HomeEmission Control > SensorsDenso 234-3003 Oxygen Sensor - Upstream
Part #: 234-3003

Denso 234-3003 Oxygen Sensor - Upstream

OE Style, Upstream
⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Chrysler, Dodge, and Plymouth, TC Maserati, Daytona, LeBaron, New Yorker, Town & Country, 600, Aries, B150, B250, B350, Caravan, D100, D150, D250, Dakota, Dynasty, Grand Caravan, Lancer, Mini Ram, Omni, Ramcharger, Shadow, W100, W150, W250, Caravelle, Expo, Grand Voyager, Horizon, Reliant, Sundance, Voyager, and Charger
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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.

BrandDenso
Part Number234-3003
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity3
Wiring Harness Length12.83

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
1988ChryslerDaytonaUpstreamOE Style
1988ChryslerLeBaronUpstreamOE Style
1988ChryslerNew YorkerUpstreamOE Style
1988ChryslerTown & CountryUpstreamOE Style
1988Dodge600UpstreamOE Style
1988DodgeAriesUpstreamOE Style
1988DodgeB150UpstreamOE Style
1988DodgeB250UpstreamOE Style
1988DodgeB350UpstreamOE Style
1988DodgeCaravanUpstreamOE Style
1988DodgeD100UpstreamOE Style
1988DodgeD150UpstreamOE Style
1988DodgeD250UpstreamOE Style
1988DodgeDakotaUpstreamOE Style
1988DodgeDaytonaUpstreamOE Style
1988DodgeGrand CaravanUpstreamOE Style
1988DodgeLancerUpstreamOE Style
1988DodgeRamchargerUpstreamOE Style
1988DodgeShadowUpstreamOE Style
1988DodgeW100UpstreamOE Style
1988DodgeW150UpstreamOE Style
1988DodgeW250UpstreamOE Style
1988PlymouthExpoUpstreamOE Style
1988PlymouthGrand VoyagerUpstreamOE Style
1988PlymouthReliantUpstreamOE Style
1988PlymouthSundanceUpstreamOE Style
1988PlymouthVoyagerUpstreamOE Style
1987ChryslerDaytonaUpstreamOE Style
1987ChryslerLeBaronUpstreamOE Style
1987ChryslerNew YorkerUpstreamOE Style
1987ChryslerTown & CountryUpstreamOE Style
1987Dodge600UpstreamOE Style
1987DodgeAriesUpstreamOE Style
1987DodgeCaravanUpstreamOE Style
1987DodgeChargerUpstreamOE Style
1987DodgeDakotaUpstreamOE Style
1987DodgeDaytonaUpstreamOE Style
1987DodgeGrand CaravanUpstreamOE Style
1987DodgeLancerUpstreamOE Style
1987DodgeShadowUpstreamOE Style
1987PlymouthGrand VoyagerUpstreamOE Style
1987PlymouthReliantUpstreamOE Style
1987PlymouthSundanceUpstreamOE Style
1987PlymouthVoyagerUpstreamOE 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:

213-1229

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.