Emission Systems
Positive Crankcase Ventilation (PCV) Tube
GM
10141998
2.2L, 1994-97. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.33
MSRP $7.92
Save $1.59
20.1% Off 
Heated Oxygen Sensor
GM
12573721
Canyon, Colorado. Without 5.3l. Front. All models. 4.2l. Detects oxygen content in the exhaust gases to help optimize emissions
This GM...
$92.90
MSRP $132.72
Save $39.82
30% Off 
Vapor Canister Vent Hose
GM
25775102
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$90.17
MSRP $128.82
Save $38.65
30% Off 
Knock Sensor Grommet
GM
12558177
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.71
MSRP $18.45
Save $3.74
20.3% Off 
Engine Intake Manifold Runner Control Valve
GM
12625725
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$34.08
MSRP $42.69
Save $8.61
20.2% Off 
EGR Valve Cooler Gasket
GM
98065521
6.6L diesel 2015-16 egr valve & related components. front cooler. This GM Genuine Part is designed, engineered, and tested to rigorous...
$8.33
MSRP $11.90
Save $3.57
30% Off 
Multi-Purpose Clamp
GM
11570383
Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$38.23
MSRP $45.52
Save $7.29
16% Off 
Exhaust Gas Recirculation (EGR) Vacuum Regulator Solenoid Valve
GM
25183355
Aveo, Aveo5. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$49.52
MSRP $62.04
Save $12.52
20.2% Off 
Positive Crankcase Ventilation Oil Separator
GM
55509669
Oil Separator Assy. 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$33.35
MSRP $41.79
Save $8.44
20.2% Off 
Fuel Tank Filler Vent Hose
GM
84018885
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.03
MSRP $71.46
Save $11.43
16% Off 
Heated Oxygen Sensor
GM
19353136
Cavalier, Sunfire. 2.2l. Rear, 2.2L. 2.2L, pre converter. Detects oxygen content in the exhaust gases to help optimize emissions
This GM...
$115.50
MSRP $165.01
Save $49.51
30% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84593739
2017-20, emission reduction system.
$379.23
MSRP $541.76
Save $162.53
30% Off 
Vapor Canister Purge Valve Hose
GM
23287620
Location-Vapor Canister. Incl.Hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$73.19
MSRP $104.56
Save $31.37
30% Off 
Vapor Canister Vent Solenoid
GM
84148817
Location-Vapor Canister. Double & crew cab. double cab. Controls fresh air flow to the canister
Sends fuel vapors to the engine for...
$82.31
MSRP $117.58
Save $35.27
30% Off 
Upper Nox Sensor
GM
40009361
Silverado, sierra. 3.0l diesel. Position 1-under hood. 3.0L diesel, 2023-26. Suburban. 3.0l diesel. Upper. Tahoe. 3.0l diesel. Yukon....
$113.71
MSRP $162.44
Save $48.73
30% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
89060435
Lucerne. DTS. 4.6L. 8.1l. Grand Prix. 3.8l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$221.84
MSRP $316.92
Save $95.08
30% Off 
Exhaust Temperature Sensor
GM
19418898
Silverado, sierra. 6.6l. Position 5. Position 2. Exhaust temp sensor. 6.6l. 6.6L diesel, egr valve & related components, 2015-16, at...
$70.18
MSRP $100.26
Save $30.08
30% Off 
Exhaust Temperature Sensor
GM
55491112
Silverado, sierra. Sensors, 3.0L diesel, position 2. Helps provide accurate temperature detection
Heat and vibration resistant for...
$56.29
MSRP $80.42
Save $24.13
30% Off 
Emission Reduction Fluid Tank Protector
GM
84417101
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$20.57
MSRP $29.38
Save $8.81
30% 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...
$325.14
MSRP $464.48
Save $139.34
30% Off 
Egr Valve
GM
40009269
Silverado, sierra. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel high pressure.
