Emission Systems
availability
Secondary Air Injection Pump
GM
12568241
Impala, Monte Carlo. California only. Secondary pump, with california emission. Aztek, Rendezvous. 3.8L. 5.7L, 1998-02. California...
$255.38
MSRP $466.44
Save $211.06
45.2% Off 
Multi-Purpose Bolt
GM
11611692
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$47.10
MSRP $82.64
Save $35.54
43% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12636250
A.i.r. Pump, 3.6L. ATS. 3.6l. Right. Helps prevent exhaust from entering air pump
$185.51
MSRP $338.84
Save $153.33
45.3% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12636249
A.i.r. Pump, 3.6L. ATS. 3.6l. Left. Helps prevent exhaust from entering air pump
$187.55
MSRP $342.56
Save $155.01
45.3% Off 
EGR Valve Gasket
GM
12647008
For EGR Valve. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system...
$23.43
MSRP $41.10
Save $17.67
43% Off 
Fuel Tank Fill Vent Pipe
GM
84006400
With awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$107.15
MSRP $193.06
Save $85.91
44.5% Off 
Vapor Canister
GM
15746226
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine Part is...
$213.74
MSRP $390.40
Save $176.66
45.3% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler Temperature Sensor
GM
55495829
1.6L, sensors, position 1. Cruze. 1.6l. On engine (position 1). This GM Genuine Part is designed, engineered, and tested to rigorous...
$52.62
MSRP $92.32
Save $39.70
43% Off 
Vapor Canister Purge Pump Bracket
GM
55501918
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.82
MSRP $21.96
Save $6.14
28% Off 
Vapor Canister Purge Tube
GM
12683612
1.5L turbo. Equinox, Terrain. 1.5l. 1.5, 2.0L, 1.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$20.58
MSRP $34.30
Save $13.72
40% Off 
Canister
GM
42934266
LaCrosse. Regal Sportback. 2.0l. Fwd. 3.6L, without awd, 1st design. 2.5L, 1st design. 1.5L turbo. 2.0L turbo.
$124.07
MSRP $226.62
Save $102.55
45.3% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12670013
Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.94
MSRP $16.56
Save $6.62
40% Off 
Vapor Canister Vent Solenoid
GM
13575702
SRX. 3.6L. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM...
$48.88
MSRP $85.76
Save $36.88
43% Off 
Heated Oxygen Sensor
GM
12589321
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$86.01
MSRP $154.98
Save $68.97
44.5% Off 
Push-Pin
GM
11589289
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.63
MSRP $8.24
Save $2.61
31.7% Off 
Positive Crankcase Ventilation Tube
GM
12680863
3.6L. Enclave. To air cleaner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$23.20
MSRP $38.66
Save $15.46
40% Off 
Knock Sensor Grommet
GM
12558177
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.72
MSRP $21.54
Save $6.82
31.7% Off 
Heated Oxygen Sensor
GM
12562943
Canada Built. 5.3L, rear of converter. 5.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize emissions...
$70.30
MSRP $126.66
Save $56.36
44.5% Off 
Heated Oxygen Sensor
GM
12599866
All models. 5.3l. Express, savana. Gas. Without diesel, front. Rear of converter, 5.3l. This part requires programming and/or special...
$70.64
MSRP $127.27
Save $56.63
44.5% Off 
Secondary Air Injection Check Valve
GM
12639108
Equinox, Terrain. Regal. Impala. 2.4l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$261.42
MSRP $477.48
Save $216.06
45.3% Off 
Heated Oxygen Sensor
GM
12655678
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$49.20
MSRP $86.32
Save $37.12
43% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12668054
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.42
MSRP $17.36
Save $6.94
40% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12703921
2017-21 3.6L. foul air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$39.62
MSRP $69.50
Save $29.88
43% Off 
Hose
GM
86568918
Fwd. Incl.Hose. Optional. Vendor #84507176. Awd.
$80.97
MSRP $145.90
Save $64.93
44.5% Off 
Heated Oxygen Sensor
GM
55489474
XT4. Up stream. Upstream. Upper. Bank 1 sensor 1. Acadia. 2.0l. Blazer. 2.0l. This part requires programming and/or special setup...
