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WalkerPart #: 350-35123

Walker 350-35123 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
⚙️ 62 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$106.90Free 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, Upstream, Upstream Left, and Upstream Right
🚗Fitment: Audi, Ford, Lincoln, Porsche, and Volkswagen, 911, A3, Beetle, CC, Eos, Expedition, F-150, GTI, Jetta, Mark LT, and Navigator
🔄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 350-35123 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
| Brand | Walker |
| Part Number | 350-35123 |
| Position | OE Replacement, Upstream, Upstream Left, and Upstream Right |
| Heated | Yes |
| Sensor Type | Wide-band |
| Terminal Type | Spade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Connector Shape | Oblong |
| Terminal Gender | Male |
| Wrench Size | 22 |
| Thread Size | M18 - 1.5 |
| Overall Length | 758 |
| Mounting Type | Threaded |
This part fits 62 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2018 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2017 | Ford | Expedition | 3.5L | V6 | Upstream Left | B2S1; OE Replacement | |
| 2017 | Lincoln | Navigator | 3.5L | V6 | GAS | Upstream Left | B2S1; OE Replacement |
| 2017 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2017 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2016 | Ford | Expedition | 3.5L | V6 | Upstream Left | B2S1; OE Replacement | |
| 2016 | Ford | F-150 | 3.5L | V6 | GAS | Upstream Left | OE Replacement |
| 2016 | Lincoln | Navigator | 3.5L | V6 | GAS | Upstream Left | B2S1; OE Replacement |
| 2016 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2016 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2016 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2015 | Ford | Expedition | 3.5L | V6 | Upstream Left | B2S1; OE Replacement | |
| 2015 | Ford | F-150 | 3.5L | V6 | GAS | Upstream Left | B2S1; OE Replacement |
| 2015 | Lincoln | Navigator | 3.5L | V6 | GAS | Upstream Left | B2S1; OE Replacement |
| 2015 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2015 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2015 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2014 | Ford | Expedition | 5.4L | V8 | Upstream Left | OE Replacement | |
| 2014 | Ford | F-150 | 6.2L | V8 | Upstream Left | OE Replacement | |
| 2014 | Lincoln | Mark LT | 5.0L | V8 | Upstream Left | OE Replacement | |
| 2014 | Lincoln | Navigator | 5.4L | V8 | FLEX | Upstream Left | OE Replacement |
| 2014 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Replacement |
| 2014 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2014 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2014 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2013 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2013 | Ford | Expedition | 5.4L | V8 | Upstream Left | OE Replacement | |
| 2013 | Ford | F-150 | 6.2L | V8 | Upstream Left | OE Replacement | |
| 2013 | Lincoln | Mark LT | 5.0L | V8 | Upstream Left | OE Replacement | |
| 2013 | Lincoln | Navigator | 5.4L | V8 | Upstream Left | OE Replacement | |
| 2013 | Volkswagen | Beetle | 2.0L | L4 | Upstream | OE Replacement | |
| 2013 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2013 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2013 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2013 | Volkswagen | Jetta | 2.0L | L4 | Upstream | OE Replacement | |
| 2012 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2012 | Ford | Expedition | 5.4L | V8 | Upstream Left | B2S1; OE Replacement | |
| 2012 | Ford | F-150 | 6.2L | V8 | Upstream Left | OE Replacement | |
| 2012 | Lincoln | Mark LT | 5.0L | V8 | Upstream Left | OE Replacement | |
| 2012 | Lincoln | Navigator | 5.4L | V8 | FLEX | Upstream Left | OE Replacement |
| 2012 | Volkswagen | Beetle | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2012 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2012 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2012 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2012 | Volkswagen | Jetta | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2011 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2011 | Ford | Expedition | 5.4L | V8 | Upstream Left | B2S1; OE Replacement | |
| 2011 | Ford | F-150 | 6.2L | V8 | Upstream Left | OE Replacement | |
| 2011 | Lincoln | Mark LT | 5.0L | V8 | Upstream Left | OE Replacement | |
| 2011 | Lincoln | Navigator | 5.4L | V8 | FLEX | Upstream Left | From 12/17/2010; OE Replacement |
| 2011 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2011 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2010 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2010 | Volkswagen | CC | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2010 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2010 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2009 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2009 | Volkswagen | Eos | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2009 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2008 | Audi | A3 | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
| 2008 | Volkswagen | GTI | 2.0L | L4 | GAS | Upstream | B1S1; OE Replacement |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.