Emission Systems
EGR Valve
GM
12578040
S-series. 4.3l. Tbi. Astro, Safari. 4.3l. Auto trans. Vin code z. All. Aurora. Seville. G10-30 vans. 7.4l. Modulates the flow of exhaust...
$197.16
MSRP $348.96
Save $151.80
43.5% Off 
Air Injection Valve
GM
12567733
Location-A.I.R. Pipes. S-series. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested...
$123.20
MSRP $218.06
Save $94.86
43.5% 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 
Vapor Canister Solenoid Valve Bracket
GM
84310455
4.3, 5.3, 6.2L. 2.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.41
MSRP $30.30
Save $8.89
29.3% Off 
Vapor Canister
GM
85158842
XT5. 2.0l. XT6. 2.0l. Blazer. 2.0l.
$301.90
MSRP $481.35
Save $179.45
37.3% Off 
Fuel Tank Vent Hose
GM
84884403
Fuel filler pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$42.67
MSRP $61.90
Save $19.23
31.1% Off 
Evaporative Emissions System Lines
GM
85818014
Rear, convertible.
$115.64
MSRP $204.68
Save $89.04
43.5% Off 
Nitrogen Oxides Sensor
GM
24001918
NOX Sensor. 2.8L turbo diesel egr valve & related components. lower. Detects the nitrogen oxide content of the exhaust to help optimize...
$169.60
MSRP $300.18
Save $130.58
43.5% Off 
Exhaust Gas Recirculation Cooler Temperature Sensor
GM
12677346
Silverado, sierra. 6.6l. Position 2. Temp sensor. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This GM Genuine Part is...
$32.32
MSRP $56.26
Save $23.94
42.6% 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,...
$257.56
MSRP $455.85
Save $198.29
43.5% Off 
Vapor Canister
GM
84316430
Malibu. 1.8l. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$100.50
MSRP $148.23
Save $47.73
32.2% 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...
$71.82
MSRP $127.12
Save $55.30
43.5% 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...
$321.41
MSRP $568.86
Save $247.45
43.5% Off 
Vapor Canister Hose
GM
20827320
3.6L with flex fuel. 3.5 & 3.9L. 5.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$81.98
MSRP $145.10
Save $63.12
43.5% Off 
Heated Oxygen Sensor
GM
12645561
ATS. 2.0l. Upper. CTS. 2.0l. Canister & sensors, 2.0l turbo. ATS. 2.5l. Coupe, 2.0L turbo. Sedan, canister & sensors, 2.5L. This part...
$55.21
MSRP $96.10
Save $40.89
42.5% 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
$30.77
MSRP $53.56
Save $22.79
42.6% Off 
Vapor Canister Vent Hose
GM
84429641
3.6L, without awd, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$62.92
MSRP $111.36
Save $48.44
43.5% Off 
Vapor Canister Air Inlet Hose
GM
84940072
Manufactured to GM OE specification for fit, form, and function
$56.82
MSRP $100.56
Save $43.74
43.5% Off 
Heated Oxygen Sensor
GM
12668435
Silverado, sierra. 5.3l. Upper. Left. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. Silverado, sierra. 4.3l. 4.3, 5.3, 6.2L, 4.3L....
$43.67
MSRP $76.02
Save $32.35
42.6% Off 
Vapor Canister Bracket
GM
20958879
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$72.90
MSRP $129.02
Save $56.12
43.5% Off 
Emission Reduction Fluid Control Module
GM
84880436
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$110.24
MSRP $195.12
Save $84.88
43.5% Off 
Vapor Canister Vent Hose
GM
84626475
FILLER PIPE. crew cab 5.8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$47.60
MSRP $72.68
Save $25.08
34.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84648525
2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$72.32
MSRP $128.00
Save $55.68
43.5% 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
$16.76
MSRP $27.04
Save $10.28
38% Off 
Heated Oxygen Sensor
GM
12567127
Front. 5.3L. SSR. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered,...
$64.57
MSRP $114.28
Save $49.71
43.5% Off 
Vapor Canister
GM
42763670
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$248.48
MSRP $385.78
Save $137.30
35.6% 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...
$190.33
MSRP $336.86
Save $146.53
43.5% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12701623
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$43.55
MSRP $66.49
Save $22.94
34.5% Off 
Exhaust Temperature Sensor
GM
19418900
Express, savana. 6.6l diesel. Position #3. 2010-16, egr valve & related components, at muffler. Silverado, sierra. 6.6l. Position 1....
$60.78
MSRP $107.58
Save $46.80
43.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342403
6.6L diesel, emission reduction system, double cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$73.60
MSRP $114.26
Save $40.66
35.6% Off 
Exhaust Temperature Sensor
GM
55499759
Location-Before Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating...
$40.98
MSRP $71.34
Save $30.36
42.6% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84720024
Emission reduction system, 3.0L diesel, reduction tank, short bed. This GM Genuine Part is designed, engineered, and tested to rigorous...
$84.28
MSRP $149.16
Save $64.88
43.5% Off 
Vapor Canister Vent Valve
GM
20880503
HHR. Sky. Solstice. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$37.24
MSRP $64.82
Save $27.58
42.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Pipe, Connectors, and Gasket
GM
89018175
Malibu, Malibu Maxx. 3.5l. 1st design. 3.5L, 2005-06. 3.5L, sedan. 3.5L, wagon. G6. 3.5l. 1st design. This GM Genuine Part is designed,...
$230.41
MSRP $407.80
Save $177.39
43.5% Off 
Diesel Emissions Fluid (DEF) Tank Filler Cap
GM
22753134
2010-16, emission reduction system. 2017-20, emission reduction system. 6.6L diesel, emission reduction system, 2017-19. 6.6L diesel,...
$19.95
MSRP $32.18
Save $12.23
38% Off 
Evaporative Emission Pipe
GM
42854468
Encore GX. To canister. 1.2L turbo. 1.3L turbo.
$45.58
MSRP $79.34
Save $33.76
42.6% Off 
Bracket
GM
85697744
6.6L diesel, emission reduction system.
$32.46
MSRP $56.50
Save $24.04
42.5% Off 
Heated Oxygen Sensor
GM
55506886
1.2L turbo. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$65.03
MSRP $115.10
Save $50.07
43.5% Off 
Vapor Canister Vent Valve
GM
25950499
2005-09. 2002-04. 4.3l. Location-Vapor Canister. 4.2L. 5.3L. All models. 6.0l. SSR. Controls fresh air flow to the canister
Sends fuel...
$52.57
MSRP $91.50
Save $38.93
42.5% 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...
$47.92
MSRP $83.42
Save $35.50
42.6% Off No results found. Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!