HomeDenso 234-4427 Oxygen Sensor - Downstream
Part #: 234-4427

Denso 234-4427 Oxygen Sensor - Downstream

OE Style, Downstream
2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Suzuki, Forenza and Reno
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Overview of Denso OE Style Oxygen Sensor 234-4427

The Denso OE Style Oxygen Sensor 234-4427 is designed specifically for Suzuki Forenza models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a female connector, ensuring a secure and accurate fit for your vehicle.

  • Heated oxygen sensor for faster response times
  • Specific fit for Suzuki Forenza
  • Threaded mounting with 0.708-inch thread diameter
  • 4-wire configuration with female connector
  • 8.66-inch wiring harness length for optimal installation

Detailed Product Description

This Denso oxygen sensor, part number 234-4427, belongs to the OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is engineered to meet or exceed factory specifications, ensuring compatibility and reliable performance. This sensor is a heated type, which helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions.

The sensor’s 4-wire design supports both the heating element and signal wires, while the female connector ensures a secure electrical connection. The 0.708-inch threaded mounting type allows for straightforward installation in the exhaust system of Suzuki Forenza vehicles. With an 8.66-inch wiring harness length, this sensor provides sufficient reach for proper placement without excess slack.

Common Applications and Issues Addressed

  • Helps maintain optimal air-fuel mixture for Suzuki Forenza engines
  • Reduces emissions by accurately monitoring exhaust gases
  • Prevents engine performance issues related to faulty oxygen sensors
  • Resolves check engine light triggers caused by sensor failure
  • Improves fuel economy by providing accurate feedback to the engine control unit

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old sensor to avoid burns
  • Use appropriate tools for threaded sensor removal and installation
  • Verify connector type matches the vehicle harness (female connector)
  • Check wiring harness length (8.66 inches) for proper routing and fit
  • Apply anti-seize compound on threads if recommended by manufacturer

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 234-4427 undergoes rigorous testing to comply with OEM specifications for Suzuki Forenza vehicles. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship to support long-term use.

BrandDenso
Part Number234-4427
PositionOE Style, Downstream
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length8.66

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2005SuzukiForenzaDownstreamOE Style
2004SuzukiForenzaDownstreamOE 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:

213-1490

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