2-Pack Upstream & Downstream Oxygen Sensor Set For Toyota Tundra & 4Runner 2003-2004 – Direct Fit O2 With 1-Year Warranty

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Description

Got a 2003 or 2004 Toyota Tundra or 4Runner throwing an O2 code?
This 2-piece set from app-autoparts has you covered with both upstream and downstream sensors.
That's right, you get a pair – enough to knock out the front and rear positions on most V6 and V8 models.

2Pcs Upstream &Downstream O2 Oxygen Sensor Fits Toyota 4Runner 4.7L 2003-2004

They're direct fit replacements, so no hacking or splicing wires.

Denso Upstream & Downstream Oxygen Sensor Kit for Tundra 4.7L V8 4WD 2003- 2004

Just unplug the old ones and screw these in.

2003 Toyota 4Runner Oxygen Sensor

The part number is A991913AP01S, and they cross with E234-4138, E234-4260, E-234-4162, E-234-4169, and even EA234-4261, so you've got plenty of reference points.
They use blade-style terminals and screw-on attachment, just like the factory originals.
App-autoparts backs them with a solid 1-year warranty, so you can buy with confidence.

4PCS Left & Right Downstream Upstream Oxygen Sensor for 4Runner 2003

These sensors measure the oxygen content in your exhaust to keep your engine running efficiently – bad ones kill your fuel economy and can clog your cats.

Upstream Downstream 2Pcs S 234-9026 & 234-4624 For Toyota Tundra 2007-2013 Up/Downstream Oxygen Sensor

Fix that check engine light and get your MPGs back.
Installation is straightforward, even for a DIYer.

2pcs for Toyota Tundra 4.7L 2003-2004 Upstream Tajikistan

Just make sure your vehicle is cold before you start wrenching.
Great value for a complete set.

2Pcs UpDownstream Oxygen Sensor Fit Toyota Tundra Sequoia 4.7L 2004 03 02 01 00