Denso 234-5748 Air / Fuel Ratio Sensor - Upstream Left
| Brand | Denso 234-5748 |
|---|---|
| Position | Upstream Left |
| Wiring Harness Length | 37.0079 |
| Sensor Type | Wide-band |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Standard replacement |
| Connector Gender | Male |
| Product line | Air / Fuel Ratio Sensor - OE Style |
| Fits | Ford and Lincoln · 11 vehicles |
OE-style replacement. Built to strict OE standards for exact replacement and a first-time fit.
Wide-band design. Provides precise air/fuel ratio monitoring for listed applications.
Specific-fit application. Uses a 5-wire layout with a male connector and 37.0079-inch harness.
Cross-references L1MZ9F472A for the same application. See all 1.
OE-Style Air/Fuel Ratio Sensor
This Denso air/fuel ratio sensor is a specific-fit, wide-band replacement built to OE standards for accurate signal control and a first-time fit. It is engineered for applications that require a male connector and a 5-wire configuration, with a 37.0079-inch harness length.
Fits 2020-2024 Lincoln Aviator, upstream left. Fits 2021-2022 Ford Explorer, upstream left. Fits 2020-2022 Ford Police Interceptor Utility, upstream left. Fits 2020 Ford Explorer, upstream left, from 05/06/2019.
- Wide-band sensor design for precise air/fuel ratio monitoring
- Specific-fit replacement for direct application matching
- Standard replacement grade for OE-style service work
- Male connector with 5-wire layout for the listed applications
What This Sensor Helps Address
- Incorrect air/fuel ratio readings
- Check engine light concerns related to sensor performance
- Driveability issues caused by inaccurate exhaust feedback
- Hard starting or rough running tied to mixture control faults
- Failed emissions testing caused by sensor degradation
Installation Notes
Verify connector style, wire count, and harness length before installation. This sensor is listed for upstream left placement only, so match the vehicle application and note details exactly as shown in the fitment data. For Ford Explorer and Lincoln Aviator applications, confirm the model year and the 05/06/2019 note where applicable.
Quality Assurance
Denso manufactures and tests these sensors to OE standards for exact replacement and consistent fit. Part number 234-5748 cross-references L1MZ9F472A for the same application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2024 | Lincoln | Aviator | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2023 | Lincoln | Aviator | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2022 | Ford | Explorer | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2022 | Ford | Police Interceptor Utility | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2022 | Lincoln | Aviator | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2021 | Ford | Explorer | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2021 | Ford | Police Interceptor Utility | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2021 | Lincoln | Aviator | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2020 | Ford | Explorer | Upstream Left | From 05/06/2019; Air / Fuel Ratio Sensor - OE Style |
| 2020 | Ford | Police Interceptor Utility | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
| 2020 | Lincoln | Aviator | Upstream Left | Air / Fuel Ratio Sensor - OE Style |
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