Oxygen Sensor for 2004-2006 Pontiac GTO & More - Bosch 15561

Bosch 15561 oxygen sensor for the 2004 Pontiac GTO V8 5.7L, the 2005-2006 GTO V8 6.0L and other vehicles measures oxygen in the exhaust and reports the air-fuel ratio to the ECU. As a heated, switching-type narrow-band sensor, it helps the ECU hold stable combustion control and keep emissions down.

• Switching-type narrow-band design for precise air-fuel-ratio feedback to the ECU
• Metal housing, integrated heater element and TSP coating to resist vibration, corrosion and contamination
• Built for exhaust streams up to 1,880°F
• Reaches operating temperature in under 10 seconds for quick closed-loop control

Quick facts

• Part: Bosch 15561 oxygen sensor
• Fits: the 2004 Pontiac GTO V8 5.7L, the 2005-2006 GTO V8 6.0L and other vehicles
• Position: Upstream, downstream
• Material: Metal housing
• Condition: New

An exhaust leak, a vacuum leak or a worn spark plug can be behind a check engine light, a rough idle or poor fuel economy just as a tired oxygen sensor can, so find out which one it is before you buy.

Fits

Listed for a wide range of Chevrolet and Pontiac models, including the 2004-2005 Chevrolet Aveo 4-cylinder 1.6L and the 2005 Pontiac Wave 4-cylinder 1.6L, which take one sensor each; the 2004 Pontiac GTO V8 5.7L and the 2005-2006 GTO V8 6.0L take two. This listing is one sensor. If your car is not named here, look it up in the "Vehicles it fits" section.

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 are made for quick installation.