Bosch 13444 Oxygen Sensor

Overview of Bosch Engineered Oxygen Sensor 13444

The Bosch Engineered Oxygen Sensor 13444 is designed for precise emission control in select GM and related vehicles. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Specific fit for Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models
• Heated narrow-band oxygen sensor with threaded mounting
• 14-inch wiring harness length with 4-pin male connector
• Standard replacement grade with metal housing and steel finish
• Includes wiring harness and features a 22 mm hex size for installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to specific vehicle applications. The 13444 sensor is part of this line, offering a standard replacement narrow-band heated sensor designed to meet OEM specifications for fit and function. This ensures compatibility and consistent performance across various GM and related models.

Detailed Product Description

This Bosch oxygen sensor features a 4-wire design with a 14-inch wiring harness and a 4-pin square male connector, providing a secure and precise electrical connection. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for straightforward installation. Its metal housing and steel finish contribute to durability under typical engine bay conditions. The sensor is heated, which allows it to reach operating temperature quickly for accurate oxygen level readings. The overall length from sealing surface to connector end is 16.5 inches, accommodating proper placement in the exhaust system.

Compatible Vehicles and Applications

• Buick models including Century, LeSabre, Regal, and Park Avenue
• Cadillac DeVille, Eldorado, Seville, and STS
• Chevrolet Camaro, Impala, Monte Carlo, Lumina, and S10
• GMC Sonoma, S15, and Jimmy
• Isuzu Hombre and Trooper
• Oldsmobile Aurora, Cutlass Ciera, and LSS
• Pontiac Firebird, Grand Prix, Bonneville, and Trans Sport

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

Installation requires a 22 mm oxygen sensor socket or wrench. Ensure the sensor threads are clean and apply anti-seize compound if recommended by the vehicle manufacturer. The 4-pin male connector should be securely connected to the vehicle’s wiring harness. No mounting bracket is included, so use the existing sensor location. Verify sensor orientation and wiring harness routing to avoid damage during operation.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13444 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed for reliable operation in emission control systems. Bosch products typically come with a limited warranty covering defects in materials and workmanship; please refer to Bosch’s official warranty terms for specific coverage details.