Eliminate check engine lights (CEL) with this durable stainless steel O2 sensor spacer adapter - a universal fit for M18x1.5 threads!
Specifications:
- Quantity: 2PCS
- Thread Size: M18x1.5 (Internal & External)
- Material: High-quality stainless steel
- Color: Silver
- Fitment: Universal fit for M18x1.5 O2 sensor ports
- Function: Helps reduce or eliminate check engine lights (CEL) caused by high-flow exhaust modifications
Key Features:
CEL Fix Solution - Reduces the likelihood of triggering a check engine light after modifying exhaust systems.
Premium Stainless Steel Build - Corrosion-resistant and durable for long-term use.
Universal Fitment - Compatible with all vehicles using M18x1.5 O2 sensor threads.
Easy Installation - Simply screws into the O2 sensor port for a hassle-free setup.
High-Flow Exhaust Compatibility - Ideal for vehicles with aftermarket or high-performance exhaust systems.
Product Description:
The 2PCS O2 Sensor Spacer Adapter is designed to help reduce or eliminate check engine lights (CEL) caused by high-flow exhaust modifications. With an M18x1.5 thread size, this mini catalyst spacer provides a simple and effective solution for vehicle owners looking to optimize their O2 sensor placement.
Crafted from high-quality stainless steel, this adapter offers superior durability and corrosion resistance, ensuring long-lasting performance in various driving conditions. Designed for universal fitment, it works with any O2 sensor port that uses an M18x1.5 thread pitch. Installation is quick and easy-just screw it in, and you're good to go! Whether you're tuning your exhaust system or looking for a reliable CEL fix, this O2 sensor spacer adapter is the perfect addition to your toolkit.
At Primebay, we’re committed to making your shopping experience seamless and worry-free. Below you’ll find details on how we process and deliver orders within Australia.
Order Processing
Orders are processed within 1–2 business days after payment confirmation.
Once shipped, you’ll receive a confirmation email with tracking details.
Shipping Times
Our products are shipped directly from our trusted suppliers. Delivery times vary depending on the item and supplier location:
Standard Shipping (Australia-wide): 5–10 business days
Remote/Rural Areas: May require additional 3–5 business days
(Note: Delivery times are estimates and may be affected by , weather conditions, or peak holiday periods.)
Shipping Fees
Free standard shipping on all orders.
Tracking Your Order
All orders come with tracking.
Tracking details may take 2–4 business days to update after dispatch.
Incorrect Address
Please ensure your delivery details are correct when placing your order.
Primebay is not responsible for delays or lost parcels due to incorrect addresses.
Delays & Lost Packages
If your order has not arrived within 30 business days, please contact us at for assistance.
In the case of a lost package, we’ll send a replacement or issue a full refund.
Warranty & Returns
1. Change of Mind Returns
We offer a 30-day Change of Mind return policy, giving you confidence when shopping with us.
If you change your mind about your purchase, you can return your item within 30 days of receiving it for a full refund.
To be eligible for a Change of Mind return:
The item must be unused, unworn, and in its original packaging (including all accessories, tags, and manuals).
You must provide a receipt or proof of purchase.
No restocking fees apply.
Return postage for Change of Mind returns may be at the buyer’s expense, unless otherwise stated.
Please contact us before sending your return to obtain instructions and ensure smooth processing.
2. Warranty & Faulty Items
All our products are covered by a 12-month warranty against manufacturing defects.
If your item develops a fault within the warranty period, please contact us so we can assist with a repair, replacement, or refund, in line with the Australian Consumer Law (ACCC Consumer Guarantees).
To process a warranty claim, you may be asked to provide:
A detailed description of the issue, and
Clear photos or videos showing the fault.
Please note that warranty claims do not apply to damage caused by misuse, neglect, or normal wear and tear.
3. Need Help?
If you have any questions about returns or warranty claims, please contact our customer service team — we’re happy to help.






