Bosch 13483 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Chevrolet, Oldsmobile, and Pontiac Vehicles

The Bosch Engineered Oxygen Sensor part number 13483 is designed specifically for select Chevrolet, Oldsmobile, and Pontiac models. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Specific fit for Chevrolet Alero, Cavalier, Corvette, Malibu, Sunfire; Oldsmobile Cutlass; Pontiac Grand Am
• Heated narrow-band oxygen sensor with threaded mounting
• 53.2-inch wiring harness length with 4-pin male connector
• Standard replacement grade with metal housing and steel finish
• 22 mm hex size and 18 mm thread diameter for secure installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on precision and durability in emission control components. This product line offers sensors engineered to meet specific vehicle requirements, ensuring compatibility and reliable performance. The 13483 oxygen sensor is part of this line, providing a direct fit and heated sensing element to maintain accurate readings under various operating conditions.

Product Details and Specifications

This oxygen sensor features a narrow-band heated design, which helps the engine control module monitor and adjust the air-fuel ratio efficiently. The sensor includes a 53.2-inch wiring harness with a 4-pin male connector and a square connector shape, facilitating straightforward electrical connections. Its metal housing and steel finish provide durability against heat and corrosion. The sensor mounts via a threaded 18 mm diameter fitting and requires a 22 mm hex wrench for installation. The overall length from sealing surface to connector end is approximately 55.7 inches, allowing for proper placement in the exhaust system.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper fuel mixture control
• Helps reduce engine misfires and rough idling
• Improves emissions system performance and compliance
• Prevents check engine light triggers related to oxygen sensor faults
• Supports fuel efficiency by maintaining correct air-fuel ratios

Installation Notes and Tips

Ensure the vehicle is cool before removing the old sensor to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the wiring harness length and connector type match the vehicle’s factory specifications. The sensor is a specific fit for Chevrolet Alero, Cavalier, Corvette, Malibu, Sunfire; Oldsmobile Cutlass; and Pontiac Grand Am models, so confirm compatibility before installation. No mounting bracket is included, as the sensor mounts directly via threaded fitting.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13483 is manufactured to meet OEM standards for fit, form, and function. It is constructed with a heated sensing element and durable metal housing to withstand harsh exhaust conditions. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the product documentation for exact warranty terms.