Tokbolt M18 x 1.5 oxygen sensor spacer held near exhaust parts

Oxygen sensor spacer product information graphic with dashboard icons

M18 x 1.5 oxygen sensor spacer dimensions and thread details

Oxygen sensor spacer installation diagram with threaded tip and mesh detail

Tokbolt U.S. shipping map from Houston Texas

Oxygen Sensor Spacer M18 x 1.5 Adapter

Name: Oxygen Sensor Spacer M18 x 1.5 Adapter
Brand: Tokbolt
SKU: ZEB-100
Price: 15.99 USD
Availability: InStock

A stainless steel M18 x 1.5 O2 sensor spacer designed for downstream sensor setups, modified exhaust systems, and fitment-focused installation planning.

Ships from
Houston, TX

2–5 Business
Day Delivery

90-Day
Hassle-Free Returns

Order Tracking
Included

Choose Your Pack

1 Pack Starter Option $15.99 $19.99

2 Pack Great for Most Drivers $29.99 $39.99 MOST POPULAR

4 Pack Best Value Pack $45.99 $79.99 FREE SHIPPING

Product variants

Tokbolt

Oxygen Sensor Spacer M18 x 1.5 Adapter

Regular price: $15.99
Sale price: $15.99
Regular price: ~~$19.99~~

Today’s orders ship by: 5 June

Worked just great, no your codes after OBD2 reset driving for 4 days when I used to reset it light would come on before I got home (like 5 miles) so it works!

works great Definitely would recommend.

It absolutely saves my life for spending over 2k $ and as soon I replaced it with one of those I am so happy I found this

Frequently Asked Questions

Is it compatible with my car?

This adapter is designed for vehicles with standard M18 × 1.5mm oxygen sensor threads, which are commonly used on many cars and trucks.

Please check your O2 sensor thread size before ordering. If you’re not sure, contact us and we’ll help you confirm fitment.

What is this adapter designed for?

This O2 sensor spacer is designed for downstream oxygen sensor setups and is commonly searched by drivers looking into P0420 / P0430 codes or Check Engine Light questions.

Please confirm your M18 x 1.5 thread size, sensor position, and exhaust setup before ordering or installing. Results can vary depending on your vehicle, exhaust setup, sensor condition, and other mechanical factors.

Is it easy to install?

Yes. In most compatible setups, installation is simple:

Remove the downstream O2 sensor, install the M18 × 1.5 spacer, then reinstall the sensor into the spacer.

Professional installation is recommended if you’re not familiar with exhaust or sensor components.

Where do you ship from and how long does delivery take?

We ship directly from our U.S. warehouse in Houston, Texas.

Orders are typically processed and shipped the same business day, and delivery usually takes 2–5 business days across the United States. Once your order ships, you’ll receive a tracking number.

What if it doesn’t work for my vehicle?

No worries — you’re covered by our 90-Day Money-Back Guarantee.

Every vehicle setup is different, and results may vary depending on your model, condition, or modifications. If it’s not the right fit for your vehicle, simply contact us and we’ll make it right.

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Tokbolt O2 sensor adapter with mini catalytic core feature graphic

Mobile O2 sensor adapter feature graphic with mini catalytic core

M18 x 1.5 Oxygen Sensor Spacer for Compatible Downstream Sensor Setups

This stainless steel oxygen sensor spacer is designed for compatible exhaust setups that use an M18 x 1.5 oxygen sensor thread. It is commonly researched by drivers with P0420 / P0430 or Check Engine Light questions, but fitment should be confirmed by thread size, sensor position, and installation space before ordering.

Specifications

Product Type: Oxygen Sensor Spacer Adapter
Thread Size: M18 x 1.5
Material: Stainless Steel
Length: 4.65 cm / 1.83 in
Inner Diameter: 1.6 cm / 0.63 in
Outer Diameter: 2.5 cm / 0.98 in

Fitment Notes

This adapter is designed for compatible setups using M18 x 1.5 oxygen sensor threads. Fitment can vary depending on sensor position, exhaust layout, available clearance, and the condition of the surrounding components. Please confirm the thread size and installation area on your vehicle before ordering.

Installation Reminder

Before installation, make sure the exhaust area is cool and confirm the sensor location and thread size. Check the surrounding space and thread condition before reinstalling any components. Professional installation is recommended if you are not familiar with oxygen sensor or exhaust work.

What to Check Before Ordering

Confirm that your sensor thread size is M18 x 1.5.
Confirm that the target sensor position on your setup matches your intended installation point.
Confirm that there is enough clearance around the sensor area.
Confirm that the existing sensor and threads are in serviceable condition.
Confirm that this type of part is appropriate for your intended use and local requirements before purchase or installation.