Denso 234-4281 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4281

The Denso OE Style Oxygen Sensor 234-4281 is designed specifically for Mitsubishi Lancer models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 19.29-inch wiring harness, ensuring a secure and accurate fit.

• Heated oxygen sensor for faster response times
• Specific fit for Mitsubishi Lancer vehicles
• Threaded mounting type with 0.708-inch thread diameter
• 19.29-inch wiring harness length for optimal installation
• Four-wire design with male connector for reliable connectivity

Detailed Features and Specifications

The Denso 234-4281 oxygen sensor is engineered with a heated sensor element to reduce warm-up time, improving fuel efficiency and emissions control. Its specific fitment to Mitsubishi Lancer models ensures compatibility and proper function within the vehicle’s emission system. The sensor includes a 19.29-inch wiring harness, providing sufficient length for installation without excess slack. Featuring a four-wire configuration and a male connector, this sensor supports accurate signal transmission to the engine control unit. The threaded mounting type with a 0.708-inch diameter allows for secure attachment in the exhaust system.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications for direct replacement. This oxygen sensor maintains the quality and fitment standards expected from factory components, ensuring reliable performance and durability. The OE Style designation indicates that this sensor is designed to match the exact requirements of the Mitsubishi Lancer’s emission system.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve rough idling and engine hesitation issues
• Reduces increased emissions and failed emissions tests
• Addresses poor fuel economy caused by faulty sensors
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4281 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 gender match the vehicle’s harness for a secure connection. Proper torque specifications should be followed to prevent leaks or sensor damage.

Quality Assurance and Warranty

Denso manufactures this oxygen sensor to meet strict quality standards, ensuring reliable operation within the Mitsubishi Lancer’s emission control system. While specific warranty details are not provided here, Denso parts typically come with manufacturer-backed warranties covering defects in materials and workmanship.