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WalkerPart #: 250-241309
Walker 250-241309 Oxygen Sensor - Downstream or Downstream Right
⚙️ 21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$106.96Free 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, Downstream and Downstream Right
🚗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
Not what you need? Click here for all Oxygen Sensor options
Walker 250-241309 Oxygen Sensor - Downstream or Downstream Right
| Brand | Walker |
| Part Number | 250-241309 |
| Position | OE Base Sensor, Downstream and Downstream Right |
| Heated | Yes |
| Wiring Harness Length | 455.00 |
| Sensor Type | Narrow-band |
| Terminal Type | Pressure contact |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Oval |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Female |
| Wrench Size | 22 |
| Thread Size | M18 - 1.5 |
| Overall Length | 488.00 |
| Mounting Type | Threaded |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | F-150 | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2025 | Ford | F-250 Super Duty | 7.3L | V8 | Downstream Right | OE Base Sensor | |
| 2025 | Ford | F-350 Super Duty | 7.3L | V8 | Downstream Right | OE Base Sensor | |
| 2024 | Ford | Expedition | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2024 | Ford | F-150 | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2024 | Ford | F-250 Super Duty | 7.3L | V8 | Downstream | OE Base Sensor | |
| 2024 | Ford | F-350 Super Duty | 7.3L | V8 | Downstream | OE Base Sensor | |
| 2024 | Lincoln | Navigator | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2023 | Ford | Expedition | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2023 | Ford | F-150 | 3.5L | V6 | GAS | Downstream Right | OE Base Sensor |
| 2023 | Ford | F-250 Super Duty | 7.3L | V8 | Downstream | OE Base Sensor | |
| 2023 | Ford | F-350 Super Duty | 7.3L | V8 | Downstream | OE Base Sensor | |
| 2023 | Lincoln | Navigator | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2022 | Ford | Expedition | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2022 | Ford | F-150 | 3.5L | V6 | GAS | Downstream Right | OE Base Sensor |
| 2022 | Ford | Ranger | 2.3L | L4 | Downstream | OE Base Sensor | |
| 2022 | Lincoln | Navigator | 3.5L | V6 | Downstream Right | OE Base Sensor | |
| 2021 | Ford | F-350 Super Duty | 6.2L | V8 | Downstream Right | OE Base Sensor | |
| 2021 | Ford | Ranger | 2.3L | L4 | Downstream | OE Base Sensor | |
| 2020 | Ford | Ranger | 2.3L | L4 | Downstream | OE Base Sensor | |
| 2019 | Ford | Ranger | 2.3L | L4 | Downstream | OE Base Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.