HomeEmission Control > SensorsWalker 350-34670 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 350-34670

Walker 350-34670 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

OE Replacement, Downstream, Downstream Right, and Downstream Left
⚙️ 21 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
$88.35Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
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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
📦OE Replacement, Downstream, Downstream Right, and Downstream Left
🚗Fitment: Ford and Lincoln, Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Navigator, and Ranger
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Walker 350-34670 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
BrandWalker
Part Number350-34670
PositionOE Replacement, Downstream, Downstream Right, and Downstream Left
HeatedYes
Wiring Harness Length455
Wire Gauge Measurement20
Sensor TypeNarrow-band
Terminal TypeSpade
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeRectangular
Terminal Quantity4
Connector GenderFemale
Terminal GenderFemale
Wrench Size22
Thread SizeM18 - 1.5
Overall Length480
Mounting TypeThreaded

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025FordF-1503.5LV6Downstream RightOE Replacement
2025FordF-250 Super Duty7.3LV8Downstream RightOE Replacement
2025FordF-350 Super Duty7.3LV8Downstream RightOE Replacement
2024FordExpedition3.5LV6Downstream RightOE Replacement
2024FordF-1503.5LV6Downstream RightOE Replacement
2024FordF-250 Super Duty7.3LV8DownstreamOE Replacement
2024FordF-350 Super Duty7.3LV8DownstreamOE Replacement
2024LincolnNavigator3.5LV6Downstream RightOE Replacement
2023FordExpedition3.5LV6Downstream RightOE Replacement
2023FordF-1503.5LV6GASDownstream RightOE Replacement
2023FordF-250 Super Duty7.3LV8DownstreamOE Replacement
2023FordF-350 Super Duty7.3LV8DownstreamOE Replacement
2022FordExpedition3.5LV6Downstream RightOE Replacement
2022FordF-1503.5LV6GASDownstream RightOE Replacement
2022FordF-350 Super Duty6.2LV8Downstream LeftOE Replacement
2022FordRanger2.3LL4DownstreamOE Replacement
2021FordF-250 Super Duty6.2LV8Downstream RightOE Replacement
2021FordF-350 Super Duty6.2LV8Downstream RightOE Replacement
2021FordRanger2.3LL4DownstreamOE Replacement
2020FordRanger2.3LL4DownstreamOE Replacement
2019FordRanger2.3LL4DownstreamOE Replacement

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