Rear Oxygen Sensor PE12-18-86Z for Mazda Atenza Mazda6
Rear Oxygen Sensor PE12-18-86Z for Mazda Atenza Mazda6
Processing time: 2?3 business days. Standard delivery: 7?15 business days. Express delivery: 3?7 business days, where available.
200 in stock
Replacement rear oxygen sensor designed for Mazda Atenza / Mazda6 vehicles.
This rear O2 sensor, also called a downstream oxygen sensor or lower oxygen sensor, monitors oxygen levels in the exhaust system and sends data to the engine control unit to help support proper air-fuel ratio control and emissions performance. A faulty oxygen sensor may cause poor fuel economy, increased emissions, rough idle, or check engine light issues.
Part number PE12-18-86Z is listed by Mazda parts sources as an oxygen sensor with rear / lower positioning for Mazda applications.
Features
- Rear oxygen sensor / downstream O2 sensor
- Helps monitor exhaust oxygen levels
- Supports proper fuel-air mixture and emissions control
- Suitable for Mazda Atenza / Mazda6 applications
- Replacement for part number PE12-18-86Z
- Ideal for replacing faulty, worn, or damaged oxygen sensors
- Designed for stable signal output and reliable performance
Compatible Vehicles
- Mazda Atenza
- Mazda6
- Other Mazda models using part number PE12-18-86Z, please verify before purchase
Replace Part Number
- PE12-18-86Z
- PE121886Z
Package Includes
- 1 × Rear Oxygen Sensor
Fitment Note
Please confirm your original part number, sensor position, connector type, engine size, and vehicle compatibility before ordering. Fitment may vary by year, trim, engine type, and market region.
Product FAQ
Will this Oxygen Sensor fit my vehicle?
This product is intended for vehicles that match the OE part number and application details shown on this page. Please compare your original part with PE12-18-86Z, MAZDA6, and verify the connector, mounting points, and fitment for Mazda before ordering.
Which part number should I use to confirm compatibility?
Use the OE or replacement part number on your original component first. For this listing, compare against: PE12-18-86Z, MAZDA6. Matching the part number is usually more reliable than matching only the model name or year range.
What symptoms can this part help solve?
A failing Oxygen Sensor may be related to check engine light, poor fuel economy, emissions faults, or oxygen/lambda sensor codes. Always confirm the diagnosis with scan-tool data, fault codes, or a technician inspection before replacing the part.
What should I check before purchase?
Please check the OE number, connector shape, pin count, mounting points, size, and vehicle application. Small differences in plugs, brackets, sensor position, or production year can affect fitment even when the vehicle model looks similar.
Is this a new replacement part?
Yes, this listing is for a new replacement auto part supplied by Staceedress Auto Parts. Keep the original part until installation is complete so you can compare the shape and connector side by side.
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Questions check here
How long does shipping take?
How long does shipping take?
Processing time: 2?3 business days. Standard delivery: 7?15 business days. Express delivery: 3?7 business days, where available.
Does this part come with protective packaging?
Does this part come with protective packaging?
Yes. Each auto part is packed with protective materials to reduce damage during transit. Please inspect the part before installation and keep the original packaging until fitment is confirmed.
Do you ship internationally?
Do you ship internationally?
Free standard shipping is available on orders over $15. Express shipping is calculated at checkout. International delivery availability and timing may vary by destination.
What payment methods do you accept?
What payment methods do you accept?
We accept a variety of payment methods to make your shopping experience convenient. These include credit cards (Visa, Mastercard, American Express), PayPal, and, in some regions, alternative payment methods such as Apple Pay or Google Pay. Rest assured, your payment information is secure and protected during the checkout process.
