Oxygen Sensor for 2003-2006 Chevrolet Silverado 1500 & More - Walker 250-241119

Walker Products 250-241119 oxygen sensor for the 2003-2005 Chevrolet Silverado 1500 V8 4.8L, the 2003-2006 Silverado 1500 V6 4.3L or V8 6.0L and other vehicles measures the oxygen in the exhaust gas to show how efficiently the engine is burning fuel.

• 4-wire, narrow-band design
• Electrodes with a gas-permeable platinum layer
• Electrode coating protects the surfaces from contamination and erosion by combustion residue and particulates
• Built for its specific sensor position, with the diagnostic feedback the ECU needs
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-241119 oxygen sensor
• Fits: the 2003-2005 Chevrolet Silverado 1500 V8 4.8L, the 2003-2006 Silverado 1500 V6 4.3L or V8 6.0L and other vehicles
• Position: upstream left, upstream right, downstream left, downstream right
• Condition: New

A failing sensor can show up as an engine that runs poorly, higher fuel consumption or exhaust emissions, or a lit malfunction indicator light. Before you replace the sensor, rule out physical damage to its wiring harness and connector, since damage there can also shorten a sensor's life.

Fits

This oxygen sensor also fits the 2003-2005 Chevrolet Tahoe V8 4.8L and the 2003-2005 GMC Sierra 1500 V8 4.8L. It is sold as a single sensor, and the 2003-2005 Chevrolet Tahoe V8 4.8L takes one. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications