Oxygen Sensor for 2003 Honda Accord - Bosch 15409

Bosch 15409 oxygen sensor for the 2003 Honda Accord 4-cylinder 2.4L sends air-fuel-ratio readings from the exhaust to the ECU. This Bosch O2 sensor is a downstream unit that helps the ECU hold stable combustion control and reduce emissions.

• Switching-type narrow-band sensor with an integrated heater element
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Metal housing with a TSP coating to resist vibration, corrosion and contamination
• Withstands exhaust streams up to 1,880°F

Quick facts

• Part: Bosch 15409 oxygen sensor
• Fits: 2003 Honda Accord 4-cylinder 2.4L
• Position: Downstream
• Material: Metal housing
• Condition: New

A check engine light, rough running or lower fuel economy can mean a worn oxygen sensor. A vacuum leak, an exhaust leak, a misfiring spark plug or damaged wiring can also be behind those signs, so find the cause before you buy. If a worn downstream sensor is the cause, this one replaces it.

Fits

Bosch 15409 is a direct-fit replacement oxygen sensor for the 2003 Honda Accord 4-cylinder 2.4L (L4-2.4L), in the downstream position.

Specifications

In the box

One oxygen sensor with its wiring harness. This listing is one sensor, and the 2003 Honda Accord 4-cylinder 2.4L takes one. 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.