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Walker 350-341055 Oxygen Sensor - Downstream or Downstream RightOE Quality 60-Day Returns
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Part #: 350-341055

Walker 350-341055 Oxygen Sensor - Downstream or Downstream Right

OE Replacement, Downstream and Downstream Right
⚙️ 109 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$126.45Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Replacement, Downstream and Downstream Right
🚗Fitment: BMW, 230i, 230i xDrive, 330e, 330e xDrive, 330i, 330i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 520i, 530e, 530e xDrive, 530i, 530i xDrive, 750i xDrive, 750Li xDrive, Alpina B8 Gran Coupe, Alpina XB7, M550i xDrive, M760i xDrive, M850i xDrive, M850i xDrive Gran Coupe, X3, X4, X5, X6, X7, and Z4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Walker 350-341055 Oxygen Sensor - Downstream or Downstream Right
BrandWalker
Part Number350-341055
PositionOE Replacement, Downstream and Downstream Right
HeatedYes
Wiring Harness Length825
Wire Gauge Measurement20
Sensor TypeNarrow-band
Terminal TypePin
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeOblong
Terminal Quantity4
Connector GenderFemale
Terminal GenderMale
Wrench Size22
Thread SizeM18 - 1.5
Overall Length850
Mounting TypeThreaded

This part fits 109 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025BMW230i2.0LL4DownstreamOE Replacement
2025BMW230i xDrive2.0LL4DownstreamOE Replacement
2025BMWAlpina B8 Gran Coupe4.4LV8Downstream RightOE Replacement
2025BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2025BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2025BMWX42.0LL4DownstreamOE Replacement
2025BMWZ42.0LL4DownstreamOE Replacement
2024BMW230i2.0LL4DownstreamOE Replacement
2024BMW230i xDrive2.0LL4DownstreamOE Replacement
2024BMW330e2.0LL4DownstreamOE Replacement
2024BMW330e xDrive2.0LL4DownstreamOE Replacement
2024BMW330i2.0LL4DownstreamOE Replacement
2024BMW330i xDrive2.0LL4DownstreamOE Replacement
2024BMW430i2.0LL4DownstreamOE Replacement
2024BMW430i Gran Coupe2.0LL4DownstreamOE Replacement
2024BMW430i xDrive2.0LL4DownstreamOE Replacement
2024BMW430i xDrive Gran Coupe2.0LL4DownstreamOE Replacement
2024BMWAlpina B8 Gran Coupe4.4LV8Downstream RightOE Replacement
2024BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2024BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2024BMWX32.0LL4DownstreamOE Replacement
2024BMWX42.0LL4DownstreamOE Replacement
2024BMWZ42.0LL4DownstreamOE Replacement
2023BMW230i2.0LL4DownstreamOE Replacement
2023BMW230i xDrive2.0LL4DownstreamOE Replacement
2023BMW330e2.0LL4DownstreamOE Replacement
2023BMW330e xDrive2.0LL4DownstreamOE Replacement
2023BMW330i2.0LL4DownstreamOE Replacement
2023BMW330i xDrive2.0LL4DownstreamOE Replacement
2023BMW430i2.0LL4DownstreamOE Replacement
2023BMW430i Gran Coupe2.0LL4DownstreamOE Replacement
2023BMW430i xDrive2.0LL4DownstreamOE Replacement
2023BMW430i xDrive Gran Coupe2.0LL4DownstreamOE Replacement
2023BMW530e2.0LL4DownstreamOE Replacement
2023BMW530e xDrive2.0LL4DownstreamOE Replacement
2023BMW530i2.0LL4DownstreamOE Replacement
2023BMW530i xDrive2.0LL4DownstreamOE Replacement
2023BMWAlpina B8 Gran Coupe4.4LV8Downstream RightOE Replacement
2023BMWM550i xDrive4.4LV8Downstream RightOE Replacement
2023BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2023BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2023BMWX32.0LL4DownstreamOE Replacement
