Emission Systems for 1999 Chevrolet Express 2500
Select Emission Systems part
Heated Oxygen Sensor
ACDelco
213-1325
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
Multi-Purpose Wiring Connector
ACDelco
PT420
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$41.37
Fits Your Vehicle
Relay
ACDelco
D1741C
ACDelco Gold (Professional) Temperature Control Relay are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold...
$12.91
Fits Your Vehicle
Multi-Purpose Nut
ACDelco
11517996
GM Genuine Parts Nuts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are...
$6.94
Fits Your Vehicle
Vapor Canister Vent Valve
GM
12559015
Location-Vapor Canister. Square. All models. 4.3l. Hummer H2. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$26.24
MSRP $44.34
Save $18.10
40.8% Off 
Wiring Pigtail
ACDelco
PT1910
ACDelco Gold (Professional) Engine Camshaft Position Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$38.85
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT1231
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$53.11
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 
Multi-Purpose Wiring Connector
ACDelco
PT2782
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$32.28
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT3907
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
Positions: Right
$73.16
Fits Your Vehicle
Evaporative Emission Canister Purge Solenoid Valve
ACDelco
214-640
"ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle's original components. The...
$46.34
Fits Your Vehicle
2-Way Female Gray Multi-Purpose Pigtail
ACDelco
PT307
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$24.25
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT919
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$45.41
Fits Your Vehicle
Heated Oxygen Sensor
ACDelco
AFS105
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Upstream
$80.22
Fits Your Vehicle
Heated Oxygen Sensor
GM
19178934
ACDelco Heated Oxygen Sensor (Part Number: 19178934) is a heated O2 sensor that detects oxygen content in exhaust gases to help...
$82.14
MSRP $150.04
Save $67.90
45.3% Off 
Multi-Purpose Wiring Connector
ACDelco
PT2830
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$29.12
Fits Your Vehicle
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
Multi-Purpose Wire Connector
ACDelco
PT2319
ACDelco Gold (Professional) Throttle Position Sensor Connector are a high quality alternative to Original Equipment (OE) parts. ACDelco...
$46.64
Fits Your Vehicle
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