HomeEmission Control > SensorsDenso 234-4973 Oxygen Sensor - Downstream or Downstream Right
Part #: 234-4973

Denso 234-4973 Oxygen Sensor - Downstream or Downstream Right

Oxygen Sensor - OE Style, Downstream Right and Downstream
⚙️ 19 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$173.23Free Shipping
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*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
📦Oxygen Sensor - OE Style, Downstream Right and Downstream
🚗Fitment: BMW, i8, M2, M3, and M4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Denso 234-4973 Oxygen Sensor - Downstream or Downstream Right
BrandDenso
Part Number234-4973
PositionOxygen Sensor - OE Style, Downstream Right and Downstream
Wiring Harness Length26.54
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderMale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2021BMWM2Downstream RightO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2020BMWi8BaseDownstreamOE Style
2020BMWM2Downstream RightOE Style
2020BMWM4Downstream RightOE Style
2019BMWi8BaseDownstreamOE Style
2019BMWM2Downstream RightOE Style
2019BMWM4Downstream RightOE Style
2018BMWM3Downstream RightOE Style
2018BMWM4Downstream RightOE Style
2017BMWi8DownstreamOE Style
2017BMWM3Downstream RightOE Style
2017BMWM4Downstream RightOE Style
2016BMWi8DownstreamOE Style
2016BMWM3Downstream RightOE Style
2016BMWM4Downstream RightOE Style
2015BMWi8DownstreamOE Style
2015BMWM3Downstream RightOE Style
2015BMWM4Downstream RightOE Style
2014BMWi8DownstreamOE Style

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

This part directly replaces or is cross-referenced with the following part numbers:

1178784848711788617030

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.