Note
1. ONLY a defective sensor after being tested by a voltmeter is applied to the manufacturer's warranty.
2. 20% restocking fee is required if the buyer bought the wrong items due to not paying attention to fitment information and asking for a return.
3. The Price, Quality & Functionality of the O2 Sensor is fully covered under our warranty & return policy. However, a refund for any labor cost, expense in a dealer shop, or damage due to the wrong installation is NOT covered.