ACDelco GM Original Equipment Oxygen (O2) Sensors are special feedback sensors on your vehicle's exhaust system, and are GM-recommended replacements for your vehicle's original components. These sensors measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. These original equipment oxygen sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Stay with the parts brand your General Motors vehicle came with and get the quality you know and trust with ACDelco GM Original Equipment Emission parts. ACDelco GM OE replacement parts give you the peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Emission parts are manufactured for many makes and models of GM car, light duty truck, and sport utility vehicle.

• Detects oxygen content in the exhaust gases to help optimize emissions
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

14_mm:	334.5
2087_in:	10.010
2087_mm:	254.40
2095_ga:	18
557_mm:	18.00
Connector Gender:	Female
Connector Shape:	Square
Length:	13.17
Mounting Type:	POSN 2
Sensor Type:	Heated
Universal Or Specific Fit:	Specific
Vintage_Part_Indicator:	N
Wire Quantity:	4

• 1996-1997 Chevrolet Astro | Position: Downstream
• 1996-1997 GMC Safari | Position: Downstream