🚗 M18X1.5 Car O2 Sensor-Car CEL Check Engine Light Adapter Eliminator

Real Catalytic Converter Replacement

Built-in miniature catalytic converter tricks your ECU into detecting proper exhaust temperatures and flow—eliminating P0420/P0430 check‑engine light errors after removing or upgrading your cat. (Off‑road use only)

Guaranteed Performance

Unlike cheap extensions, this adapter IS a true converter—engineered to restore stock sensor readings for optimal fuel mapping and emissions control.

Simple Installation

Screw directly into your O₂ sensor bung—no wiring, no tuning, no hassle. Fits standard 18 mm threaded sensors for an instant CEL fix.

Specifications:

• Material: High‑grade stainless steel
• Sensor Thread: 18 mm × 1.5 mm
• Housing Size: 60 mm × 25 mm
• Temperature Range: –40 °C to 900 °C
• For Off‑Road Use Only

100% Satisfaction Guarantee

At Radiant, we believe in creating innovative products that enhance your life, and we want you to feel completely confident in your purchase. We’re proud to offer a 30-day risk-free satisfaction guarantee.

• 15-Day Return Policy: You have 15 days from the date of purchase to return your items for a full refund or exchange, depending on the situation.
• No-Risk Trial: If for any reason you’re not fully satisfied with your purchase, simply reach out to us. We’re here to ensure you’re 100% happy, and we’ll make it right!
• 100% Money Back Guarantee: If you don’t love the product, we will gladly process a full refund—no questions asked.
• Effortless Process: Buying online can feel uncertain, but we’ve made it easy. If you don’t like your item, return it hassle-free within 15 days for a full refund.

We are committed to delivering quality and customer satisfaction. Your peace of mind is our priority, and we want you to shop confidently with Radiant.

Payment:

PayPal is welcomed here.
If you don't have a PayPal account, we accept all credit cards: just select 'PayPal' and click the 'Pay with Debit or CreditCard' button.