Bosch 12108 oxygen sensor for the 1995-1997 Toyota Corolla 4-cylinder 1.8L, the 1996-1997 Corolla 4-cylinder 1.6L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. That feedback helps keep combustion stable and emissions down.
- Switching-type, narrow-band sensor without a heater element
- Advanced ceramic element and high-temperature-resistant materials for steady output under heat and vibration
- Metal housing with TSP coating to resist vibration, corrosion and contamination in exhaust up to 1,880°F
Quick facts
- Part: Bosch 12108 oxygen sensor
- Fits: the 1995-1997 Toyota Corolla 4-cylinder 1.8L, the 1996-1997 Corolla 4-cylinder 1.6L and other vehicles
- Position: Upstream, downstream
- Material: Metal housing
- Condition: New
A worn oxygen sensor can show up as a check engine light, higher fuel use or a rough idle. An exhaust leak, a vacuum leak or a fouled spark plug can be behind those signs too, so find the cause before you buy. If the sensor is the cause, this one replaces it.
Fits
Beyond the Corolla engines named above, it is an oxygen sensor for the 1996-1997 Toyota RAV4 4-cylinder 2.0L and the 1994-1999 Toyota Celica 4-cylinder 2.2L. This listing is one sensor, and each application takes one. If your car is not named here, open the "Vehicles it fits" section and check your exact model and engine.
Specifications
Fit and size
- Position: upstream, downstream
- Quantity per vehicle: 1
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 16.1 in
Build and materials
- Sensor type: narrow-band, non-heated
- Housing material: metal
- Wiring harness: included
- Condition: new
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Installation notes
- Conductive anti-seize is pre-applied to the threads.
- Direct-fit connectors are made for quick installation.
Frequently Asked Questions
Is the Bosch 12108 a Toyota Corolla oxygen sensor for the 1996-1997 Corolla 4-cylinder 1.6L?
Yes, the Bosch 12108 fits the 1996-1997 Toyota Corolla 4-cylinder 1.6L and the 1995-1997 Corolla 4-cylinder 1.8L, one sensor per application. For another model, open the "Vehicles it fits" section.
What thread and hex size does the Bosch 12108 oxygen sensor have?
The Bosch 12108 has an M18 - 1.5 thread and a 22 mm hex. It measures 16.1 in from the sealing surface to the end of the connector.
Is this Bosch O2 sensor heated or non-heated?
This sensor is non-heated. It is a narrow-band, switching-type oxygen sensor.
Does the Bosch 12108 oxygen sensor include a wiring harness?
Yes, the wiring harness is included with the Bosch 12108. A mounting bracket is not included.
Is anti-seize already on the threads of this oxygen sensor?
Yes. Conductive anti-seize comes pre-applied to the threads of this oxygen sensor, and its direct-fit connectors are made for quick installation.
