Oxygen O2 Sensor Upstream Downstream for 03 04 05 Chevrolet Silverado 1500 5.3L

This Oxygen O2 Sensor is a new, aftermarket replacement part that has the following specifications:

Direct Fit

Correct Connector No cutting or splicing

Enough wire length.

4 wire configuration.

Replace for part number:234-4668, 15284, 21546, SG1857

For clarification purposes:

Upstream location is between the catalytic converter and the engine

Downstream location is between the catalytic converter and the tailpipe

Warm prompt:

Thanks for your coming. To satisfy, please pay more attention to confirm the connector of this item is whether matched with your car before purchase.

Have a happy shopping.

Features?

High Quality

Easy install

Simple operation

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Package Include:

4 x Oxygen Sensor as pictured