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WalkerPart #: 250-25176

Walker 250-25176 Oxygen Sensor - Upstream Left or Upstream Right
⚙️ 15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$193.17Free 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 Base Sensor, Upstream Right and Upstream Left
🚗Fitment: Ford, E-350 Super Duty, Explorer, F-150, and Mustang
🔄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 250-25176 Oxygen Sensor - Upstream Left or Upstream Right
| Brand | Walker |
| Part Number | 250-25176 |
| Position | OE Base Sensor, Upstream Right and Upstream Left |
| Heated | Yes |
| Sensor Type | Wide-band |
| Terminal Type | Spade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Connector Shape | Oblong |
| Terminal Quantity | 5 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Wrench Size | 22 |
| Thread Size | M18 - 1.5 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | E-350 Super Duty | 7.3L | V8 | Upstream Left | OE Base Sensor | |
| 2024 | Ford | E-350 Super Duty | 7.3L | V8 | Upstream Left | OE Base Sensor | |
| 2024 | Ford | F-150 | 5.2L | V8 | Upstream Right | OE Base Sensor | |
| 2023 | Ford | E-350 Super Duty | 7.3L | V8 | Upstream Left | OE Base Sensor | |
| 2023 | Ford | Explorer | 3.3L | V6 | Upstream Right | OE Base Sensor | |
| 2023 | Ford | F-150 | 5.2L | V8 | Upstream Right | OE Base Sensor | |
| 2022 | Ford | E-350 Super Duty | 7.3L | V8 | Upstream Left | OE Base Sensor | |
| 2022 | Ford | Explorer | 3.3L | V6 | Upstream Right | OE Base Sensor | |
| 2022 | Ford | F-150 | 5.0L | V8 | FLEX | Upstream Right | OE Base Sensor |
| 2022 | Ford | Mustang | 5.2L | V8 | Upstream Right | OE Base Sensor | |
| 2021 | Ford | E-350 Super Duty | 7.3L | V8 | Upstream Left | OE Base Sensor | |
| 2021 | Ford | Explorer | 3.3L | V6 | Upstream Right | OE Base Sensor | |
| 2021 | Ford | Mustang | 5.2L | V8 | Upstream Right | OE Base Sensor | |
| 2020 | Ford | Explorer | 3.3L | V6 | Upstream Right | OE Base Sensor | |
| 2020 | Ford | Mustang | 5.2L | V8 | Upstream Right | OE Base Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.