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Lambda Sensor Adapter Reducer M18x1.5 to M12x1.25 + Plug – TurboWorks
The TurboWorks M18x1.5 to M12x1.25 lambda sensor reducer adapter is a practical solution for installing lambda sensors with an M12x1.25 thread into exhaust systems originally designed for M18x1.5 sensors. Perfect for engine swaps, exhaust modifications, or custom tuning setups. The included plug allows the adapter to be used as a temporary or permanent block-off solution.
Why choose the TurboWorks reducer adapter?
- M18x1.5 to M12x1.25 reduction – compatible with various lambda sensor types
- High-quality construction – resistant to heat and corrosion
- Universal use – ideal for tuning, engine conversions, or sensor adaptations
- Includes plug – added versatility and safety
- Easy installation – fits all standard M18x1.5 bungs
Application of the reducer adapter with plug
This reducer adapter is commonly used in vehicles with engine swaps, modified exhaust systems, or when installing aftermarket sensors. Its smart design allows seamless thread conversion without welding or fabrication. The included plug makes it possible to safely close the sensor port if the sensor is removed or relocated.
Technical specifications:
- Brand: TurboWorks
- Type: lambda sensor reducer adapter
- External thread: M18x1.5
- Internal thread: M12x1.25
- Material: heat-resistant steel
- Included: adapter + sealing plug
Lambda thread reducer with plug – versatility and functionality
The TurboWorks M18x1.5 to M12x1.25 reducer adapter with plug offers maximum flexibility for exhaust system customization without altering your vehicle’s structure. Reliable, simple, and universally applicable – trusted by tuners and mechanics alike.
Type of warranty: manufacturer's warranty.
Warranty period: 24 months.
The manufacturer's warranty means that in the event of a defect or malfunction, the product will be repaired or replaced by an authorized service center. In most cases, proof of purchase (receipt or invoice) is required.
To submit a warranty claim, please contact our store via the warranty claim form. The product must be sent back to us at your own expense. If the claim is approved, we will refund the shipping costs upon presentation of proof of payment.
If you have any questions regarding the warranty conditions or the status of your claim, please contact our customer service department.






