitting Size: -4 AN
• Thread: 7/16"-20 Female
• Material: Aluminum
• Installation: Weld-on design for custom plumbing applications

The stepped shoulder design allows for precise positioning and seating within a pre-drilled hole, ensuring a stable foundation for a leak-free weld on any compatible aluminum reservoir or component.

Fabricate custom fluid reservoirs and plumbing systems with this Vibrant Performance -20 AN male flare weld bung. Designed for high-flow applications, this bung is manufactured from lightweight aluminum to provide a reliable, leak-free connection for oil pans, fuel cells, radiators, and catch cans. The 1-3/4 inch flange outer diameter (OD) offers a stable surface for consistent welding onto aluminum components.

As part of the Vibrant Performance line of weld-on fittings, this component ensures precise fitment with any standard -20 AN female fitting. It is an essential part for professional fabricators and DIY builders looking to adapt hard-mounted tanks to AN-style braided or hard lines.

• Brand: Vibrant Performance
• Part Number: 11156
• Thread Size: -20 AN Male
• Flange Size: 1-3/4 inch OD
• Material: Aluminum
• Connection Type: Weld-on Flare

The Vibrant Performance -12 AN Male Flare Weld Bung (MPN 11154) is a precision-machined component designed for custom fabrication within automotive fluid systems. This aluminum bung features a 1-3/8" flange outer diameter, providing a stable and consistent surface for TIG welding onto aluminum tanks, radiators, oil pans, or fuel cells.

• Fitting Size: -12 AN Male Flare
• Flange OD: 1-3/8" (34.9mm)
• Material: Aluminum
• Manufacturer Part Number: 11154

Engineered to ensure a reliable, leak-free seal when paired with matching AN hose ends, this weld bung is a staple for professional fabricators building bespoke plumbing solutions. The high-quality aluminum construction ensures excellent weldability and long-term durability in high-performance environments.

The Vibrant Performance 11153 male weld-on bung is designed for professional-grade custom plumbing applications. Precision-machined from high-quality aluminum, this fitting provides a reliable -10 AN flare connection for fuel cells, oil pans, coolant tanks, and catch cans. The 1-1/8 inch (1.125") flange outer diameter ensures a stable base and ample surface area for a clean TIG weld on aluminum components.

• Part Type: Male AN Flare Weld Bung
• Fitting Size: -10 AN
• Flange Outer Diameter: 1-1/8" (1.125")
• Material: Aluminum
• Connection Type: Male Flare
• Manufacturer Part Number: 11153

The Vibrant Performance -8 AN male weld bung (MPN 11152) provides a professional-grade solution for plumbing custom fluid systems. Precision-machined from high-quality aluminum, this bung is designed to be TIG-welded onto aluminum components such as fuel cells, oil pans, catch cans, or valve covers to create a secure, leak-free AN flare connection.

The 1-inch flange outer diameter offers a stable base and ample surface area for a clean weld bead, ensuring structural integrity under pressure. Whether you are fabricating a custom cooling system or a high-flow fuel setup, this bung provides the exact tolerances required for high-performance automotive applications.

• Manufacturer Part Number: 11152
• Thread Size: -8 AN Male
• Flange Outer Diameter: 1.000"
• Material: Aluminum
• Style: Weld-on Flanged Bung

Fabricate custom fluid tanks, catch cans, or fuel cells with precision using the Vibrant Performance -6 AN Male Flare Weld Bung. This component provides a reliable, leak-free connection point for -6 AN fluid lines on aluminum assemblies.

Precision-machined from high-quality aluminum, this weld bung (MPN 11151) features a 7/8" (0.875") flange outer diameter, providing the necessary surface area for a clean, structural weld. The male AN flare profile is engineered for a tight seal with standard -6 AN hose ends and fittings, making it a staple for custom fuel systems, oiling setups, and cooling system modifications.

• Manufacturer Part Number: 11151
• Fitting Size: -6 AN Male Flare
• Flange Outer Diameter: 7/8" (0.875")
• Material: Aluminum
• Application: Weld-on fitting for custom aluminum plumbing

Fabricate custom fluid reservoirs, catch cans, or oil pans with the Vibrant Performance -4 AN Male Flare Weld Bung. This precision-machined component allows for a seamless, leak-free transition from a welded surface to standard AN plumbing, ensuring a professional finish on any high-performance plumbing project.

The bung features a 3/4-inch flange outer diameter, providing a stable base for TIG welding onto aluminum tanks or components. Its lightweight aluminum construction is optimized for fuel, oil, and coolant systems where weight reduction and corrosion resistance are critical.

