Oxygen Sensor for 2009-2013 Mazda 6 - DENSO 234-4279

$112.99

Part number: 234-4279

UPC: 042511117778

Condition: New

Weight: 0.27 LBS

Item Package Quantity: 1

$112.99

Current Stock: 6

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DENSO Auto Parts Oxygen Sensor P/N:234-4279

$112.99

Description

DENSO Auto Parts 234-4279 oxygen sensor for the 2009-2013 Mazda 6 4-cylinder 2.5L measures exhaust oxygen for the engine computer. It is a heated, narrow-band, direct-fit sensor for the downstream position.

Laser-welded stainless housing that resists corrosion
PTFE filter that blocks contaminants under harsh engine conditions
Dual-layer protection around the ceramic element for fast, reliable response times
Aluminum oxide trap layer designed to protect the ceramic element from silicone and lead poisoning

Quick facts

Part: DENSO Auto Parts 234-4279 oxygen sensor
Fits: 2009-2013 Mazda 6 4-cylinder 2.5L
Position: Downstream
Condition: New

A worn downstream oxygen sensor can show up as a check engine light or a drop in fuel economy. An exhaust leak, a worn catalytic converter or damaged wiring can be behind those signs too, so find the cause before buying a sensor.

Fits

This listing is one sensor. It is a direct-fit replacement for the 2009-2013 Mazda 6 4-cylinder 2.5L, which takes one, and it is manufactured and tested to the strictest OE standards. Each component is precision built for exact replacement and a first-time fit.

Specifications

Fit and size

Position: Downstream
Quantity per vehicle: 1
Thread diameter: 0.708 in
Wiring harness length: 34.84 in
Wire quantity: 4

Build and materials

Sensor type: narrow-band, heated
Mounting type: threaded
Connector gender: male
Condition: New
Country of origin: Japan

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

18120, L51918861B, L51918861C, 22129, 250-24859, 350-34520

Buyer's Q&A

Frequently Asked Questions

Is this a 2009-2013 Mazda 6 4-cylinder 2.5L oxygen sensor replacement?

Yes. DENSO Auto Parts 234-4279 is a direct-fit downstream oxygen sensor for the 2009-2013 Mazda 6 4-cylinder 2.5L, and that car takes one.

Is this DENSO Auto Parts oxygen sensor heated?

Yes. DENSO Auto Parts 234-4279 is a heated, narrow-band sensor with 4 wires and a male connector.

How long is the wiring harness on this downstream oxygen sensor?

The wiring harness is 34.84 inches long, and the threaded body has a 0.708-inch thread diameter.

What protects the ceramic element in this oxygen sensor?

A PTFE filter blocks contaminants, and dual-layer protection shields the element. An aluminum oxide trap layer is designed to guard it from silicone and lead poisoning.

Can a worn downstream oxygen sensor turn on the check engine light?

Yes, it can be one of several causes. A shop can read the stored codes and test the sensor and its wiring.