Denso 234-4033 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Precise Emission Control

The Denso OE Style 234-4033 oxygen sensor is engineered to provide accurate air-fuel mixture readings for specific vehicle applications. Designed with a heated sensor element and a threaded mounting type, this oxygen sensor ensures efficient engine performance and emission control.

• Heated oxygen sensor for faster response times
• Specific fit for precise compatibility
• 24.61-inch wiring harness length for optimal installation
• Four-wire design with male connector for secure connection
• Thread diameter of 0.708 inches with threaded mounting

Detailed Features and Specifications

This Denso oxygen sensor, part number 234-4033, belongs to the OE Style product line, which focuses on delivering original equipment quality and fitment. The heated sensor type allows the unit to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The 24.61-inch wiring harness length provides sufficient reach for installation in specific vehicle models, while the four-wire configuration supports both the sensor signal and heater circuit. The male connector and threaded mounting type ensure a secure and reliable fit, matching factory specifications for a seamless replacement.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Reduces engine hesitation and rough idling
• Improves fuel efficiency by optimizing combustion
• Prevents check engine light triggers related to oxygen sensor faults
• Supports emission system compliance and reduces harmful exhaust gases

Installation Notes and Tips

When installing the Denso 234-4033 oxygen sensor, ensure the threaded mounting is properly tightened to factory torque specifications to avoid exhaust leaks. The 24.61-inch wiring harness length should be routed away from hot engine components to prevent damage. Confirm connector compatibility with the vehicle’s male connector to ensure a secure electrical connection. This sensor is designed for specific fitment, so verify vehicle compatibility before installation.

Quality Assurance and Warranty

Denso’s OE Style line maintains strict quality control standards to meet original equipment specifications. This oxygen sensor is manufactured to provide reliable performance and durability under normal operating conditions. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.