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Denso 234-4080 Oxygen Sensor - Downstream
| Brand | Denso 234-4080 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 23.82 |
| Product line | OE Style |
| Fits | Suzuki and Chevrolet · 10 vehicles |
OE-style replacement. Precision-built for an exact, first-time fit.
Heated sensor. Helps maintain accurate emissions monitoring and engine performance.
Threaded mounting. Installs with a secure, direct-fit connection.
Cross-references ACDelco 213-3004, ACDelco 213-4278 and BorgWarner OS1519 for the same application. See all 12.
Denso OE Style Oxygen Sensor 234-4080
Denso 234-4080 is an OE Style heated oxygen sensor built for direct replacement in specific downstream applications. It is engineered for the 2001-2005 Suzuki Grand Vitara, 2001-2004 Chevrolet Tracker, and 2004 Suzuki Vitara, with the correct fit and connector layout for the listed vehicles.
Key Features
- Heated oxygen sensor for downstream exhaust monitoring
- Specific fit design for direct replacement
- 4-wire configuration with male connector
- Threaded mounting type with 0.708 in. thread diameter
- Wiring harness length: 23.82 in.
- OE Style construction for factory-style replacement fitment
OE Style Construction
Denso’s OE Style line is built to match original equipment requirements for fit and function. This sensor uses precision-built components for a first-time fit and includes Denso’s aluminum oxide trap layer, which helps protect the ceramic element from silicone and lead contamination. That protection supports stable engine management, improved fuel economy, and longer service life in demanding exhaust conditions. Denso 234-4080 is a direct-fit choice for drivers servicing a downstream oxygen sensor on a Suzuki Grand Vitara, Chevrolet Tracker, or Suzuki Vitara.
This part cross-references Bosch 15041 and NTK 24280 for the same application.
What It Helps Address
- Check engine light related to downstream oxygen sensor performance
- Incorrect air-fuel ratio feedback from a worn sensor
- Reduced fuel economy caused by inaccurate exhaust readings
- Rough engine operation tied to faulty emissions monitoring
- Emissions test failures caused by sensor degradation
Installation Notes and Tips
Install Denso 234-4080 only in the listed downstream positions for the confirmed vehicle applications. Verify the threaded mounting point, 4-wire connector, and harness length before installation. For best results, inspect the exhaust threads and connector condition before swapping the sensor, and confirm the replacement matches the original sensor location on the vehicle.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for consistent fit and performance. The OE Style design supports accurate replacement on the specified Suzuki and Chevrolet applications, including the 2001-2005 Suzuki Grand Vitara, 2001-2004 Chevrolet Tracker, and 2004 Suzuki Vitara.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Suzuki | Grand Vitara | Downstream | OE Style |
| 2004 | Chevrolet | Tracker | Downstream | OE Style |
| 2004 | Suzuki | Grand Vitara | Downstream | OE Style |
| 2004 | Suzuki | Vitara | Downstream | OE Style |
| 2003 | Chevrolet | Tracker | Downstream | OE Style |
| 2003 | Suzuki | Grand Vitara | Downstream | OE Style |
| 2002 | Chevrolet | Tracker | Downstream | OE Style |
| 2002 | Suzuki | Grand Vitara | Downstream | OE Style |
| 2001 | Chevrolet | Tracker | Downstream | OE Style |
| 2001 | Suzuki | Grand Vitara | Downstream | OE Style |
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