Denso Direct Fit Oxygen Sensor DOX-0300
Primarily used in MAZDA cars and typically replaces original equipment sensors including part number BP0318861B.
A common application for this sensor would be MAZDA MX-3 (EC) 1.6 i (199107 - ).
Note that the figures in brackets denote the year and month of manufacture. Also fits other models, please use the 'lookup' on our homepage or on Denso's website. We strongly recommend cross referencing the original equipment (OE) sensor to the Denso aftermarket part in order to confirm suitability. See the CROSS REFERENCE tab for details. Contact us if you need help with this.
Refer to the ADDITIONAL INFORMATION tab for details of cable length and number of wires. Please visit the Denso Aftermarket website if you wish to identify suitable parts by vehicle registration (VRM) lookup.
Denso Direct Fit Oxygen Sensors, sometimes referred to as Lambda or O2 sensors or probes, are designed to be a 'plug and go' replacement for Original Equipment (OE) or competitor brand Oxygen sensors. This means you do not have to perform any cutting and reconnecting of cables, or need to reuse the original sensor connector. The correct connector for your vehicle's wiring loom is already attached to the direct fit replacement sensor.
Flange fitting type sensors are supplied with a gasket if required and sensors with a threaded fitting are either pre greased at the factory or are supplied with a sachet of suitable grease.
Simply disconnect your existing sensor from the vehicle's wiring loom, this is usually located in the engine bay and, using a suitable tool such as a Laser Lambda sensor socket for M18 threaded sensors, or the correct sized socket for sensors with flange fitting, carefully remove the existing sensor. Using the same tool, install the new sensor core, taking care not to damage the cables or the sensor body, connect back into the wiring loom and you're good to go.
Note that some vehicles may require an ECU reset in order to recalibrate engine management systems for the new sensor, this usually entails disconnecting the battery for a number of hours, overnight is usually sufficient.
- Additional Information
Manufacturer Denso Cable Length [mm] 450 Manufacturer Restriction DENSO Number of Poles 1 Quality OE Thread Size M18x1.5 ArtNr DOX-0300 Number Of Wires 1 Seat Type Threaded With Gasket Part Type Direct Fit Lambda Sensor
- Cross Reference
Manufacturer Part Number BOSCH 0258001025 MAZDA BP0318861B
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