Oxygen Sensor for 2012-2013 Mazda 3 & More - Bosch 18102

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$218.99
MPN: 18102
Item Package Quantity: 1
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Bosch Oxygen Sensor P/N:18102
Bosch Oxygen Sensor P/N:18102
$218.99

Bosch 18102 oxygen sensor for the 2012-2013 Mazda 3 4-cylinder 2.0L and other vehicles reads the exhaust air-fuel ratio for the engine computer. This upstream Bosch O2 sensor is a wideband type that gives the ECU more detail than a switching sensor.

  • Wideband measurement across the full lambda range
  • Reaches operating temperature in under 7 seconds for quick closed-loop control
  • Metal housing with an integrated heater element and TSP coating to resist vibration, corrosion and contamination
  • Withstands exhaust streams up to 1,880°F
  • Part of the Bosch Wideband A/F Oxygen (O2) Sensors line

Quick facts

  • Part: Bosch 18102 oxygen sensor
  • Fits: 2012-2013 Mazda 3 4-cylinder 2.0L and other vehicles
  • Position: Upstream
  • Material: Metal housing
  • Condition: New

A rough idle, a check engine light or poorer fuel economy can mean the sensor is worn. These signs alone do not prove the sensor is the problem, since a vacuum leak can also skew the air-fuel reading. This listing is a single sensor, and the engine takes one in the upstream position.

Fits

This sensor is a direct-fit replacement for the 2012-2013 Mazda 3 4-cylinder 2.0L and the 2012-2013 Mazda 3 Sport 4-cylinder 2.0L.

Specifications

Fit and size

  • Position: Upstream
  • Quantity per vehicle: 1
  • Thread size: M18 - 1.5, threaded mounting
  • Hex size: 22 mm
  • Overall length: 17.7 in
  • Length (sealing surface to end of connector): 16.5 in
  • Terminal quantity: 6

Build and materials

  • Sensor type: Wide-band
  • Housing material: Metal
  • Condition: New
  • Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
  • Country of origin: United States

In the box

One oxygen sensor with its wiring harness. No additional accessories are included.

Installation notes

  • Conductive anti-seize comes pre-applied to the threads.
  • The connectors are direct-fit, made for quick installation.

Frequently Asked Questions

Does the Bosch 18102 fit a 2012-2013 Mazda 3 Sport 4-cylinder 2.0L?

Yes. Bosch 18102 is an upstream oxygen sensor for the 2012-2013 Mazda 3 Sport 4-cylinder 2.0L, and it also fits the 2012-2013 Mazda 3 4-cylinder 2.0L.

Is this Bosch premium oxygen sensor wideband or narrowband?

Wideband. Bosch 18102 is a wide-band sensor from the Premium Wideband A/F line, and it measures the air-fuel ratio across the full lambda range.

Does the Bosch 18102 oxygen sensor come with its wiring harness?

Yes. Bosch 18102 includes the wiring harness, and no additional accessories come with it.

What thread and hex size does this upstream oxygen sensor have?

This sensor has an M18 - 1.5 thread and a 22 mm hex. Its overall length is 17.7 in, and it has 6 terminals.

Is anti-seize already on the threads of this oxygen sensor?

Yes. Conductive anti-seize is pre-applied to the threads of this sensor, and its connectors are direct-fit for quick installation.