GM Heated O2 Sensor '14-24 Camaro 12655677

GM 12655677 – Genuine Heated Oxygen (O2) Sensor
Pre-Catalyst (Upstream) Sensor – Programming Required by Automotive Professional

Maintain peak engine efficiency and emissions compliance with the genuine GM 12655677 Heated Oxygen Sensor. This high-quality O2 sensor monitors the oxygen content in the exhaust gases before they reach the catalytic converter, allowing the ECU to fine-tune the air-fuel ratio for optimal performance, fuel economy, and reduced emissions.

Position:

• Upstream / Pre-Catalyst (Bank 1 Sensor 1 or Bank 2 Sensor 1 depending on engine configuration)

• Requires professional installation and ECU programming

Key Features:

• Genuine GM replacement part

• Built-in heater for quicker sensor response

• Designed for accurate and consistent air-fuel ratio monitoring

• Helps improve throttle response, fuel economy, and emissions performance

Vehicle Applications:
This sensor is commonly used in the following GM vehicles equipped with LS or LT-series engines:

• Chevrolet Camaro – 2014–2024

• Chevrolet Corvette – 2014–2019

• Cadillac CTS – 2016–2019

Engine Compatibility:

• 6.2L LT1 / LT4 V8 engines

• Various Gen V GM V8 applications

Note:
This sensor may require ECU reprogramming or relearning procedures upon installation. We recommend installation by a qualified automotive technician.