Stainless Bros 604-01400-0000 SS304 Weld-In Sensor Bung

The Stainless Bros 604-01400-0000 is a precision-machined weld-in sensor bung engineered for custom exhaust fabrication and performance builds. CNC-machined from high-quality 304 stainless steel, this sensor bung delivers superior corrosion resistance and durability in the extreme heat and harsh chemical environment of an automotive exhaust system.

Stainless Bros sensor bungs are a trusted choice among professional fabricators and performance enthusiasts for adding oxygen sensors, EGT (exhaust gas temperature) sensors, or other exhaust-mounted sensors to factory or custom stainless steel exhaust systems.

Key Features:

• CNC-machined from 304 stainless steel for precision fit and long-term durability
• Designed for weld-in installation on stainless steel exhaust tubing
• Provides a secure, leak-free mounting point for O2, EGT, or other exhaust sensors
• Resists rust, corrosion, and high-temperature exhaust gases
• Ideal for custom exhaust fabrication, turbo builds, and performance upgrades
• Compatible with professional TIG or MIG welding processes

Whether you are building a full custom exhaust system or adding a wideband oxygen sensor bung to an existing setup, the Stainless Bros 604-01400-0000 delivers the precise machining and material quality that fabricators demand.