2023BMWX42.0LL4DownstreamOE Replacement
2023BMWX5M50i4.4LV8Downstream RightOE Replacement
2023BMWX64.4LV8Downstream RightOE Replacement
2023BMWZ42.0LL4DownstreamOE Replacement
2022BMW230i2.0LL4DownstreamOE Replacement
2022BMW330e2.0LL4DownstreamOE Replacement
2022BMW330e xDrive2.0LL4DownstreamOE Replacement
2022BMW330i2.0LL4Downstreamw/ SULEV spec; OE Replacement
2022BMW330i xDrive2.0LL4DownstreamOE Replacement
2022BMW430i2.0LL4DownstreamOE Replacement
2022BMW430i Gran Coupe2.0LL4DownstreamOE Replacement
2022BMW430i xDrive2.0LL4DownstreamOE Replacement
2022BMW530e2.0LL4DownstreamOE Replacement
2022BMW530e xDrive2.0LL4DownstreamOE Replacement
2022BMW530i2.0LL4DownstreamOE Replacement
2022BMW530i xDrive2.0LL4DownstreamOE Replacement
2022BMW750i xDrive4.4LV8Downstream RightOE Replacement
2022BMWAlpina B8 Gran Coupe4.4LV8Downstream RightOE Replacement
2022BMWAlpina XB74.4LV8Downstream RightOE Replacement
2022BMWM550i xDrive4.4LV8Downstream RightOE Replacement
2022BMWM760i xDrive6.6LV12Downstream RightOE Replacement
2022BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2022BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2022BMWX32.0LL4DownstreamOE Replacement
2022BMWX42.0LL4DownstreamOE Replacement
2022BMWX5M50i4.4LV8Downstream RightOE Replacement
2022BMWX64.4LV8Downstream RightOE Replacement
2022BMWX74.4LV8Downstream RightOE Replacement
2022BMWZ42.0LL4DownstreamOE Replacement
2021BMW330e2.0LL4DownstreamOE Replacement
2021BMW330e xDrive2.0LL4DownstreamOE Replacement
2021BMW330i2.0LL4DownstreamOE Replacement
2021BMW330i xDrive2.0LL4DownstreamOE Replacement
2021BMW430i2.0LL4DownstreamOE Replacement
2021BMW430i xDrive2.0LL4DownstreamOE Replacement
2021BMW530e2.0LL4DownstreamOE Replacement
2021BMW530e xDrive2.0LL4DownstreamOE Replacement
2021BMW530i2.0LL4DownstreamOE Replacement
2021BMW530i xDrive2.0LL4DownstreamOE Replacement
2021BMW750i xDrive4.4LV8Downstream RightOE Replacement
2021BMWAlpina XB74.4LV8Downstream RightOE Replacement
2021BMWM550i xDrive4.4LV8Downstream RightOE Replacement
2021BMWM760i xDrive6.6LV12Downstream RightOE Replacement
2021BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2021BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2021BMWX32.0LL4PLUG-IN HYBRID EV-GAS (PHEV)DownstreamOE Replacement
2021BMWX64.4LV8Downstream RightOE Replacement
2021BMWX74.4LV8Downstream RightOE Replacement
2021BMWZ42.0LL4DownstreamOE Replacement
2020BMW330e2.0LL4DownstreamOE Replacement
2020BMW330i2.0LL4DownstreamOE Replacement
2020BMW330i xDrive2.0LL4DownstreamOE Replacement
2020BMW520i2.0LL4DownstreamEngine Designation : B48D; OE Replacement
2020BMW750i xDrive4.4LV8Downstream RightOE Replacement
2020BMW750Li xDrive4.4LV8Downstream RightOE Replacement
2020BMWM550i xDrive4.4LV8Downstream RightOE Replacement
2020BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2020BMWM850i xDrive Gran Coupe4.4LV8Downstream RightOE Replacement
2020BMWX32.0LL4PLUG-IN HYBRID EV-GAS (PHEV)DownstreamOE Replacement
2020BMWX54.4LV8Downstream RightOE Replacement
2020BMWX64.4LV8Downstream RightOE Replacement
2020BMWX74.4LV8Downstream RightOE Replacement
2020BMWZ42.0LL4DownstreamOE Replacement
2019BMW520i2.0LL4DownstreamEngine Designation : B48D; OE Replacement
2019BMWM850i xDrive4.4LV8Downstream RightOE Replacement
2019BMWZ42.0LL4DownstreamOE Replacement
2018BMW520i2.0LL4DownstreamEngine Designation : B48D; OE Replacement

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

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