HomeEmission Control > SensorsDenso 234-9033 Air / Fuel Ratio Sensor - Upstream
Part #: 234-9033

Denso 234-9033 Air / Fuel Ratio Sensor - Upstream

OE Style, Upstream
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Suzuki, SX4
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9033 is designed specifically for Suzuki SX4 models, ensuring precise air and fuel mixture readings. This heated sensor features a 15.35-inch wiring harness and a male connector, tailored for direct replacement applications.

  • Heated sensor type for faster response times
  • Specific fit for Suzuki SX4 vehicles
  • 15.35-inch wiring harness length for optimal installation
  • Four-wire configuration with male connector
  • Thread diameter of 0.711 inches for secure mounting
  • Regular grade type for standard performance requirements

Detailed Product Description

The Denso 234-9033 air/fuel ratio sensor is engineered to provide accurate feedback to the engine control unit by measuring the oxygen content in the exhaust gases. This heated sensor type helps the engine reach operating temperature quickly, improving fuel efficiency and emissions control. With a wiring harness length of 15.35 inches and a four-wire setup, it offers reliable connectivity and compatibility with the Suzuki SX4. The male connector and 0.711-inch thread diameter ensure a secure and precise fit, maintaining the integrity of the emission control system.

About the OE Style Product Line

The Denso OE Style line focuses on delivering parts that meet original equipment specifications for direct fit and function. The 234-9033 sensor is part of this line, providing a replacement that matches the factory sensor in design and performance. This ensures that Suzuki SX4 owners receive a component that integrates seamlessly with their vehicle’s emission control system without modification.

Common Applications and Issues Addressed

  • Restores accurate air/fuel ratio readings for optimal engine performance
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring proper combustion
  • Reduces harmful emissions by maintaining correct sensor operation
  • Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-9033 sensor on a Suzuki SX4, ensure the wiring harness is routed away from hot exhaust components to prevent damage. Use appropriate tools to avoid damaging the 0.711-inch threaded sensor body during installation. Verify connector polarity and secure the male connector firmly to avoid electrical issues. It is recommended to check for any diagnostic trouble codes before and after installation to confirm proper sensor function.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports the longevity of the Suzuki SX4’s engine management system.

BrandDenso
Part Number234-9033
PositionOE Style, Upstream
Connector GenderMale
Grade TypeRegular
Sensor TypeHeated
Thread Diameter0.711
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length15.35

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2009SuzukiSX4UpstreamOE Style
2008SuzukiSX4UpstreamOE Style
2007SuzukiSX4UpstreamOE 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:

18059

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