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Denso 234-4922 Oxygen Sensor - Downstream Left or Downstream Right
Denso OE Style Oxygen Sensor 234-4922
Denso 234-4922 is an OE Style heated oxygen sensor built for direct replacement on select Lexus applications. It is engineered for exact fitment and stable signal performance, with a threaded mounting design and a 4-wire male connector for straightforward OE-style service.
Key Features
- Heated oxygen sensor for faster operating response
- Specific fit design for direct replacement
- 4-wire configuration with male connector
- Threaded mounting type with 0.708 in. thread diameter
- 21.34 in. wiring harness length
- OE Style construction for select Lexus downstream positions
OE Style Design Details
Denso’s OE Style line is built to match original equipment fit and function, making 234-4922 a practical choice for downstream oxygen sensor replacement. The sensor uses precision-built components and Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting consistent engine management performance and long service life. This part cross-references Bosch 18110 for the same application.
Vehicle Fitment
- Fits 2014 Lexus IS250, downstream left.
- Fits 2014 Lexus IS250, downstream right.
- Fits 2014 Lexus IS350, downstream left.
- Fits 2014 Lexus IS350, downstream right.
- Fits 2013 Lexus GS450h, downstream right.
Common Replacement Uses
- Replacing a failed downstream oxygen sensor
- Addressing check engine light concerns related to sensor output
- Restoring air-fuel monitoring accuracy after sensor aging
- Correcting drivability issues tied to inaccurate exhaust feedback
- Replacing a damaged threaded sensor or connector
Installation Notes and Tips
Confirm the downstream left or downstream right location before ordering, since this sensor is specific to the listed applications. Verify connector style, thread diameter, and harness length against the original part before installation. Use proper oxygen sensor service procedures to avoid damaging the sensing element or wiring during removal and replacement.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The OE Style design is intended to provide a first-time fit on the listed Lexus applications, including 2014 Lexus IS250, 2014 Lexus IS350, and 2013 Lexus GS450h.
| Brand | Denso |
|---|---|
| Part Number | 234-4922 |
| Position | OE Style, Downstream Right and Downstream Left |
| Wiring Harness Length | 21.34 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Lexus | IS250 | RWD | Downstream Left | OE Style |
| 2014 | Lexus | IS250 | Downstream Right | OE Style | |
| 2014 | Lexus | IS350 | RWD | Downstream Left | OE Style |
| 2014 | Lexus | IS350 | Downstream Right | OE Style | |
| 2013 | Lexus | GS450h | Downstream Right | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.