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Lambda Sensor Plug M18x1.5 Stainless Steel – Durable and Airtight Seal
What is a lambda sensor plug used for?
The M18x1.5 lambda sensor plug is a practical component made from acid-resistant stainless steel, designed to securely and permanently seal an unused oxygen sensor port in the exhaust system. It’s the ideal solution when modifying the exhaust, removing the sensor, or installing an emulator.
Key product features:
- Thread: M18x1.5 – standard size for most lambda (oxygen) sensors
- Material: stainless steel (acid-resistant) – corrosion and heat resistant
- Brass sealing washer included – ensures a perfect seal
- Fits 24 mm wrench – quick and secure installation
- Universal application – compatible with most lambda sensor ports
When to use the M18x1.5 plug?
This plug is used in situations where:
- you remove the lambda sensor during exhaust modifications,
- you install a lambda emulator and no longer need the physical sensor,
- you relocate the sensor and need to permanently seal the original port.
Why stainless steel?
Made of acid-resistant stainless steel, this plug guarantees full protection against rust and seizing, ensuring easy removal even after extended use. The included brass washer provides extra sealing to prevent any exhaust leaks.
Summary – M18x1.5 Stainless Steel Lambda Sensor Plug
The universal M18x1.5 stainless steel plug is a reliable and long-lasting solution for properly sealing unused lambda sensor ports. Perfect for tuning, custom exhaust builds, or any professional exhaust system repair.
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.






