Denso 234-4649 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Chevrolet, Geo, Pontiac, and Suzuki Vehicles

The Denso OE Style Oxygen Sensor 234-4649 is designed to provide precise emissions control for specific vehicle models including Chevrolet Sidekick, Geo Tracker, Pontiac Sunrunner, and Suzuki Vitara and X-90. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for Chevrolet, Geo, Pontiac, and Suzuki models
• 24.41-inch wiring harness length for proper installation
• Four-wire configuration with male connector
• Threaded mounting type with 0.708-inch thread diameter

Detailed Features and Specifications

The Denso 234-4649 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 24.41-inch wiring harness length provides sufficient reach for clean and secure connections. The sensor is designed with a four-wire setup and a male connector, ensuring compatibility with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter allows for secure and precise installation in the exhaust system.

This oxygen sensor is a specific fit part, engineered to meet the exact requirements of Chevrolet Sidekick, Geo Tracker, Pontiac Sunrunner, and Suzuki Vitara and X-90 models. Using a sensor tailored to these vehicles helps maintain factory-level performance and emissions standards.

About the Denso OE Style Product Line

The Denso OE Style line focuses on providing replacement parts that closely match original equipment specifications. The OE Style oxygen sensors are designed to deliver reliable performance and durability, making them suitable for maintaining the emissions control system integrity in your vehicle. The 234-4649 sensor is part of this line, ensuring it meets the quality and fitment standards expected from original equipment components.

Common Applications and Issues Addressed

• Helps correct rough idling and engine hesitation
• Reduces excessive fuel consumption caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Improves emissions system efficiency and compliance
• Supports proper catalytic converter function

Installation Notes and Tips

Before installation, ensure the vehicle is cool to avoid burns. Disconnect the battery to prevent electrical shorts. Use a proper oxygen sensor socket for removal and installation to avoid damage. Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications.

Quality Assurance and Warranty

Denso oxygen sensors, including the 234-4649, are manufactured to meet strict quality standards. The OE Style line is engineered for durability and reliable operation under normal driving conditions. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship to ensure customer confidence in their replacement parts.