$43.33
MSRP $76.01
Save $32.68
43% Off 
Sensor
GM
40009742
Silverado, sierra. 3.0l diesel. Position 3-chassis rear. 3.0L diesel, 2023-26. 3.0L diesel 2025-26 sensors. Lower. Left. Yukon. 3.0l...
$151.02
MSRP $275.84
Save $124.82
45.3% Off 
Multi-Purpose Nut
GM
11609746
2.2L. 2 door. Power seat, without power lumbar. Upper. 3.4L. 4 door. 3.8L. Driver power seat, with power lumbar. To bar. 1995. This GM...
$3.10
MSRP $4.53
Save $1.43
31.6% Off 
Diesel Emissions Reduction Fluid (DEF) Injector
GM
12647372
Silverado, sierra. Express, savana. 6.6l diesel. 6.6L diesel, emission reduction system, 2015-16. This GM Genuine Part is designed,...
$256.57
MSRP $468.61
Save $212.04
45.2% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12627132
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$36.96
MSRP $64.84
Save $27.88
43% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
92068690
6.2L without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.92
MSRP $16.54
Save $6.62
40% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12635466
2010-16, egr valve & related components, upper. Express, savana. 6.6l diesel. Lock a. 6.6L diesel, egr valve & related components,...
$8.23
MSRP $13.70
Save $5.47
39.9% Off 
Heated Oxygen Sensor
GM
55572993
Encore. Eng. vin b - luv. Upstream. Without high output, all. Cruze, Cruze Limited. 1.4l. 1.4L turbo. Sonic. Front. 1.4l. Trax. Without...
$55.92
MSRP $100.76
Save $44.84
44.5% Off 
Heated Oxygen Sensor
GM
12681390
1.3L turbo. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$45.76
MSRP $80.28
Save $34.52
43% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$120.71
MSRP $220.48
Save $99.77
45.3% Off 
Heated Oxygen Sensor
GM
12679885
Silverado, Sierra 2500 HD. Gas. Front. Silverado, Sierra 3500 HD. This part requires programming and/or special setup procedures. GM...
$53.51
MSRP $93.88
Save $40.37
43% Off 
Nitrogen Oxides Sensor
GM
24001919
Nox sensor. Express, savana. 2.8l diesel. Front. Detects the nitrogen oxide content of the exhaust to help optimize emissions...
$374.91
MSRP $687.88
Save $312.97
45.5% Off 
Diesel Emissions Fluid (DEF) Tank Support Bracket
GM
23468902
6.6L diesel 2015-16 emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$40.15
MSRP $70.44
Save $30.29
43% Off 
Vapor Canister Vent Solenoid
GM
84148819
Double & crew cab. crew cab 6.6 ft box. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$68.93
MSRP $124.20
Save $55.27
44.5% Off 
Vapor Canister Vent Solenoid
GM
84148818
Regular cab. 8 ft. box. Silverado, sierra. Crew cab. Controls fresh air flow to the canister
Sends fuel vapors to the engine for...
$75.05
MSRP $135.22
Save $60.17
44.5% Off 
Secondary Air Injection Pump
GM
55573924
Volt. ELR. With pzev. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed,...
$144.81
MSRP $232.04
Save $87.23
37.6% Off 
Heated Oxygen Sensor
GM
12639692
Equinox, Terrain. 2.4l. Downstream. Captiva Sport. 2.4l. Rear. This part requires programming and/or special setup procedures GM Service...
$24.94
MSRP $43.76
Save $18.82
43% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12648746
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$31.38
MSRP $55.06
Save $23.68
43% Off 
Multi-Purpose Clamp
GM
11570616
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.02
MSRP $7.33
Save $2.31
31.5% Off 
Oxygen Sensor
GM
12718669
Downstream. XT4. Colorado. 2.7l. CT4. 2.7l. Acadia. 2.0l. Lower. Canyon. 2.7l. Canister & sensors, 2.0l turbo. CT6. 2.0l. Bank 1 sensor 2.
$41.93
MSRP $73.55
Save $31.62
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