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Denso 234-3003 Oxygen Sensor - Upstream
Overview of the Denso OE Style Oxygen Sensor 234-3003
The Denso OE Style Oxygen Sensor 234-3003 is designed specifically for select Chrysler, Dodge, and Plymouth vehicles. This heated oxygen sensor features a threaded mounting type and a 12.83-inch wiring harness, ensuring precise fitment and reliable performance in emission control systems.
- Heated oxygen sensor for faster warm-up and accurate readings
- Specific fit for Chrysler, Dodge, and Plymouth models
- Threaded mounting type with 0.708-inch thread diameter
- 12.83-inch wiring harness length with 3-wire configuration
- Male connector for secure electrical connection
Detailed Product Description
The Denso OE Style 234-3003 oxygen sensor is engineered to meet original equipment specifications for emission control. Its heated sensor type allows quicker activation, improving fuel efficiency and reducing emissions shortly after engine start. The sensor’s 12.83-inch wiring harness length and 3-wire design provide compatibility with the vehicle’s existing electrical system. The male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise installation. This sensor is a specific fit for various Chrysler, Dodge, and Plymouth models including Caravan, Charger, Dakota, Grand Caravan, Lancer, and Town & Country, among others.
About the Denso OE Style Product Line
The OE Style product line from Denso focuses on delivering parts that closely match original equipment specifications. This ensures that the 234-3003 oxygen sensor maintains the performance and reliability expected from factory-installed components. The OE Style line is designed to provide a direct replacement solution, minimizing installation issues and maintaining vehicle emission standards.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve rough idling and engine hesitation caused by faulty sensors
- Reduces increased emissions and failed emissions tests
- Improves fuel economy by ensuring efficient combustion
- Eliminates check engine light codes related to oxygen sensor malfunction
Installation Notes and Tips
When installing the Denso 234-3003 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length and connector gender match the vehicle’s harness to ensure proper connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow vehicle-specific service manual instructions for torque specifications and sensor location.
Quality Assurance and Warranty
Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-3003 sensor is backed by Denso’s quality assurance protocols. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.
| Brand | Denso |
| Part Number | 234-3003 |
| Position | OE Style, Upstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 3 |
| Wiring Harness Length | 12.83 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1988 | Chrysler | Daytona | Upstream | OE Style |
| 1988 | Chrysler | LeBaron | Upstream | OE Style |
| 1988 | Chrysler | New Yorker | Upstream | OE Style |
| 1988 | Chrysler | Town & Country | Upstream | OE Style |
| 1988 | Dodge | 600 | Upstream | OE Style |
| 1988 | Dodge | Aries | Upstream | OE Style |
| 1988 | Dodge | B150 | Upstream | OE Style |
| 1988 | Dodge | B250 | Upstream | OE Style |
| 1988 | Dodge | B350 | Upstream | OE Style |
| 1988 | Dodge | Caravan | Upstream | OE Style |
| 1988 | Dodge | D100 | Upstream | OE Style |
| 1988 | Dodge | D150 | Upstream | OE Style |
| 1988 | Dodge | D250 | Upstream | OE Style |
| 1988 | Dodge | Dakota | Upstream | OE Style |
| 1988 | Dodge | Daytona | Upstream | OE Style |
| 1988 | Dodge | Grand Caravan | Upstream | OE Style |
| 1988 | Dodge | Lancer | Upstream | OE Style |
| 1988 | Dodge | Ramcharger | Upstream | OE Style |
| 1988 | Dodge | Shadow | Upstream | OE Style |
| 1988 | Dodge | W100 | Upstream | OE Style |
| 1988 | Dodge | W150 | Upstream | OE Style |
| 1988 | Dodge | W250 | Upstream | OE Style |
| 1988 | Plymouth | Expo | Upstream | OE Style |
| 1988 | Plymouth | Grand Voyager | Upstream | OE Style |
| 1988 | Plymouth | Reliant | Upstream | OE Style |
| 1988 | Plymouth | Sundance | Upstream | OE Style |
| 1988 | Plymouth | Voyager | Upstream | OE Style |
| 1987 | Chrysler | Daytona | Upstream | OE Style |
| 1987 | Chrysler | LeBaron | Upstream | OE Style |
| 1987 | Chrysler | New Yorker | Upstream | OE Style |
| 1987 | Chrysler | Town & Country | Upstream | OE Style |
| 1987 | Dodge | 600 | Upstream | OE Style |
| 1987 | Dodge | Aries | Upstream | OE Style |
| 1987 | Dodge | Caravan | Upstream | OE Style |
| 1987 | Dodge | Charger | Upstream | OE Style |
| 1987 | Dodge | Dakota | Upstream | OE Style |
| 1987 | Dodge | Daytona | Upstream | OE Style |
| 1987 | Dodge | Grand Caravan | Upstream | OE Style |
| 1987 | Dodge | Lancer | Upstream | OE Style |
| 1987 | Dodge | Shadow | Upstream | OE Style |
| 1987 | Plymouth | Grand Voyager | Upstream | OE Style |
| 1987 | Plymouth | Reliant | Upstream | OE Style |
| 1987 | Plymouth | Sundance | Upstream | OE Style |
| 1987 | Plymouth | Voyager | Upstream | 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.