Oxygen Sensor for 2004 Jeep Wrangler & More - Bosch 15504

Bosch 15504 oxygen sensor for the 2004 Jeep Wrangler 6-cylinder 4.0L and other vehicles reads exhaust oxygen and reports the air-fuel ratio to the ECU. Its readings help the ECU control combustion and reduce emissions.

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

Quick facts

• Part: Bosch 15504 oxygen sensor
• Fits: 2004 Jeep Wrangler 6-cylinder 4.0L and other vehicles
• Position: upstream, downstream, upstream left, upstream right, downstream left, downstream right
• Material: Metal housing
• Condition: New

A check-engine light, rough idle or poorer fuel economy can mean an oxygen sensor is wearing out. Those signs alone do not prove the sensor is at fault; an exhaust leak is another common cause.

Fits

The fit includes the 2020-2023 Dodge Charger V8 5.7L and the 2022-2023 Chrysler 300 V8 5.7L, along with many Dodge, Jeep, Ram, Volkswagen and Mercedes-Benz models. Open the Buyer's Guide tab to check your exact model, year and engine. This listing is one sensor; the 2004 Jeep Wrangler 6-cylinder 4.0L takes one.

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 on the threads.
• The direct-fit connector is made for quick installation.