Front Oxygen (O2) Sensor / used
Seller: Marketplace seller
$42
Asking
Quick reference
Identify
- Service part
- Pending
- Block casting
- Pending
- VIN digit 8
- Pending
Years
- Application
- 2015-2020 Mustang GTs or F-150 5
Power
- Engine
- 5L V8 Naturally Aspirated Coyote V8 (435hp)
- Codes
- Pending
- Inventory
- $42 asking
What to know before swapping
435hp rating in 2018 is atypical (standard is 460hp); verify build date for correct sensor revision
Left and right sensors are not interchangeable due to wire harness length differences
2018+ Gen 3 Coyote uses different PCM calibration; while FR3Z and JR3Z sensors physically fit, mixing across model years may trigger fuel trim variance codes
Context
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Context
Read the full notes
For the S550 Ford Mustang, the front O2 sensors are wideband air/fuel ratio sensors mounted directly in the exhaust manifolds. If your 2018 shows 435hp instead of the standard 460hp, verify whether it carries the early FR3Z-9F472-A/B sensors or the later JR3Z-9F472-A/B revision. When pulling from junkyards, target 2015-2020 Mustang GTs or F-150 5.0L trucks—look for the gray connector (upstream) versus black (downstream). The Bosch 0258017025 casting is the critical identifier across platforms. Installation requires anti-seize on the threads and careful routing away from the catalytic converter heat shield; torque to 30 ft-lbs. Common failures include heater circuit codes (P0135/P0155) and contamination from coolant or oil exposure.
OEM numbers
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Confirmed fitment
Applications
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts
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