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NTKPart #: 22051
NTK 22051 Oxygen Sensor - Downstream Left or Downstream Right
⚙️ 32 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$54.71Free 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
📦Direct Fit Oxygen Sensor, Downstream Right and Downstream Left
🚗Fitment: Ford, 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
Not what you need? Click here for all Oxygen Sensor options
NTK 22051 Oxygen Sensor - Downstream Left or Downstream Right
| Brand | NTK |
| Part Number | 22051 |
| Position | Direct Fit Oxygen Sensor, Downstream Right and Downstream Left |
| Wiring Harness Length | 16.0 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Type | Threaded |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2020 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2019 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2019 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2018 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2018 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 5.0L | V8 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 5.0L | V8 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 3.5L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 3.5L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 2.7L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2017 | Ford | F-150 | 2.7L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2017 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2017 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 5.0L | V8 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 5.0L | V8 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 3.5L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 3.5L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 2.7L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2016 | Ford | F-150 | 2.7L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2016 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2016 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 5.0L | V8 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 5.0L | V8 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 3.5L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 3.5L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 2.7L | V6 | Downstream Right | B1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor |
| 2015 | Ford | F-150 | 2.7L | V6 | Downstream Left | Replacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor |
| 2015 | Ford | Mustang | 5.2L | V8 | Downstream Right | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2015 | Ford | Mustang | 5.2L | V8 | Downstream Left | OE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor |
| 2015 | Ford | Mustang | 3.7L | V6 | Downstream Right | B1S2; To 7/19/15; OE MFR: NTK; Direct Fit Oxygen Sensor |
| 2015 | Ford | Mustang | 3.7L | V6 | Downstream Left | B2S2; To 7/19/15; OE MFR: NTK; Direct Fit Oxygen Sensor |
* 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:
234-4968FL3Z9G444B
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.