• Manufacturer Part Number: 11150
• Thread Size: -4 AN Male Flare
• Flange Outer Diameter: 0.750" (3/4in)
• Material: Aluminum
• Connection Type: Weld-on

Vibrant Performance Standard Oxygen Sensor Weld Bungs provide a professional solution for adding O2 sensor mounting points to any custom exhaust system. These bungs are precision machined from mild steel, ensuring excellent weldability when pairing with mild steel exhaust tubing, headers, or downpipes.

• Material: Mild Steel
• Thread Pitch: M18 x 1.5 (Standard O2 sensor size)
• Quantity: 100 pieces (Bulk Pack)
• Application: Universal weld-on for air/fuel ratio sensors and data logging
• Part Number: 11104

The M18 x 1.5 thread is the industry standard for almost all factory and aftermarket wideband and narrowband oxygen sensors. This bulk pack is specifically packaged for high-volume fabrication shops and exhaust manufacturers requiring consistent quality and fitment for every build.

Vibrant Performance 11103 Standard Oxygen Sensor Weld Bungs are an essential component for custom exhaust fabrication, turbo manifold construction, and downpipe projects. These bungs provide a reliable mounting point for standard oxygen sensors or wideband air/fuel ratio sensors, ensuring accurate exhaust gas monitoring.

Constructed from mild steel, these bungs are specifically designed for easy welding to mild steel or aluminized exhaust tubing. The M18 x 1.5 thread is the industry standard for the vast majority of OE and aftermarket O2 sensors, providing a precise fit and easy installation.

• Material: Mild Steel
• Thread Pitch: M18 x 1.5
• Configuration: Standard Weld Bung
• Quantity: Bulk pack of 5 pieces
• Manufacturer Part Number: 11103

Protect your sensitive wideband electronics from extreme exhaust heat with the Vibrant Performance 10419 Heat Sink Oxygen Sensor Weld Bung. Specifically engineered for use with the Bosch LSU 4.9 sensor, this bung features an optimized finned surface area to maximize convective cooling. By dissipating heat more efficiently, it delivers up to 30% cooler sensor temperatures compared to a standard bung, effectively preventing premature sensor failure in high-performance or forced induction applications.

• Precision Fitment: Designed exclusively for the Bosch LSU 4.9 Oxygen Sensor.
• Advanced Cooling: Finned surface improves convective cooling to reduce sensor heat by up to 30%.
• Premium Construction: Manufactured from T304 Stainless Steel for superior corrosion resistance and durability.
• Easy Installation: Features a coped design to simplify welding onto exhaust tubing.
• Specifications: M18 x 1.5 thread pitch; MPN 10419.

The Vibrant Performance Hex Head Oxygen Sensor Bung Plug is an essential component for sealing unused O2 sensor bungs in your exhaust system. Designed for durability and ease of use, this plug ensures a secure, leak-free seal when a sensor is not installed.

• Material: Manufactured from mild steel to provide a robust and reliable fit within high-heat environments.
• Finish: Zinc plating offers superior corrosion resistance and helps prevent thread damage or galling during the extreme hot and cold heat cycles of the exhaust system.
• Installation: Features a standard hex head design, allowing for straightforward installation and removal with common wrenches or sockets.
• Quantity: Sold individually (Single).
• Manufacturer Part Number: 10408

The Ticon Industries Chill Block M18 O2 Bung (MPN: 903-75018-1001) is a specialized fabrication tool designed to maintain thread integrity during the exhaust welding process. When welding an O2 bung into a downpipe or header, the intense heat can often lead to thread warping or distortion. This chill block acts as a dedicated heat sink, drawing thermal energy away from the bung to ensure the threads remain true.

By threading this tool into your M18x1.5 bung before you begin your TIG or MIG weld, you effectively eliminate the need for post-weld thread chasing. It provides a massive thermal mass that prevents the bung from egging or shrinking, ensuring your oxygen sensor threads in smoothly every time.

• Precision Heat Management: Dissipates heat during welding to prevent bung distortion.
• Thread Protection: Safeguards M18x1.5 internal threads from weld spatter and thermal warping.
• Professional Efficiency: Eliminates the need to clean or tap threads after fabrication.
• Universal Shop Tool: Designed for use with standard M18x1.5 oxygen sensor bungs.
• Manufacturer Part Number: 903-75018-1001

Securely seal unused oxygen sensor ports with this Ticon Industries Titanium M12x1.25mm O2 Sensor Bung Plug. Engineered for high-performance exhaust systems, this plug is precision-machined from titanium to provide a lightweight, high-strength solution that resists corrosion and seizing in extreme heat environments.

• Thread Pitch: M12x1.25mm
• Material: High-quality Titanium construction
• Corrosion-resistant and durable in high-heat exhaust applications
• Ideal for sealing off secondary sensor bungs or tuning ports
• Manufacturer Part Number: 108-00700-0000

The Ticon Industries Titanium M18x1.5mm O2 Sensor Bung Plug is a precision-engineered solution for sealing unused oxygen sensor ports in high-performance exhaust systems. Fabricated from lightweight and corrosion-resistant titanium, this plug is ideal for motorsport applications where weight reduction and material durability are paramount.

