ACDelco 2133139 GM Genuine Parts Oxygen Sensor

The ACDelco 2133139 (also known as 213-3139) is a GM Genuine Parts Oxygen Sensor designed as a direct replacement for your vehicle's original component. This sensor is engineered to measure the proportion of oxygen in exhaust gases, providing critical feedback to the engine control module (ECM) to optimize air/fuel ratio for peak performance.

Key Features:

• Designed, engineered, and tested to rigorous GM OE specifications
• Measures oxygen content in exhaust gases with precision
• Helps engine control module adjust air/fuel ratio to optimal 14.7:1
• Optimizes engine performance, emissions, and fuel economy
• Tested under extreme and unusual conditions for reliability
• Meets OBD II standards for complete engine control
• Backed by General Motors quality assurance
• 12-month/12,000-mile limited warranty

This GM Genuine Parts oxygen sensor (formerly known as ACDelco GM Original Equipment) provides the same performance, durability, and service life you expect from General Motors. When your O2 sensor fails, you lose engine efficiency and waste fuel at the pump. The ACDelco 2133139 ensures your vehicle's powertrain control module receives accurate oxygen readings to optimize combustion and control exhaust emissions effectively.