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GM Genuine Parts Oxygen Sensor

# AFS21
Part # AFS21
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$23.49
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Part No. AFS21
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle's exhaust system and 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. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Detects oxygen content in the exhaust gases to help optimize emissions
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
Connector Gender:
Female

Connector Shape:
Round

Height:
3 in

Length:
16.91 in

Mounting Type:
POSN 1

Programming Required:
No

Sensor Type:
Non Heated

Thread Diameter:
18 mm

Universal Or Specific Fit:
Specific

Weight:
0.2 lb

Width:
3 in

Wire Gauge Measurement:
18 ga.

Wire Quantity:
1

Wiring Harness Length:
343.4 mm
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