Walker Products 250-241212 oxygen sensor for the 2019-2024 Chevrolet Silverado 1500 V8 5.3L, the 2020-2021 Silverado 1500 V6 4.3L, the 2020-2024 Silverado 1500 V8 6.2L and other vehicles measures the oxygen in the exhaust gas to track combustion efficiency. This Walker Products oxygen sensor is a narrow-band, direct-fit design made for its specific application and fitment position.
- Reads exhaust oxygen content to monitor the air-fuel ratio for combustion efficiency
- Monitors exhaust gases to help cut pollutants
- Electrodes carry a gas-permeable platinum layer
- Electrode coating guards against contamination and erosion from combustion residue and particulates in the exhaust
- Provides the diagnostic system feedback the ECU requires
Quick facts
- Part: Walker Products 250-241212 oxygen sensor
- Fits: the 2019-2024 Chevrolet Silverado 1500 V8 5.3L, the 2020-2021 Silverado 1500 V6 4.3L, the 2020-2024 Silverado 1500 V8 6.2L and other vehicles
- Condition: New
A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light, though other faults can produce these too. Before you replace it, look over the sensor, wiring harness and connector for physical damage with the engine off, and have a shop test the rest.
Fits
It is listed for a wide range of Chevrolet, GMC, Cadillac and Buick models, including the 2021-2024 Chevrolet Tahoe V8 5.3L or 6.2L. Among GMC models it is an oxygen sensor for the 2017-2023 GMC Acadia V6 3.6L. This listing is one sensor, and the 2021-2024 Chevrolet Tahoe V8 5.3L or 6.2L takes one.
Specifications
Fit and size
- Quantity per vehicle: varies by application
- Thread size: M18 - 1.5
Build and materials
- Type: narrow-band
- Electrodes: gas-permeable platinum layer
- Condition: New
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this the right Chevy Silverado 1500 oxygen sensor for a 2020-2021 Silverado 1500 V6 4.3L?
Yes. The Walker Products 250-241212 is listed for the 2020-2021 Chevrolet Silverado 1500 V6 4.3L, and each of those trucks takes one.
Will a Chevy Tahoe oxygen sensor like this fit a 2021-2024 Tahoe V8 5.3L or 6.2L?
Yes, it is listed for the 2021-2024 Chevrolet Tahoe V8 5.3L and V8 6.2L. If your car is not named here, look it up in the "Vehicles it fits" section before you order.
Is the 250-241212 a narrow-band oxygen sensor?
Yes. The Walker Products 250-241212 is a narrow-band, direct-fit sensor with an M18 - 1.5 thread.
Could rough running or a check engine light point to a worn narrow-band oxygen sensor?
It can be one possible cause. A failed sensor can make the engine run poorly, raise fuel consumption and exhaust emissions, or turn on the malfunction indicator light.
What does the platinum layer on this sensor's electrodes do?
The electrodes are coated with a gas-permeable platinum layer. The coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust.
