Oxygen Sensor for 2003-2005 Chevrolet Silverado 1500 & More - Bosch 15284

Bosch 15284 oxygen sensor for the 2003-2005 Chevrolet Silverado 1500 V8 5.3L and other vehicles reads the oxygen level in the exhaust and sends the signal to the ECU. The ECU uses that signal to adjust fueling in closed-loop control.

• Switching-type narrow-band design with an integrated heater element
• Air-fuel-ratio feedback to the ECU supports stable combustion control and lower emissions
• Metal housing and TSP coating resist vibration, corrosion and contamination in exhaust up to 1,880°F
• Reaches operating temperature in under 10 seconds for quick closed-loop control and cold-start performance

Quick facts

• Part: Bosch 15284 oxygen sensor
• Fits: 2003-2005 Chevrolet Silverado 1500 V8 5.3L and other vehicles
• Position: Upstream, downstream
• Material: Metal (housing)
• Condition: New

A rough idle, weak fuel economy or a check engine light can mean the oxygen sensor is worn, though a leaking exhaust manifold gasket or a damaged wiring connector can be behind them too. Find the cause before you replace it.

Fits

This oxygen sensor fits the 2003-2005 Chevrolet Silverado 1500 V8 5.3L, the 2003-2005 Chevrolet Tahoe V8 5.3L, the 2003-2005 GMC Sierra 1500 V8 5.3L and many other vehicles. The 2003-2005 Chevrolet Silverado 1500 V8 5.3L takes two, and this listing is one sensor. If your vehicle is not named here, look it up under the "Vehicles it fits" section before you order.

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.