HomeEmission Control > SensorsWalker 350-34665 Oxygen Sensor - Downstream or Downstream Right
Part #: 350-34665

Walker 350-34665 Oxygen Sensor - Downstream or Downstream Right

OE Replacement, Downstream and Downstream Right
⚙️ 35 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$74.90Free 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.
🔥
✅ 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: Ford and Lincoln, Bronco, Edge, Nautilus, Transit-150, Transit-250, Transit-350, and Transit-350 HD
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Walker 350-34665 Oxygen Sensor - Downstream or Downstream Right
BrandWalker
Part Number350-34665
PositionOE Replacement, Downstream and Downstream Right
HeatedYes
Sensor TypeNarrow-band
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeOblong
Terminal Quantity4
Connector GenderMale
Terminal GenderFemale
Wrench Size22
Thread SizeM18 - 1.5
Overall Length318
Mounting TypeThreaded

This part fits 35 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2025FordTransit-150RWD3.5LV6Downstream RightOE Replacement
2025FordTransit-250RWD3.5LV6Downstream RightOE Replacement
2025FordTransit-350RWD3.5LV6Downstream RightOE Replacement
2025FordTransit-350 HDRWD3.5LV6Downstream RightOE Replacement
2024FordBronco2.3LL4DownstreamOE Replacement
2024FordEdge2.0LL4DownstreamOE Replacement
2024FordTransit-150RWD3.5LV6GASDownstream RightOE Replacement
2024FordTransit-250RWD3.5LV6GASDownstream RightOE Replacement
2024FordTransit-350RWD3.5LV6GASDownstream RightOE Replacement
2024FordTransit-350 HDRWD3.5LV6GASDownstream RightOE Replacement
2023FordBronco2.3LL4DownstreamOE Replacement
2023FordEdge2.0LL4DownstreamOE Replacement
2023FordTransit-1503.5LV6GASDownstream RightOE Replacement
2023FordTransit-2503.5LV6GASDownstream RightOE Replacement
2023FordTransit-3503.5LV6GASDownstream RightOE Replacement
2023FordTransit-350 HD3.5LV6GASDownstream RightOE Replacement
2023LincolnNautilus2.0LL4DownstreamOE Replacement
2022FordBronco2.3LL4DownstreamOE Replacement
2022FordTransit-1503.5LV6GASDownstream RightOE Replacement
2022FordTransit-2503.5LV6GASDownstream RightOE Replacement
2022FordTransit-3503.5LV6GASDownstream RightOE Replacement
2022FordTransit-350 HD3.5LV6GASDownstream RightOE Replacement
2022LincolnNautilus2.0LL4DownstreamOE Replacement
2021FordBronco2.3LL4DownstreamOE Replacement
2021FordTransit-150AWD3.5LV6GASDownstream RightOE Replacement
2021FordTransit-2503.5LV6GASDownstream RightOE Replacement
2021FordTransit-3503.5LV6GASDownstream RightOE Replacement
2021FordTransit-350 HD3.5LV6GASDownstream RightOE Replacement
2021LincolnNautilus2.0LL4DownstreamOE Replacement
2020FordTransit-150AWD3.5LV6GASDownstream RightOE Replacement
2020FordTransit-2503.5LV6GASDownstream RightOE Replacement
2020FordTransit-3503.5LV6GASDownstream RightOE Replacement
2020FordTransit-350 HD3.5LV6GASDownstream RightOE Replacement
2020LincolnNautilus2.0LL4DownstreamOE Replacement
2019LincolnNautilus2.0LL4DownstreamOE Replacement

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