Denso 234-4087 Oxygen Sensor

Reliable Oxygen Sensor for Select GM and Isuzu Vehicles

The Denso OE Style Oxygen Sensor 234-4087 is designed to provide precise emissions control for specific Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and reduce harmful emissions.

• Heated sensor type for faster response times
• Specific fit for select GM and Isuzu vehicles
• 12.20-inch wiring harness length for proper installation
• Four-wire design with female connector for secure connection
• Threaded mounting with 0.708-inch diameter for OEM compatibility

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures that the 234-4087 sensor matches the fit, form, and function of the factory-installed part, providing reliable performance and durability. The OE Style sensors are designed to integrate seamlessly with your vehicle’s emission control system.

Product Details and Specifications

The Denso 234-4087 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 12.20-inch wiring harness with four wires and a female connector, ensuring compatibility with the vehicle’s existing wiring harness. The sensor mounts via a threaded connection with a 0.708-inch diameter, matching OEM mounting requirements. This sensor is a specific fit for various models including the Buick LeSabre, Chevrolet Camaro, GMC Sonoma, Isuzu Hombre, Oldsmobile Aurora, and Pontiac Firebird among others.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring correct emissions feedback
• Reduces harmful exhaust emissions by maintaining sensor accuracy
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Denso 234-4087 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. The 12.20-inch wiring harness length provides adequate reach for proper connection to the vehicle’s female connector. Use appropriate tools to avoid damaging the sensor or wiring during installation. Verify compatibility with your specific Buick, Chevrolet, GMC, Isuzu, Oldsmobile, or Pontiac model before installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using a sensor like the 234-4087 helps maintain your vehicle’s emission system integrity and compliance.