Rear Oxygen Sensor for 2017-2020 Toyota Sienna - Walker 250-241209

$76.99

WARNING:California Proposition 65▾

Walker Products Oxygen Sensor 250-241209

Walker Products Oxygen Sensor 250-241209 - view 2

Walker Products Oxygen Sensor 250-241209 - view 3

Walker Products Oxygen Sensor 250-241209 - view 4

Part number: 250-241209

UPC: 724620129810

Condition: New

Weight: 0.26 LBS

Item Package Code: EA

Part Has Core (Y/N): N

Item Package Quantity: 1

$76.99

Current Stock: 22

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Walker Products Oxygen Sensor P/N:250-241209

$76.99

Description

Walker Products 250-241209 rear oxygen sensor for the 2017-2020 Toyota Sienna V6 3.5L measures exhaust oxygen to gauge combustion efficiency. This Walker Products oxygen sensor is a 4-wire, narrow-band, direct-fit unit made for its specific application and position.

Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gas
Electrodes with a gas-permeable platinum layer
Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio
Monitors exhaust gases to help reduce pollutants

Quick facts

Part: Walker Products 250-241209 rear oxygen sensor
Fits: 2017-2020 Toyota Sienna V6 3.5L
Position: Downstream rear
Condition: New

A failing sensor can show up as an engine that runs poorly, higher fuel consumption, more exhaust emissions or a lit check engine light. A damaged wiring harness or connector can sit behind the same symptoms, so look those over and pin down the cause before you buy a sensor.

Fits

This rear oxygen sensor is a direct-fit replacement for the 2017-2020 Toyota Sienna V6 3.5L.

Specifications

Fit and size

Position: Downstream rear
Quantity per vehicle: 1
Thread size: M18 - 1.5

Build and materials

Type: Narrow-band
Number of wires: 4
Electrodes: gas-permeable platinum layer
Electrode surfaces: coated
Condition: New

In the box

One rear oxygen sensor. This listing is a single sensor, and the 2017-2020 Toyota Sienna V6 3.5L takes one.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

Buyer's Q&A

Frequently Asked Questions

Is this oxygen sensor for the 2017-2020 Toyota Sienna V6 3.5L a rear sensor?

Yes. Walker Products 250-241209 is the downstream rear oxygen sensor for the 2017-2020 Toyota Sienna V6 3.5L, and the vehicle takes one.

Is this rear oxygen sensor narrow-band or wideband?

Narrow-band. This rear oxygen sensor has 4 wires and is a direct-fit unit made for its specific application and position.

What thread size does the Walker Products 250-241209 have?

The Walker Products 250-241209 has an M18 - 1.5 thread.

What can a failing rear oxygen sensor cause?

Signs can include an engine that runs poorly, increased fuel consumption or a lit malfunction indicator light. Newer vehicles also store fault codes in the ECU.

What does the coating on this rear oxygen sensor protect?

The coating guards the electrode surfaces against contamination and erosion from combustion residue and particulates in the exhaust gas. The electrodes use a gas-permeable platinum layer.

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Rear Oxygen Sensor for 2017-2020 Toyota Sienna - Walker 250-241209