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Review on Denso 234 4340 Oxygen Sensor by Jacob Diego

Revainrating 5 out of 5

Does what it's supposed to do

Perfect fit for the 2006 Mazda MX-5 - cables were the right length, right connector. Came with a small tube of anti-seize but didn't need it as the sensor already had an anti-seize coating on the threads. Easy DIY, no more code P0037. Spent more time jacking up and supporting the car than replacing a part. A $90 sensor + $9 socket + 10 minutes is certainly better than the $220 the dealer wanted for a sensor in a Mazda box and from what I can find Denso has the part manufactured. for her.

Pros
  • Sensors
Cons
  • Big and bulky