DENSO Auto Parts 234-4606 rear oxygen sensor for the 1999-2000 Mazda Miata 4-cylinder 1.8L and other vehicles senses oxygen in the exhaust and sends a signal to the engine computer. It is a heated, narrow-band sensor built and tested to the strictest OE standards.
- Laser-welded stainless housing resists corrosion
- PTFE filter blocks contaminants under harsh engine conditions
- Dual-layer protection around the ceramic element supports fast, reliable response times
- Aluminum oxide trap layer protects the ceramic element from silicone and lead poisoning
Quick facts
- Part: DENSO Auto Parts 234-4606 oxygen sensor
- Fits: 1999-2000 Mazda Miata 4-cylinder 1.8L and other vehicles
- Position: Upstream, upstream rear
- Condition: New
A worn oxygen sensor can show up as a check engine light, poorer fuel economy or a rough idle, though other faults can produce similar symptoms. Before you replace it, look over the wiring and connector for cracks, burns or damage with the engine off and cool; a shop can test the sensor signal itself.
Fits
It is listed for a wide range of Mazda, Kia, Ford and Mercury models, including the 1995-1998 Mazda Protege 4-cylinder 1.8L and the 1995-1997 Kia Sephia 4-cylinder 1.8L. If your car is not named here, find it in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Upstream, upstream rear
- Quantity per vehicle: 1
- Thread diameter: 0.708 in
- Wiring harness length: 22.05 in
- Wires: 4
Build and materials
- Sensor type: Heated, narrow-band
- Mounting type: Threaded
- Connector: Female
- Condition: New
- Country of origin: United States
In the box
One oxygen sensor. Each vehicle takes one.
Frequently Asked Questions
Is this the right Miata oxygen sensor for a 1999-2000 Mazda Miata 4-cylinder 1.8L?
Yes. DENSO Auto Parts 234-4606 is listed for the 1999-2000 Mazda Miata 4-cylinder 1.8L, and that car takes one.
Does this work as a Protege oxygen sensor on a 1995-1998 Mazda Protege 4-cylinder 1.8L?
Yes. DENSO Auto Parts 234-4606 is listed for the 1995-1998 Mazda Protege 4-cylinder 1.8L, one sensor per car.
Is this DENSO Auto Parts oxygen sensor heated?
Yes. It is a heated, narrow-band sensor with four wires and a female connector.
What does the aluminum oxide trap layer do on this sensor?
The layer is designed to protect the ceramic element from silicone and lead poisoning.
How long is the wiring harness on this oxygen sensor?
The harness is 22.05 inches long, and the sensor threads in with a 0.708 inch thread diameter.
