Home› Emission Control > Sensors› Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream RightOE Quality 60-Day Returns
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right - view 1
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right - view 2
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right - view 3
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right - view 4
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right - view 5
Part #: 350-35144

Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right

OE Replacement, Upstream Rear, Upstream, and Upstream Right
⚙️ 73 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$88.02Free 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, Upstream Rear, Upstream, and Upstream Right
🚗Fitment: Ford, Land Rover, Lincoln, Mazda, and Mercury, E-150, E-250, E-350 Super Duty, Econoline Van, Econoline Wagon, Edge, Escape, Expedition, Explorer, F-150, F-250 Super Duty, F-350 Super Duty, Flex, Focus, Fusion, Mariner, Milan, MKS, MKT, MKZ, Mustang, Navigator, Range Rover, Range Rover Sport, Sable, Taurus, Taurus X, and Tribute
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Oxygen Sensor options
Walker 350-35144 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right
BrandWalker
Part Number350-35144
PositionOE Replacement, Upstream Rear, Upstream, and Upstream Right
HeatedYes
Wire Gauge Measurement20.00
Sensor TypeWide-band
Terminal TypeSpade
Universal Or Specific FitSpecific
Wire Quantity5
Grade TypeStandard replacement
Connector ShapeOblong
Terminal GenderMale
Wrench Size22
Thread SizeM18 - 1.5
Overall Length458
Mounting TypeThreaded

This part fits 73 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2021Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2021Land RoverRange Rover Sport3.0LV6DIESELUpstreamOE Replacement
2020Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2020Land RoverRange Rover Sport3.0LV6DIESELUpstreamB1S1; OE Replacement
2019Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2019Land RoverRange Rover Sport3.0LV6DIESELUpstreamB1S1; OE Replacement
2018Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2018Land RoverRange Rover Sport3.0LV6DIESELUpstreamB1S1; OE Replacement
2017Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2017Land RoverRange Rover Sport3.0LV6DIESELUpstreamB1S1; OE Replacement
2016Land RoverRange Rover3.0LV6DIESELUpstreamOE Replacement
2016Land RoverRange Rover Sport3.0LV6DIESELUpstreamB1S1; OE Replacement
2012FordEdge2.0LL4UpstreamB1S1; OE Replacement
2012FordEscapeAutomatic CVT2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2012FordExplorer2.0LL4UpstreamB1S1; OE Replacement
2012FordFocus2.0LL4UpstreamB1S1; OE Replacement
2012FordFusion2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2012FordTaurus3.5LV6Upstream RearOE Replacement
2012LincolnMKZ2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2011FordE-1505.4LV8Upstream RightB1S1; OE Replacement
2011FordE-2505.4LV8Upstream RightB1S1; OE Replacement
2011FordE-350 Super Duty5.4LV8Upstream RightB1S1; OE Replacement
2011FordEconoline Van4.6LV8Upstream RightTo 2/10/2011; OE Replacement
2011FordEconoline Wagon5.4LV8Upstream RightTo 02/10/2011; OE Replacement
2011FordEscapeAutomatic CVT2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2011FordExpedition5.4LV8Upstream RightB1S1; OE Replacement
2011FordF-1506.2LV8Upstream RightTo 01/03/2011; OE Replacement
2011FordF-250 Super Duty6.2LV8Upstream RightTo 05/02/2011; OE Replacement
2011FordF-350 Super Duty6.2LV8Upstream RightTo 05/02/2011; OE Replacement
2011FordFlex3.5LV6Upstream RearTo 12/23/2010; OE Replacement
2011FordFusion2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2011FordMustang5.0LV8Upstream RightOE Replacement
2011FordTaurus3.5LV6Upstream RearTo 01/10/2011; OE Replacement
2011LincolnMKS3.7LV6GASUpstream RearTo 12/22/2010; OE Replacement
2011LincolnMKT3.7LV6GASUpstream RearTo 12/13/2010; OE Replacement
2011LincolnMKZ2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2011LincolnNavigator5.4LV8FLEXUpstream RightTo 12/17/2010; OE Replacement
2011MercuryMariner2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2011MercuryMilan2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2010FordE-1505.4LV8Upstream RightB1S1; OE Replacement
2010FordE-2505.4LV8Upstream RightB1S1; OE Replacement
2010FordE-350 Super Duty5.4LV8Upstream RightB1S1; OE Replacement
2010FordEconoline Van4.6LV8Upstream RightOE Replacement
2010FordEconoline Wagon5.4LV8Upstream RightOE Replacement
2010FordEscape2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2010FordExpedition5.4LV8Upstream RightB1S1; OE Replacement
2010FordF-1505.4LV8Upstream RightB1S1; OE Replacement
2010FordFlex3.5LV6Upstream RearB1S1; OE Replacement
2010FordFusion2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2010FordTaurus3.5LV6Upstream RearOE Replacement
2010LincolnMKS3.7LV6GASUpstream RearOE Replacement
2010LincolnMKT3.7LV6GASUpstream RearOE Replacement
2010LincolnNavigator5.4LV8FLEXUpstream RightOE Replacement
2010MazdaTribute2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2010MercuryMariner2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2010MercuryMilan2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2009FordE-1505.4LV8Upstream RightB1S1; OE Replacement
2009FordE-2505.4LV8Upstream RightB1S2; OE Replacement
2009FordE-350 Super Duty5.4LV8Upstream RightB1S1; OE Replacement
2009FordEscape2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2009FordExpedition5.4LV8Upstream RightB1S1; OE Replacement
2009FordF-1505.4LV8Upstream RightB1S1; OE Replacement
2009FordFlex3.5LV6Upstream RearB1S1; OE Replacement
2009FordTaurus3.5LV6Upstream RearCalif-ESV; OE Replacement
2009FordTaurus X3.5LV6Upstream RearCalif-ESV; OE Replacement
2009LincolnMKS3.7LV6GASUpstream RearOE Replacement
2009LincolnNavigator5.4LV8FLEXUpstream RightOE Replacement
2009MazdaTribute2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2009MercuryMariner2.5LL4FULL HYBRID EV-GAS (FHEV)UpstreamB1S1; OE Replacement
2009MercurySable3.5LV6GASUpstream RearCalif-ESV; OE Replacement
2008FordTaurus3.5LV6Upstream RearCalif-ESV; OE Replacement
2008FordTaurus X3.5LV6Upstream RearCalif-ESV; OE Replacement
2008MercurySable3.5LV6GASUpstream RearCalif-ESV; OE Replacement

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

Related Articles