AEM No Weld O2 Sensor Mount – Key Features & Functions
No-Weld Clamp-On Design
The standout feature:
- Installs without welding
- Clamps securely onto exhaust piping
- Ideal for quick installs or temporary setups
Because not everyone wants to tear apart their exhaust.
AEM 30-2355-three hundred three” No-Weld O2 Sensor Mount
Fits 3″ Exhaust Piping
Designed specifically for:
- 3-inch diameter exhaust systems
- Common aftermarket performance setups
- Turbo and high-flow exhaust builds
Direct fit for most performance applications.
Integrated O₂ Sensor Bung
Provides proper sensor mounting:
- Standard O₂ sensor threading
- Compatible with wideband and narrowband sensors
- Secure, leak-resistant fit
Because your sensor needs to stay put—and sealed.
O2 sensor bought one after the other
Ideal for Wideband AFR Monitoring
Perfect for tuning setups:
- Supports wideband O₂ sensors
- Enables accurate AFR readings
- Essential for performance tuning
Because guessing AFR is how engines run lean—and fail.
Reusable & Adjustable
Flexible installation:
- Easily repositionable
- Removable for future setups
- Great for temporary or testing applications
Because builds change—and this keeps up.
Durable Construction
Built for exhaust conditions:
- Heat-resistant materials
- Strong clamping mechanism
- Designed for high-temp environments
Because it lives in one of the hottest parts of your car.
Why You Need This AEM No Weld O2 Sensor Mount
If you’re adding a wideband sensor and don’t want to weld, this is the easiest solution.
The AEM 3″ No-Weld O₂ Sensor Mount gives you:
- Quick, weld-free installation
- Accurate sensor placement for reliable AFR readings
- Flexible, reusable mounting solution
- Perfect for tuning, testing, or temporary setups
Because cutting and welding your exhaust isn’t always the move.
Ideal Applications
- Wideband AFR installs
- Turbocharged builds
- Exhaust system upgrades
- Tuning and data logging setups
- Temporary sensor installations
Final Verdict
The AEM 30-2355-300 No-Weld O₂ Sensor Mount is a simple, practical solution for adding an O₂ sensor without permanent modifications.
It’s quick, effective, and saves you from turning a simple install into a full fabrication project.
Because sometimes the easiest solution is the smartest one.




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