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Denso 234-4031 Oxygen Sensor - Upstream
| Brand | Denso 234-4031 |
|---|---|
| Position | Upstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 12.80 |
| Product line | OE Style |
| Fits | Suzuki · 3 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support faster operation and consistent performance.
Threaded mounting. Designed for a secure, straightforward installation.
Cross-references ACDelco 213-1354, BorgWarner OS1152 and Bosch 15287 for the same application. See all 9.
Denso OE Style Oxygen Sensor for Suzuki Sidekick
The Denso 234-4031 oxygen sensor is an OE-style, specific-fit replacement built for precise installation and reliable exhaust monitoring. It is a heated, threaded sensor with a 4-wire male connector and a 12.80-inch wiring harness, made for 1996-1998 Suzuki Sidekick upstream applications.
Key Features
- OE Style replacement from Denso for direct-fit service
- Heated oxygen sensor for faster operating response
- Specific fit design for 1996-1998 Suzuki Sidekick upstream locations
- 4-wire configuration with male connector
- Threaded mounting with 0.708-inch thread diameter
- 12.80-inch wiring harness length for proper routing
- Built to OE standards with Denso’s aluminum oxide trap layer for added protection against silicone and lead contamination
Detailed Description
Denso 234-4031 is an OE-style oxygen sensor engineered for the upstream position on the 1996-1998 Suzuki Sidekick. As a heated, specific-fit sensor, it is designed to match the original mounting and electrical layout for straightforward replacement and accurate exhaust feedback. This part cross-references Bosch 15287 and NTK 24238 for the same application.
Denso’s OE-style sensor line is manufactured and tested to strict original-equipment standards, with precision-built components intended to deliver a first-time fit. The sensor’s protective aluminum oxide trap layer helps shield the ceramic element from silicone and lead contamination, supporting stable engine performance, fuel efficiency, and long service life. The Denso 234-4031 is a practical choice when replacing a worn upstream oxygen sensor on a Suzuki Sidekick.
What This Oxygen Sensor Helps Address
- Check engine light caused by oxygen sensor failure
- Rough idle or inconsistent air-fuel control
- Reduced fuel economy from inaccurate exhaust readings
- Slow sensor response during closed-loop operation
- Emissions test failures related to a faulty upstream sensor
Installation Notes and Tips
Verify the upstream location before ordering, since this sensor is specific to 1996-1998 Suzuki Sidekick applications. Confirm connector style, wire count, and thread size against the original part before installation. Use proper oxygen sensor service tools and follow factory torque specifications to avoid thread damage or exhaust leaks.
Quality Assurance
Denso manufactures this OE Style oxygen sensor to strict original-equipment standards and tests each component for fit and performance consistency. The design focuses on accurate replacement, dependable operation, and long-term durability in the exhaust stream.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Suzuki | Sidekick | Upstream | OE Style |
| 1997 | Suzuki | Sidekick | Upstream | OE Style |
| 1996 | Suzuki | Sidekick | Upstream | OE Style |
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