Bosch Oxygen Sensor P/N:15524

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$138.99

MPN: 15524

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Bosch Oxygen Sensor P/N:15524

$138.99

Description

Help keep your engine's fueling on target with the Bosch sensor 15524, a premium switching-type oxygen sensor that sends precise air-fuel-ratio measurements to the ECU to help maintain stable combustion control and reduce emissions. It is a direct-fit replacement for several Nissan and Infiniti models, among them the 2003-2004 Nissan Pathfinder, 2003 Nissan 350Z and 2003-2004 Infiniti FX35. See the Buyer's Guide tab for the full list. The sensor is cataloged for the upstream position, listed as upstream left on some applications.

Precise feedback: Supplies accurate air-fuel-ratio feedback to the ECU, helping the engine run efficiently and reduce emissions across a wide range of operating conditions.
Built for heat: Designed for exhaust streams up to 1,880°F, with a stainless steel housing, integrated heater element, advanced ceramic element and TSP coating that help it resist vibration and corrosion.
Fast response: Reaches operating temperature in under 10 seconds, so the ECU gets a signal sooner and can enter closed-loop control quickly after a cold start.
Easy install: A direct-fit connector and pre-applied conductive anti-seize on the threads simplify the swap.

Bosch invented the oxygen sensor and has supplied vehicle manufacturers for more than 50 years. Bosch covers its oxygen sensors with a 1-year, unlimited-mileage warranty on non-commercial passenger cars and light trucks.

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

Frequently Asked Questions

Will this Bosch O2 sensor fit a 2003-2004 Nissan Pathfinder?

Yes, the 15524 is listed for the 2003-2004 Nissan Pathfinder and is cataloged for the upstream position. The Buyer's Guide tab shows every listed application.

What does a switching-type oxygen sensor do?

It measures oxygen in the exhaust and sends an air-fuel-ratio signal to the ECU, which uses that signal to adjust fueling for combustion control and emissions.

How quickly does this sensor start working?

Bosch states its switching-type O2 sensors reach operating temperature in under 10 seconds. That gives the ECU a usable signal sooner for quick closed-loop control.

Is anything included to make installation easier?

Yes. The sensor has a direct-fit connector, and its threads come with conductive anti-seize already applied.

What are signs an oxygen sensor may need replacing?

A check engine light, rough idle, higher fuel use or a failed emissions test can be signs. These symptoms have other causes too, so diagnose the problem before replacing the sensor.