/live/media/NP/NP_2345731_Sid.jpg)
OE Quality
60-Day Returns
DensoPart #: 234-5731
Denso 234-5731 Air / Fuel Ratio Sensor - Upstream Left
⚙️ 3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$120.14Free 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
📦Air / Fuel Ratio Sensor - OE Style, Upstream Left
🚗Fitment: Ford, F-150
🔄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 Air / Fuel Ratio Sensor options
Denso 234-5731 Air / Fuel Ratio Sensor - Upstream Left
| Brand | Denso |
| Part Number | 234-5731 |
| Position | Air / Fuel Ratio Sensor - OE Style, Upstream Left |
| Wiring Harness Length | 24.53 |
| Sensor Type | Wide-band |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Standard replacement |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Ford | F-150 | Upstream Left | O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style |
| 2019 | Ford | F-150 | Upstream Left | O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style |
| 2018 | Ford | F-150 | Upstream Left | O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
234573127080JL3Z9F472B
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.