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Denso 234-2068 Oxygen Sensor - Downstream or Upstream
| Brand | Denso 234-2068 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Non Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 2 |
| Wiring Harness Length | 17.80 |
| Product line | OE Style |
| Fits | Geo and Toyota · 11 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Aluminum oxide trap layer. Helps protect the ceramic element from contamination.
Threaded, specific-fit design. Made for a direct, secure installation.
Cross-references ACDelco 213-433, ACDelco 213-1224 and BorgWarner OS1226 for the same application. See all 22.
OE-Style Oxygen Sensor for Toyota and Geo
This Denso OE Style oxygen sensor is a direct-fit emission control replacement built for specific applications on Toyota and Geo vehicles. It is engineered to match OE standards for fit and function, helping restore accurate exhaust feedback for the engine management system.
- OE Style, specific-fit oxygen sensor
- Non-heated design with 2-wire configuration
- Threaded mounting type with 0.708 thread diameter
- 17.80 wiring harness length
- Male connector for direct replacement use
- Built to strict OE standards for exact replacement fit
Denso OE Style Construction
Denso’s OE Style line is built as a precision replacement for the original sensor location and connector style. The sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable sensor operation and long service life. This part number, 234-2068, is a direct replacement choice for drivers servicing emissions and fuel-control issues on select Toyota Camry, Toyota Celica, Toyota MR2, and Geo Prizm applications.
This part cross-references Bosch (e.g., 12106, 13471) for the same application.
Vehicle Fitment
- Fits 1990-1992 Geo Prizm, downstream. California exempt parts can be used on pollution controlled vehicles in California.; OE Style
- Fits 1992 Toyota MR2, downstream. To 01/92; OE Style
- Fits 1990-1991 Toyota Camry, upstream. Calif.; Screw Type; OE Style
- Fits 1990-1991 Toyota Celica, upstream. California exempt parts can be used on pollution controlled vehicles in California.; OE Style
- Fits 1991 Toyota MR2, downstream. OE Style
- Fits 1989 Toyota Celica, upstream. Calif.; 2 Lead Sensor; OE Style
Common Repair Uses
- Restores oxygen sensor signal accuracy after sensor aging or contamination
- Addresses check engine light concerns tied to exhaust feedback faults
- Helps correct poor fuel economy caused by inaccurate air-fuel readings
- Supports smoother engine operation when the original sensor response slows
- Replaces a worn downstream or upstream sensor on listed Toyota and Geo models
Installation Notes and Tips
Verify the sensor position, connector style, wire count, and thread size before installation. This Denso 234-2068 is a specific-fit, threaded sensor with a male connector and non-heated design, so matching the original application details is important for proper installation. Confirm the vehicle year, model, and emissions notes for Toyota Camry, Toyota Celica, Toyota MR2, and Geo Prizm applications before ordering.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for replacement accuracy and consistent performance. The OE Style design focuses on first-time fit and dependable operation in the intended application.
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Geo | Prizm | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1992 | Toyota | MR2 | — | — | Downstream | To 01/92; OE Style |
| 1991 | Geo | Prizm | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1991 | Toyota | Camry | — | FWD | Upstream | Calif.; Screw Type; OE Style |
| 1991 | Toyota | Celica | — | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1991 | Toyota | MR2 | — | — | Downstream | OE Style |
| 1990 | Geo | Prizm | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1990 | Toyota | Camry | — | FWD | Upstream | Calif.; Screw Type; OE Style |
| 1990 | Toyota | Celica | — | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1989 | Toyota | Celica | ST | — | Upstream | Calif.; 2 Lead Sensor; OE Style |
| 1989 | Toyota | Celica | GT | — | Upstream | Calif.; 2 Lead Sensor; OE Style |
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