Oxygen Sensor for 1999-2000 Jeep Grand Cherokee - Bosch 13139

Bosch 13139 oxygen sensor for the 1999-2000 Jeep Grand Cherokee V8 4.7L reads exhaust oxygen and reports the air-fuel ratio to the ECU. This Bosch O2 sensor is a narrow-band heated switching-type unit that helps the engine control keep combustion stable and helps reduce emissions.

• Metal housing with an integrated heater element and TSP coating to resist vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880°F
• Reaches operating temperature in under 10 seconds for quick closed-loop control and cold-start performance
• Narrow-band heated sensor with a four-wire round female connector

Quick facts

• Part: Bosch 13139 oxygen sensor
• Fits: 1999-2000 Jeep Grand Cherokee V8 4.7L
• Position: Downstream
• Material: Metal housing
• Condition: New

A check engine light with an oxygen sensor code, or a drop in fuel economy, can mean a sensor is worn. An exhaust leak, a damaged wire or a failing catalytic converter can also be behind those signs, so find the cause before buying a sensor.

Fits

This is a direct-fit replacement for the 1999-2000 Jeep Grand Cherokee V8 4.7L, which takes one downstream sensor, and this listing is that one sensor.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included.

Installation notes

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