Kalsten | Oxygen Sensor Adapter with Mini Catalytic Converter
Oxygen Sensor Adapter with Mini Catalytic Converter
Fix annoying warning lights and restore peace of mind with this high-performance oxygen sensor adapter. Designed for use after catalytic converter removal, this durable O2 sensor adapter features a built-in mini catalytic converter that helps eliminate the check engine light caused by exhaust system changes. Made from tough SS304 stainless steel, it installs easily with an M18*1.5 thread and delivers long-lasting performance.
Why Choose the Oxygen Sensor Adapter?
- Eliminates Engine Warning Lights: Helps resolve P0420 and P0430 codes after exhaust changes.
- Built-In Mini Catalytic Converter: Offers real filtration for improved sensor readings and reliability.
- High-Quality Stainless Steel: Made from SS304 for corrosion resistance and long-term durability.
- Quick & Easy Installation: Fits securely with M18*1.5 thread—no special tools required.
- Off-Road Ready: Perfect for modified vehicles used in track or off-road conditions.
Specifications
- Material: SS304 Stainless Steel
- Thread Size: M18*1.5
- Weight: 40 g
What's in the Box?
- 1 x Oxygen Sensor Adapter with Mini Catalytic Converter
- Protective packaging
- Installation instructions
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.
