Oxygen Sensor for 2001-2004 Kia Spectra - Bosch 15643

Bosch 15643 oxygen sensor for the 2001-2004 Kia Spectra 4-cylinder 1.8L reads oxygen in the exhaust and reports the air-fuel ratio to the ECU. This upstream Bosch O2 sensor helps the ECU hold combustion steady and keep emissions down.

• Heated narrow-band design with an integrated heater element
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Metal housing with a TSP coating that resists vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880°F

Quick facts

• Part: Bosch 15643 oxygen sensor
• Fits: 2001-2004 Kia Spectra 4-cylinder 1.8L
• Position: Upstream
• Material: Metal housing
• Condition: New

A check engine light, a rough idle or poorer fuel economy can be signs of a worn sensor. Before you replace it, rule out a damaged wire or connector and an exhaust leak near the sensor, since either can mimic a failing one.

Fits

The 2001-2004 Kia Spectra 4-cylinder 1.8L takes one upstream sensor, and this listing is that single sensor.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included, and the old one may not be reusable.

Installation notes

• Conductive anti-seize is pre-applied to the threads.
• Direct-fit connectors are meant for quick installation.