Designed with a standard M18x1.5mm thread pitch, it fits most aftermarket and OEM oxygen sensor bungs. The integrated hex head allows for secure installation and easy removal, providing a reliable seal during tuning or when a wideband sensor is not required. This component is a staple for professional fabricators working with titanium exhaust components.

• Material: High-quality Titanium
• Thread Pitch: M18x1.5mm
• Head Style: External Hex for easy serviceability
• Corrosion-resistant construction for extreme heat cycles
• Manufacturer Part Number: 108-00500-0000

Reinforce your titanium exhaust system with the Ticon Industries Titanium Brace Bracket. Specifically engineered to support O2 sensor bungs, this bracket addresses the common issue of stress cracking and vibration fatigue at the bung-to-tube junction. In high-performance and thin-wall exhaust applications, the added leverage of an oxygen sensor can lead to weld failure; this precision-cut bracket distributes that load across a wider surface area for significantly improved durability.

• Fabricated from high-grade CP1 titanium to match your titanium exhaust components
• 1.5mm (0.059") thickness provides structural rigidity without excessive weight
• Protects against weld failure caused by heat cycles and exhaust vibration
• Ideal for custom turbo manifolds and lightweight exhaust fabrication
• Manufacturer Part Number: 108-00400-0000

The Ticon Industries 10AN titanium male weld bung is a precision-engineered component designed for high-performance fabrication. Machined from high-quality titanium, this bung provides a lightweight and exceptionally corrosion-resistant solution for custom plumbing in fuel, oil, and coolant systems.

Engineered for professional welding applications, this fitting allows fabricators to add secure -10AN connection points to titanium tanks, catch cans, and custom radiator assemblies. Its titanium construction offers superior strength-to-weight ratios compared to traditional stainless steel or aluminum fittings, making it ideal for motorsport and aerospace-grade fluid transfer systems.

• Manufacturer Part Number: 104-00800-0000
• Fitting Size: -10AN
• Fitting Type: Male Weld Bung
• Material: Titanium
• Application: Custom fluid systems, oil pans, and catch cans

This Ticon Industries 3/8in NPT Titanium Sensor Bung is engineered for precision fabrication on high-performance exhaust and intake systems. Machined from high-quality titanium, this bung provides a lightweight and corrosion-resistant mounting point for temperature, pressure, or other NPT-threaded sensors.

The coped end design is specifically profiled to sit flush against tubing ranging from 1.5 inches to 5 inches in diameter, significantly reducing prep time and ensuring a cleaner, more secure weld joint. This component is essential for fabricators working with titanium who require a reliable, leak-free sensor port in challenging radii.

• Thread Specification: 3/8in NPT
• Material: Titanium
• End Type: Coped for universal tube fitment
• Tubing Range: Fits 1.5in to 5in OD tubing
• Manufacturer Part Number: 104-00600-6000

This Ticon Industries 1/8" NPT Titanium Sensor Bung is engineered for precision fabrication in high-performance exhaust, intake, and cooling systems. Manufactured from lightweight, high-strength titanium, it provides superior corrosion resistance and weldability for professional-grade builds.

Designed to streamline the installation of sensors, this bung features a pre-coped end specifically profiled to fit the curvature of tubing ranging from 1.5 inches to 5 inches in diameter. This radius cut ensures a tighter fit-up, reducing the time required for prep work and helping to achieve a clean, leak-free TIG weld on your plumbing.

• Thread Specification: 1/8" NPT
• Material: Titanium
• Design: Coped end for 1.5" to 5" OD tubing
• Installation: Weld-on
• Manufacturer Part Number: 104-00400-6000

Fabricate your titanium exhaust system with precision using this twin pack of Ticon Industries titanium O2 sensor bungs. These bungs are specifically engineered for high-performance exhaust applications where weight reduction and corrosion resistance are critical. Each bung features a radius-cut coped end designed to sit flush against tubing ranging from 2.75 inches to 5 inches in diameter, ensuring a tighter fit and more consistent weld bead.

• Manufactured from high-grade titanium for superior durability and heat resistance
• Coped end design optimizes fitment on 2.75in to 5in OD tubing
• Includes two (2) O2 sensor bungs per pack
• Standard thread pitch for universal oxygen sensor compatibility
• Manufacturer Part Number: 104-00100-5001

The Stainless Bros M18x1.5 O2 Sensor Bung with Built-in Heat Sink is engineered for high-performance exhaust applications where thermal management is critical. This precision-machined, weld-on component provides a standard mounting point for oxygen sensors, utilizing integrated cooling fins to dissipate excess heat before it can reach the sensor body.

