Bosch 15273 Oxygen Sensor - Downstream

Overview of Bosch Engineered Oxygen Sensor 15273

The Bosch Engineered Oxygen Sensor 15273 is designed specifically for select Pontiac and Toyota models, including the Echo, Matrix, and Vibe. This narrow-band heated oxygen sensor provides reliable emission control performance with precise fitment and durable construction.

• Compatible with Pontiac Echo, Toyota Matrix, and Toyota Vibe
• Specific fit design ensures proper installation and function
• Heated narrow-band oxygen sensor for accurate air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 16.9-inch wiring harness with a 4-wire blade terminal connector
• Constructed with metal housing and steel finish for durability
• Connector features a rectangular shape with male gender terminals
• Overall length of 20.3 inches and wire length of 19.1 inches from sealing surface to connector end

Detailed Product Description

The Bosch Engineered Oxygen Sensor 15273 is a standard replacement part engineered to meet the emission control requirements of specific Pontiac and Toyota vehicles. This sensor is a narrow-band type with heating elements to ensure rapid sensor response and accurate oxygen level detection in the exhaust stream. The threaded mounting design with an 18 mm diameter and 22 mm hex size allows for secure installation using standard tools. The sensor’s metal housing and steel finish provide resistance to heat and corrosion, extending its service life.

The included wiring harness measures 16.9 inches and features a 4-wire blade terminal connector with a rectangular shape and male gender terminals, ensuring a precise electrical connection. The overall length of the sensor assembly is 20.3 inches, with 19.1 inches measured from the sealing surface to the end of the connector, facilitating proper routing and fitment in the engine bay.

Compatible Vehicles and Applications

• Designed for use in Pontiac Echo models requiring a narrow-band heated oxygen sensor
• Compatible with Toyota Matrix vehicles needing a specific fit oxygen sensor replacement
• Suitable for Toyota Vibe models with matching sensor specifications
• Helps maintain optimal engine performance and emissions compliance
• Replaces faulty or worn oxygen sensors to restore fuel efficiency and reduce emissions

Installation Notes and Tips

• Ensure vehicle compatibility with part number 15273 before installation
• Use a 22 mm oxygen sensor socket or wrench for mounting and removal
• Disconnect the battery before sensor replacement to avoid electrical issues
• Inspect wiring harness and connector for damage prior to installation
• Do not overtighten the sensor; follow manufacturer torque specifications

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15273 is manufactured to meet OEM standards for fit, form, and function. Bosch’s engineering ensures consistent sensor performance and durability under typical operating conditions. This oxygen sensor is a standard replacement part designed to provide reliable emission control and engine management support. Warranty coverage details should be confirmed with the parts distributor or vehicle manufacturer.