Walker Products Oxygen Sensor P/N:350-341045

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$66.99
MPN: 350-341045
UPC: 724620118616
Item Package Quantity: 1
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Walker Products Oxygen Sensor P/N:350-341045
Walker Products Oxygen Sensor P/N:350-341045
$66.99

Give the engine's air-fuel feedback loop an accurate signal with the Walker Products Oxygen Sensor 350-341045, a heated 4-wire narrow-band, direct-fit sensor for the listed Ford and Lincoln applications — including the 2018-2021 Ford F-150 [V6-3.5L], 2018-2019 and 2020-2021 Ford Expedition [V6-3.5L], 2020-2022 Ford F-250 and F-350 Super Duty [V8-7.3L], 2018-2022 Ford Mustang [L4-2.3L], 2019-2023 Ford Transit Connect [L4-2.0L], 2016-2019 Ford Transit-150/-250/-350 [V6-3.5L] and 2018-2022 Lincoln Navigator [V6-3.5L]. See the Buyer's Guide tab for the full list.

Mounted in the exhaust, the sensor measures combustion efficiency based on the amount of oxygen in the exhaust gas, monitoring the air-fuel ratio so the ECU can fine-tune the mixture.

  • Narrow-band, heated 4-wire design: engineered as an OE-replacement built for the specific application and fitment position.
  • Platinum electrodes: coated with a gas-permeable platinum layer for reading the exhaust gas.
  • Protective coating: helps prevent contamination and erosion of the electrode surfaces by combustion residue and particulates.
  • Fitment hardware: female spade terminals, oblong connector, threaded mounting, 22 mm wrench size.

A failing sensor may cause the engine to run poorly, increase fuel consumption or emissions, or illuminate the malfunction indicator lamp (MIL); the sensor, wiring harness, and connector should be checked for physical damage. Diagnose the cause before replacing. Manufacturer part number 350-341045. Country of origin: China.

Frequently Asked Questions

What does this oxygen sensor do?

It measures the amount of oxygen in the exhaust gas to monitor the air-fuel ratio, giving the ECU the feedback it needs to fine-tune the mixture for combustion efficiency.

Is this a heated sensor and how many wires does it have?

Yes. It is a heated, narrow-band sensor with a 4-wire connection using female spade terminals and an oblong connector.

Which vehicles does 350-341045 fit?

It is a direct-fit for listed Ford and Lincoln models such as the F-150, Expedition, F-250/F-350 Super Duty, Mustang, Transit Connect, Transit vans and Navigator. Check the Buyer's Guide tab for your exact year and engine.

How many sensors do I need?

Quantity varies by application; most listed vehicles use one, while some (such as the 2018-2019 Expedition [V6-3.5L]) list two. This listing is for one sensor.

What are signs this sensor may need replacing?

Poor running, higher fuel consumption or emissions, or an illuminated MIL can indicate a failed sensor. Inspect the sensor, harness, and connector, and diagnose the cause before replacing.