Emission Modules & Control Units for 1999 GMC Sierra 2500
Select Emission Modules & Control Units part
Multi-Purpose Wire Connector
ACDelco
PT2164
ACDelco Gold (Professional) Air Charge Temperature Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$12.37
Fits Your Vehicle
Oxygen Sensor
GM
19355306
ACDelco Oxygen Sensor (Part Number: 19355306) is a heated oxygen sensor assembly intended to provide accurate air/fuel feedback to...
$65.57
MSRP $119.78
Save $54.21
45.3% Off 
Wire Connector
ACDelco
PT2784
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$30.80
Fits Your Vehicle
Heated Oxygen Sensor
ACDelco
213-1332
ACDelco Gold (Professional) Oxygen (O2) Sensors are the high quality alternative to Original Equipment (OE) parts. These sensors are...
Positions: Upstream Left, Upstream Right
Fits Your Vehicle
Heated Oxygen Sensor
GM
19355311
ACDelco Heated Oxygen Sensor (Part Number: 19355311) is an ACDelco emission control sensor engineered to monitor exhaust oxygen and...
$89.96
MSRP $164.32
Save $74.36
45.3% Off 
Heated Oxygen Sensor
ACDelco
AFS136
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Upstream
$87.31
Fits Your Vehicle
Heated Oxygen Sensor
ACDelco
AFS137
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Downstream Left
$89.96
Fits Your Vehicle
Heated Oxygen Sensor
ACDelco
AFS106
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Downstream Right
$65.57
Fits Your Vehicle
Heated Oxygen Sensor
GM
19178942
All models. 6.0l. Front, 6.0l. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed,...
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