$140.50
MSRP $200.72
Save $60.22
30% Off 
Heated Oxygen Sensor
GM
12597990
DTS. Lucerne. Front. 4.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
$76.93
MSRP $109.90
Save $32.97
30% Off 
Engine Intake Manifold Cover
GM
12655713
1.5L turbo. 1.4L, type 2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.91
MSRP $36.21
Save $7.30
20.2% Off 
Air Injection Valve
GM
12619110
4.2L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$248.84
MSRP $355.48
Save $106.64
30% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe with In-Line Heater
GM
84615872
6.6L diesel, emission reduction system, 2017-19, rear. This GM Genuine part is designed, engineered and tested to rigorous standards,...
$342.87
MSRP $489.82
Save $146.95
30% Off 
Heated Oxygen Sensor
GM
12608663
G6. Right. Rear. Aura. 3.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
$102.55
MSRP $146.50
Save $43.95
30% Off 
Vapor Canister
GM
84437084
Envision. 2.0l. All. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$453.25
MSRP $647.50
Save $194.25
30% Off 
Secondary Air Injection Pipe
GM
12647908
2.4L. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to...
$222.28
MSRP $317.55
Save $95.27
30% Off 
Diesel Exhaust Fluid (Def) Injector
GM
40009107
Silverado, sierra. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. 3.0L diesel emission reduction system.
$138.73
MSRP $198.18
Save $59.45
30% Off 
Diesel Emissions Fluid (DEF) Exhaust Front Pipe Injector Supply Pipe
GM
23182419
With diesel, emission reduction system, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$231.55
MSRP $275.65
Save $44.10
16% Off 
Heated Oxygen Sensor
GM
12580827
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$95.94
MSRP $137.06
Save $41.12
30% Off 
Heated Oxygen Sensor
GM
12671088
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$51.86
MSRP $74.08
Save $22.22
30% Off 
Filler Pipe
GM
86791263
3.0L diesel emission reduction system. Filler pipe.
$64.51
MSRP $92.16
Save $27.65
30% Off 
PCV Tube
GM
12703822
2017-19, oil & coolant pipes. 6.6L diesel oil lines.
$72.72
MSRP $103.88
Save $31.16
30% 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...
$84.57
MSRP $120.82
Save $36.25
30% Off 
Rear Nox Sensor
GM
12718742
6.6L diesel, egr valve & related components, 2017-19.
$497.01
MSRP $710.01
Save $213.00
30% Off 
Outlet Hose
GM
24001100
Height pressure system. From cooler. Yukon. 3.0l diesel. 3.0L diesel low pressure. Outlet hose.
$5.60
MSRP $8.00
Save $2.40
30% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler Temperature Sensor
GM
12675840
Silverado, sierra. 6.6l. Position 1. Temp sensor. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This GM Genuine Part is...
$71.30
MSRP $101.86
Save $30.56
30% Off 
Heated Oxygen Sensor
GM
12634085
Enclave, Traverse. Rear. Acadia, Acadia Limited. This part requires programming and/or special setup procedures GM Service Information...
$234.12
MSRP $334.46
Save $100.34
30% Off 
Heated Oxygen Sensor
GM
12618010
2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools...
$79.37
MSRP $113.39
Save $34.02
30% Off 
Evaporative Emission Hose
GM
84886561
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$114.63
MSRP $163.76
Save $49.13
30% Off 
Vapor Canister
GM
86798371
Corvette. Without hybrid. 5.5L. 6.2L.
$191.28
MSRP $273.26
Save $81.98
30% Off 
Heated Oxygen Sensor
GM
12608712
G6. Right. Rear. Front. 3.5L. This part requires programming and/or special setup procedures GM Service Information describes the...
$103.26
MSRP $147.53
Save $44.27
30% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12660126
LaCrosse. 3.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
$361.68
MSRP $516.66
Save $154.98
30% Off 
Heated Oxygen Sensor
GM
12572707
All models. 8.1l. Left. Rear of converter, 8.1l. This part requires programming and/or special setup procedures GM Service Information...
$102.73
MSRP $146.77
Save $44.04
30% Off 
Vapor Canister
GM
88972633
Prizm. To vin #1z433630. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the...
$433.50
MSRP $619.28
Save $185.78
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