Bosch 13077 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Buick, Chevrolet, GMC, and More

The Bosch Actual OE Oxygen Sensor 13077 is designed to provide accurate air-fuel mixture readings for specific vehicle applications. Engineered for compatibility with select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this sensor supports optimal engine performance and emissions control.

• Brand: Bosch
• Brand Line: Actual OE Oxygen Sensor
• Part Number: 13077
• Type: Narrow-band heated oxygen sensor
• Wiring Harness Length: 10.1 inches
• Overall Length: 13.8 inches
• Thread Size: 18 mm, Threaded Mounting
• Connector: Female, oblong shape with 3-pin terminals
• Housing Material: Metal with steel finish
• Heated sensor for faster response time
• Specific fit for models including Chevrolet Blazer, GMC Yukon, Pontiac Grand Prix, and more

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is designed to meet original equipment specifications, ensuring precise fit and function. This line focuses on delivering reliable sensor performance with standard replacement grade quality, making it suitable for maintaining factory-level emissions control and engine efficiency in compatible vehicles.

Detailed Product Description

This Bosch oxygen sensor 13077 features a narrow-band heated design that allows for quicker sensor warm-up and accurate monitoring of exhaust gases. The sensor includes a 10.1-inch wiring harness with a female oblong connector housing three pins, ensuring secure electrical connections. Its threaded mounting type with an 18 mm thread diameter allows for straightforward installation in the exhaust system. Constructed with a durable metal housing finished in steel, this sensor withstands harsh operating conditions. The overall length of 13.8 inches and a sealing surface to connector length of 12.6 inches provide proper fitment in designated vehicle models.

Compatible Vehicles and Common Applications

• Buick models such as Regal and Century
• Chevrolet trucks and SUVs including Blazer, S10, and Suburban variants
• GMC trucks like Jimmy, Yukon, and Sierra series
• Oldsmobile and Pontiac vehicles including Cutlass Supreme and Grand Prix
• Other compatible models: Astro, Lumina, Safari, and more

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

Ensure the engine and exhaust system are cool before installation to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory specifications. Avoid twisting or damaging the wiring harness during installation. Thread the sensor carefully to prevent cross-threading and ensure a secure fit.

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 13077 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed to maintain emissions compliance and engine efficiency. Bosch provides quality assurance backed by their manufacturing expertise, though specific warranty terms should be confirmed with the parts distributor or installer.