Replacement ECM Oxygen Sensor — 18 mm sensor

THUNDERMAX Replacement ECM Oxygen Sensor — 18 mm sensor

THUNDERMAX
1022-0039
309-355

Easy-install replacement oxygen sensor for ECM auto‑tune systems. Made in the USA. Some exhausts may require modifications.

Hurry! only 12 items left in stock.
€114.68
€144.17
Save €29.49
local_shipping In stock, ships in 2-3 days
Quantity

  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

Easy installation: replace the factory ECM, install new O₂ sensors and harness, load the correct map for your bike, and ride. 🔧

This replacement oxygen sensor is designed for ECM auto-tune systems, restoring accurate air/fuel readings and supporting closed-loop tuning. ⚙️

Made in the USA.

Note: Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.

: 1022-0039
In Stock

Data sheet

Type
Replacement, Oxygen
Units
Each
Color/Finish
Black, Gold
Brand
THUNDERMAX

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.