Emission Systems
Secondary Air Injection Pump
GM
12568382
Corvette. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested...
$247.39
MSRP $419.31
Save $171.92
41% Off 
Secondary Air Injection Check Valve Kit with Valve, Retainer, Gasket, and Bolts
GM
12639990
A.i.r. Pump, 2.5L. ATS. 2.5l. Calif. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$211.61
MSRP $358.66
Save $147.05
41% Off 
Vapor Canister Harness
GM
12574897
5.3L. Silverado, sierra hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$51.87
MSRP $84.34
Save $32.47
38.5% Off 
Egr Valve
GM
12713478
Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel.
$262.89
MSRP $445.58
Save $182.69
41% Off 
Positive Crankcase Ventilation Tube
GM
12670792
4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$25.82
MSRP $41.98
Save $16.16
38.5% Off 
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...
$275.20
MSRP $466.44
Save $191.24
41% Off 
Passenger Side Secondary Air Injection Check Valve Pipe Adapter
GM
12645865
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$266.60
MSRP $451.86
Save $185.26
41% 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...
$56.16
MSRP $91.32
Save $35.16
38.5% Off 
Vapor Canister Purge Tube
GM
12605523
Coupe, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$18.15
MSRP $29.04
Save $10.89
37.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633396
3.0L & 3.6L, 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$24.95
MSRP $39.92
Save $14.97
37.5% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659515
3.0L twin-turbo, small. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$35.41
MSRP $50.52
Save $15.11
29.9% Off 
Position 2 Exhaust Temperature Sensor
GM
12643373
Express, savana. 6.6l diesel. Position #2. 2010-16, egr valve & related components, at converter & pipe. Helps provide accurate...
$145.42
MSRP $246.46
Save $101.04
41% Off 
Vapor Canister Purge Tube
GM
12630246
Without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$37.00
MSRP $60.16
Save $23.16
38.5% Off 
Vapor Canister Purge Pipe
GM
13408650
1.4L. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$264.89
MSRP $448.96
Save $184.07
41% Off 
Passenger Side Secondary Air Injection Shut-Off and Check Valve
GM
12652895
Right. XTS. Impala. 3.6l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to...
$196.35
MSRP $332.80
Save $136.45
41% Off 
1-Way Female Gray Multi-Purpose Pigtail
GM
15306070
3.5L. Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$21.68
MSRP $34.69
Save $13.01
37.5% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$197.27
MSRP $334.34
Save $137.07
41% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$105.54
MSRP $175.90
Save $70.36
40% Off 
Vapor Canister without Vent Valve Solenoid
GM
15250111
Sky. Solstice. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$192.06
MSRP $325.50
Save $133.44
41% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
12644073
1.5L turbo. Coupe, 2.0L turbo. 2016-18. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$6.35
MSRP $10.16
Save $3.81
37.5% Off 
Vapor Canister Purge Tube
GM
12607115
6.0 6.2L without supercharged 7.0L. #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$13.95
MSRP $22.32
Save $8.37
37.5% Off 
Positive Crankcase Ventilation Tube
GM
12687544
1.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$46.83
MSRP $76.14
Save $29.31
38.5% Off 
Tube
GM
12728740
5.3 & 6.2L, with police. 5.3 & 6.2L, with ppv.
$10.45
MSRP $16.72
Save $6.27
37.5% Off 
Heated Oxygen Sensor
GM
19178924
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$85.00
MSRP $141.66
Save $56.66
40% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12581194
3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$11.09
MSRP $15.57
Save $4.48
28.8% Off 
Vapor Canister Purge Tube
GM
12654018
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.05
MSRP $11.31
Save $3.26
28.8% Off 
Module
GM
12746285
6.6L diesel, sensors, at exh pipe. 6.6L diesel, sensors, at converter. 6.6L diesel, sensors, 2024-26, #2.
$67.00
MSRP $97.93
Save $30.93
31.6% Off 
Secondary Air Injection Pipe
GM
12648985
3.6L with flex fuel. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered,...
$190.15
MSRP $322.28
Save $132.13
41% Off 
Vapor Canister
GM
15112165
Suburban, Yukon XL. 3/4 ton. 8.1l. Escalade EXT, esv. 3/4 ton. Avalanche. 3/4 ton. Helps reduce harmful pollutants from entering the...
$238.28
MSRP $403.86
Save $165.58
41% Off 
Heated Oxygen Sensor
GM
12578576
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$105.54
MSRP $175.90
Save $70.36
40% Off 
Black Multi-Purpose Pigtail
GM
13585858
Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$32.07
MSRP $50.88
Save $18.81
37% Off 
By-Pass Hose
GM
12584338
2.0L, #1. 2.0L supercharged, return.
$42.52
MSRP $60.65
Save $18.13
29.9% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12673862
1.4L, 3 ends. 1.5L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$51.38
MSRP $83.54
Save $32.16
38.5% Off 
Secondary Air Injection Pump Bracket
GM
12638137
A.i.r. Pump, 3.6L with pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$64.49
MSRP $94.28
Save $29.79
31.6% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
12643296
2.4L. PCV hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.36
MSRP $8.58
Save $3.22
37.5% Off 
Heated Oxygen Sensor
GM
12643707
Canyon, Colorado. 2.5l. Upper. Upstream. Malibu. 2.0l, 2.5l. 2.0L turbo. Regal. 2.0l. 2.4L. This part requires programming and/or...
$44.51
MSRP $68.74
Save $24.23
35.2% 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,...
$268.96
MSRP $455.85
Save $186.89
41% Off 
Heated Oxygen Sensor
GM
12608662
Impala, Monte Carlo. 3.5l, 3.9l. G6. Left. Rear. 3.5 & 3.9L with flex fuel. Aura. 3.6l. This part requires programming and/or special...
$76.27
MSRP $127.12
Save $50.85
40% Off 
Air Injection Valve
GM
12619127
California emissions, front. Seville. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$335.63
MSRP $568.86
Save $233.23
41% 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
$32.94
MSRP $53.56
Save $20.62
38.5% Off 
Vapor Canister Purge Tube
GM
12611130
Equinox, Terrain. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.90
MSRP $27.04
Save $10.14
37.5% Off 
Secondary Air Injection Pump with Bracket
GM
12630667
Regal. Cobalt. 2.2l. Air injection system, 2009-10. Impala. 2.4l. Helps maintain controlled air flow to proper air injection components...
$198.75
MSRP $336.86
Save $138.11
41% 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...
$51.30
MSRP $83.42
Save $32.12
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