Bosch 15330 Oxygen Sensor - Downstream, Upstream, Upstream Rear or Upstream Right

Reliable Oxygen Sensor for Ford, Kia, Mazda, and Mercury Vehicles

The Bosch Validated Oxygen Sensor part number 15330 is designed to provide accurate air-fuel mixture readings for specific vehicle models including Ford Escort and Tracer, Kia Sephia, Mazda Miata, MX-3, Protege, and Mercury 626. This narrow-band heated oxygen sensor ensures optimal engine performance and emission control.

• Wiring harness length: 24.2 inches
• Overall length: 27.6 inches
• Threaded mounting type with 18 mm thread diameter
• 4-pin female connector with rectangular shape
• Heated narrow-band oxygen sensor for precise emissions monitoring
• Metal housing with steel finish for durability
• Standard replacement grade with included wiring harness
• Hex size: 22 mm for installation

About the Bosch Validated Oxygen Sensor Product Line

The Bosch Validated Oxygen Sensor line is engineered to meet strict OEM specifications, ensuring compatibility and reliable performance for emission control systems. This product line focuses on providing sensors that are tested and validated for specific vehicle applications, such as the Ford Escort and Mazda Miata, to maintain proper engine management and reduce harmful emissions.

Detailed Product Description

This Bosch oxygen sensor (part number 15330) features a narrow-band heated sensor type that allows for quick warm-up and accurate detection of oxygen levels in the exhaust gases. The sensor’s 4-wire design and female 4-pin rectangular connector ensure a secure and precise electrical connection. Its threaded mounting type with an 18 mm thread diameter allows for straightforward installation in compatible vehicles. The metal housing with a steel finish provides resistance to heat and corrosion, contributing to long-term durability. The included wiring harness simplifies replacement and ensures proper fitment.

Common Applications and Issues Addressed

• Helps correct engine misfires and rough idling
• Improves fuel efficiency by optimizing air-fuel mixture
• Reduces harmful emissions to meet environmental standards
• Prevents check engine light related to oxygen sensor faults
• Supports proper catalytic converter function

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15330, ensure the vehicle is compatible with this specific fitment, including Ford Escort, Kia Sephia, Mazda Miata, and Mercury 626 models. Use a 22 mm hex socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s existing setup. Avoid overtightening the threaded sensor to prevent damage. It is recommended to replace the sensor when the engine is cool to avoid burns and ensure proper torque application.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for quality and reliability. The Bosch Validated Oxygen Sensor 15330 undergoes rigorous testing to ensure accurate sensor readings and durability under harsh operating conditions. This part is a standard replacement grade sensor designed to maintain emission control system integrity. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.