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WalkerPart #: 250-241329
Walker 250-241329 Oxygen Sensor - Downstream or Upstream
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$94.43Free 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 Upstream
🚗Fitment: Audi, A6 Quattro, Q5, Q5 PHEV, and Q7
🔄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 250-241329 Oxygen Sensor - Downstream or Upstream
| Brand | Walker |
| Part Number | 250-241329 |
| Position | OE Base Sensor, Downstream and Upstream |
| Heated | Yes |
| Sensor Type | Narrow-band |
| Terminal Type | Spade |
| Wire Quantity | 4 |
| Connector Shape | Oblong |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Thread Size | M18 - 1.5 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2024 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2023 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2022 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2022 | Audi | Q7 | 2.0L | L4 | Upstream | OE Base Sensor |
| 2021 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2021 | Audi | Q7 | 2.0L | L4 | Upstream | OE Base Sensor |
| 2020 | Audi | A6 Quattro | 2.0L | L4 | Downstream | OE Base Sensor |
| 2020 | Audi | Q5 | 2.0L | L4 | Downstream | OE Base Sensor |
| 2020 | Audi | Q5 PHEV | 2.0L | L4 | Downstream | OE Base Sensor |
| 2019 | Audi | A6 Quattro | 2.0L | L4 | Downstream | OE Base Sensor |
| 2019 | Audi | Q5 | 2.0L | L4 | Downstream | From 11/13/2018; OE Base Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.