- Brand New Oxygen sensor.
- Interchange Part Number: OS2106, Denso 234-4344 12570795, 12589550
- Position: Upstream Left
- Direct Plug-In Replacement
- Wires: 4
- Length (Sensor to Lead): 350 mm (11.81 inch)
- Please see compatibility chart.
- Warranty: One year unlimited miles.
- Discount shipping on multiple items, please contact us for details.
Package Includes:
- 1 x Oxygen Sensor
Must Know Before Buying:
- The following information is for instructional and guidance reference only. We try and make them as accurate as we can.
- If Check Engine Light is on or an OBDII Trouble/Fault code occurs after installation, check the sensor with a voltmeter as below. If the sensor is good, further diagnosis is required. There're many different codes for specific functional failures, which are NOT necessarily relevant to the sensor. Find out what the Code means before leaving any feedbacks.
- Items that have been installed, altered or contaminated are non-returnable. ONLY a defective sensor after tested by a voltmeter is applied to manufacturer warranty.
- 20% restocking fee is required if buyer bought wrong items due to not paying attention to fitment information and ask for return.
- The Price, Quality & Funcitonality of the O2 Sensor is fully covered under our warranty & return policy. However, refund for any labor cost, expense in a dealer shop or damage due to wrong installation is NOT covered.
Q: How do I know the O2 sensor is good or not? (Online Video)
A: The only way to know if the O2 sensor is functioning normally is to check its responsiveness to changes in the air/fuel mixture, by Voltage Measurement or Waveform Simulation.
Use a 10-megaohm digital voltmeter. Hook up the voltmeter's red probe to the sensor's signal wire and the black probe to engine ground. (Use back probe method, DO NOT pierce the wire.) For a good sensor, voltage should fluctuate constantly between 0.1 and 0.9 volts after starting the engine for 2 or 3 minutes.
Please take a video clip of the voltmeter and contact us if our sensor:
- Goes above range between 0.1 and 0.9 volt
- Remains below 0.5 volts
- Stays fixed at a particular voltage
You're free to choose replacement or refund if our sensor fails to work, in this case.
This product is warehoused in California, USA.
We will be shipping out the item within 1 business day. If you make an order and pay before 1 pm PST on business day, we will most likely ship out the item the same day!
USPS is our preferred carrier. The item usually arrives within 1-5 days after shipped.
Other faster shipping option is available on request with additional cost. Email us for pricing to your zip code/country.
We ship to PayPal confirmed address only. Please make sure your PayPal address is up-to-date.
We accept PayPal only. Please pay within 2 days after buying the item. Your payment is for the cost the item and the shipping & handling charges. Any custom duty or import/export fees are not included. Please consult related policy if you have any doubt.
We accept return in 2 weeks and appreciate communication in advance!
You must contact us to request a Return Authorization Number (RA#) before you send anything back. Any packages returned by buyer Without Communication WILL NOT be handled. With RA#, we may address return issues with high efficiency. Without RA#, we may fail to find your transaction. Appreciate your understanding!
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