By reducing the thermal load on the sensor element, this bung helps extend the service life of sensitive wideband and narrowband sensors, particularly in high-heat environments like turbocharger downpipes or high-horsepower naturally aspirated manifolds. The heat sink design allows for more stable sensor operation and more reliable air-fuel ratio data during aggressive driving or high-load conditions.

• Thread Pitch: M18x1.5 (Standard O2 sensor sizing)
• Integrated heat sink fins for enhanced thermal dissipation
• Precision-machined for consistent fitment and welding
• Ideal for turbocharged and forced induction exhaust systems
• Manufacturer Part Number: 604-00100-9000

The Stainless Bros M18x1.5 Step Type O2 Sensor Bung is an essential component for professional exhaust fabrication and custom header builds. This precision-machined bung provides a secure, threaded mounting point for standard oxygen sensors or wideband air-fuel ratio gauges.

Designed with a specific "step" shoulder, this bung simplifies the welding process by allowing the part to self-center within a pre-drilled hole in the exhaust tubing. This feature ensures the bung remains stable and properly aligned while you lay your TIG or MIG beads, preventing it from slipping into the pipe. The M18x1.5 thread pitch is the industry standard for most automotive O2 sensors, making this a versatile choice for forced induction setups, downpipes, and naturally aspirated exhaust systems.

• Manufacturer Part Number: 604-00100-8000
• Thread Size: M18 x 1.5
• Profile: Step Type for self-centering fitment
• Application: Custom exhaust systems, turbo downpipes, and headers

The Stainless Bros M18x1.5 O2 Sensor Bung is a precision-machined component designed for professional exhaust fabrication. This weld-on bung features a radius-cut base specifically contoured to sit flush against exhaust piping with an outer diameter ranging from 1.75 inches to 2.50 inches. This design eliminates the gaps found with flat-bottom bungs, ensuring a superior fitment for high-quality TIG or MIG welding.

Threaded to the industry-standard M18x1.5 pitch, this bung is compatible with the vast majority of factory and aftermarket wideband and narrowband oxygen sensors. It is an essential component for custom header builds, downpipes, or adding additional sensor bungs for data logging and tuning equipment.

• Thread Pitch: M18x1.5
• Tube Fitment: 1.75in to 2.50in diameter piping
• Mounting: Weld-on radius cut
• Material: Stainless steel construction
• Manufacturer Part Number: 604-00100-7000

The Stainless Bros M18x1.5 O2 Sensor Bung (Saddle Type) provides a professional, leak-free mounting point for oxygen sensors in custom exhaust systems, headers, or downpipes. Precision-machined to ensure thread accuracy, this bung is a critical component for tuners and fabricators who require reliable Air/Fuel Ratio (AFR) monitoring.

The saddle-style design features a contoured base specifically engineered to sit flush against round exhaust tubing. This profile simplifies the welding process by providing a stable interface that minimizes gaps, resulting in a stronger, cleaner weld compared to standard flat bungs. The M18x1.5 thread pitch is the industry standard for the vast majority of narrowband and wideband O2 sensors.

• Thread Size: M18 x 1.5
• Mounting Style: Saddle-type (contoured base) for tubing applications
• Application: Compatible with most standard automotive O2 sensors and wideband controllers
• MPN: 604-00100-6000

Integrate an oxygen sensor into your custom exhaust system with the Stainless Bros M18x1.5 O2 Sensor Bung. This component is specifically engineered with a contoured base to sit flush against exhaust tubing diameters ranging from 2.75 inches up to 5 inches. The precise radius profile simplifies the welding process, ensuring a secure, leak-free seat for your wideband or narrow-band O2 sensor.

• Thread Pitch: M18 x 1.5
• Fitment: 2.75 inch to 5 inch OD tubing
• Precision-machined for consistent thread engagement
• Contoured base for simplified welding on large-diameter pipes
• Manufacturer Part Number: 604-00100-5000

This Stainless Bros saddle-type O2 sensor bung provides a professional solution for adding oxygen sensor ports to round exhaust tubing. Precision cast from high-grade 304 stainless steel, this component is designed for custom exhaust fabrication where a flat mounting surface is unavailable.

The radius-cut saddle profile allows the bung to seat securely against the contour of the exhaust pipe, facilitating a cleaner weld and ensuring a leak-free installation. Its SS304 construction offers excellent corrosion resistance and superior weldability, making it an essential part for high-performance exhaust systems.

• Material: Cast 304 Stainless Steel (SS304)
• Profile: Round Saddle Type
• Application: Universal O2 sensor mounting for round tubing
• Manufacturer Part Number: 604-00100-4000