HomeEmission Control > SensorsDenso 234-4218 Oxygen Sensor - Downstream
Part #: 234-4218

Denso 234-4218 Oxygen Sensor - Downstream

OE Style, Downstream
⚙️ 8 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, Downstream
🚗Fitment: Honda, Fit and Insight
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4218

The Denso OE Style Oxygen Sensor 234-4218 is designed specifically for Honda Fit and Insight models. This heated oxygen sensor features a 31.61-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable performance in emission control systems.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Honda Fit and Insight vehicles
  • 31.61-inch wiring harness length for optimal installation
  • Threaded mounting type with 0.708-inch thread diameter
  • Four-wire configuration with female connector

Detailed Product Description

This Denso oxygen sensor, part number 234-4218, is engineered to meet the exact specifications of Honda Fit and Insight models. The sensor type is heated, which allows it to reach operating temperature quickly for faster and more accurate readings of oxygen levels in the exhaust gases. The 31.61-inch wiring harness length provides sufficient reach for proper installation without excess slack. Featuring a threaded mounting type with a 0.708-inch thread diameter, this sensor ensures a secure and leak-free fit. The four-wire design includes a female connector, facilitating straightforward electrical connections with the vehicle’s wiring harness.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that closely replicate original equipment specifications. This oxygen sensor is part of that line, offering a direct replacement solution that maintains factory performance standards. The OE Style sensors are designed to integrate seamlessly with the vehicle’s emission control system, supporting compliance with emissions regulations and maintaining engine efficiency.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture readings for Honda Fit and Insight
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing accurate exhaust gas data
  • Helps reduce harmful emissions by ensuring correct sensor operation
  • Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Denso 234-4218 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector type match the vehicle’s specifications. Tighten the sensor to the recommended torque to prevent exhaust leaks. It is advisable to check for any diagnostic trouble codes after installation to confirm proper sensor function.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and accuracy. The OE Style 234-4218 sensor is built to provide consistent performance in emission control applications. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.

BrandDenso
Part Number234-4218
PositionOE Style, Downstream
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length31.61

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2014HondaFitDownstreamOE Style
2013HondaFitDownstreamOE Style
2012HondaFitDownstreamOE Style
2011HondaFitDownstreamOE Style
2011HondaInsightDownstreamOE Style
2010HondaFitDownstreamOE Style
2010HondaInsightDownstreamOE Style
2009HondaFitDownstreamOE 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:

18035

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