Bosch 15504 Oxygen Sensor - Upstream or Upstream Right

Reliable Oxygen Sensor for Chrysler, Dodge, Jeep, and More

The Bosch Engineered Oxygen Sensor 15504 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. This specific fit oxygen sensor is compatible with various Chrysler, Dodge, Jeep, Mercedes-Benz, Ram, and Volkswagen models, ensuring precise operation in your vehicle's emission system.

• Specific fit for select Chrysler, Dodge, Jeep, Mercedes-Benz, Ram, and Volkswagen models
• Narrow-band heated oxygen sensor for accurate air-fuel ratio monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 9.8-inch wiring harness with 4-pin rectangular male connector
• Durable metal housing with steel finish and standard replacement grade
• Overall length of 13.2 inches and 12-inch sealing surface to connector length
• Heated sensor design for faster response and reliable operation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. The 15504 oxygen sensor is part of this line, offering a standard replacement grade sensor with a heated narrow-band design. This ensures compatibility and performance aligned with original equipment specifications for vehicles such as the Ram 1500, Jeep Grand Cherokee, and Mercedes-Benz CLS550.

Product Details and Specifications

This Bosch oxygen sensor features a 4-wire configuration with a 4-pin female terminal type and a rectangular connector shape. The sensor is heated to provide quicker warm-up times, improving emission control efficiency. Its threaded mounting type with an 18 mm thread diameter and 22 mm hex size allows for secure installation. The metal housing and steel finish contribute to durability under harsh engine conditions. The included wiring harness measures 9.8 inches, with an overall length of 13.2 inches, ensuring proper fitment and connection within the vehicle's emission system.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for Chrysler 300 and Dodge Charger models
• Helps resolve rough idling and poor fuel economy in Jeep Wrangler and Grand Cherokee
• Improves emissions performance in Ram 1500, 2500, and 3500 trucks
• Addresses check engine light triggers related to oxygen sensor faults
• Supports proper engine management in Mercedes-Benz CLS550 and GL450

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector type matches the vehicle harness to prevent electrical issues. The sensor’s threaded design requires proper torque to avoid leaks or damage. No mounting bracket is included, so use the existing mounting point on the exhaust system. The wiring harness is included for straightforward connection.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15504 meets OEM standards for fit and function. Manufactured with high-quality metal housing and heated sensor technology, it is designed for durability and reliable performance. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.