Bosch 18191 Oxygen Sensor - Downstream or Downstream Right

Overview of Bosch Engineered Oxygen Sensor 18191

The Bosch Engineered Oxygen Sensor 18191 is designed specifically for select Ford vehicles, including the E-350 Super Duty and Mustang models. This direct fit, heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Ford E-350 Super Duty and Mustang
• Heated narrow-band oxygen sensor for precise readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 29-inch wiring harness with 4-pin female connectors
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with direct fit installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components that meet OEM specifications. The 18191 sensor is part of this line, offering a standard replacement option with a heated sensor element and precise wiring harness designed for specific vehicle applications. This ensures compatibility and performance consistency for Ford models requiring a direct fit oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band sensor type that provides accurate air-fuel ratio data to the engine control unit. The sensor is heated to reduce warm-up time, improving emissions control during cold starts. It comes with a 29-inch wiring harness and a 4-pin female connector with a square shape, facilitating straightforward installation. The sensor’s metal housing and steel finish provide durability against harsh engine conditions. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure and proper installation in compatible Ford vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers caused by oxygen sensor faults
• Improves fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 18191 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot engine components to prevent damage. This sensor is a direct fit replacement, so no modifications are necessary for compatible Ford E-350 Super Duty and Mustang models.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 18191 is manufactured to meet OEM standards for fit, form, and function. It includes a heated element and durable construction to withstand typical operating conditions. While specific warranty details are not provided here, Bosch products generally come with a limited warranty covering defects in materials and workmanship.