Emission Systems
2006-2017 GM - 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 
1994-1999 GM - 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...
$187.13
MSRP $348.96
Save $161.83
46.4% Off 
Exhaust Gas Re-Circulation (Egr) Valve Gasket
GM
12570863
Cover Gasket.
$4.75
MSRP $7.61
Save $2.86
37.6% Off 
1990-2002 GM - 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...
$116.93
MSRP $218.06
Save $101.13
46.4% Off 
2013-2022 GM - 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 
2019-2024 GM - 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
$19.82
MSRP $30.30
Save $10.48
34.6% Off 
2020-2021 Cadillac - Vapor Canister
GM
85158842
XT5. 2.0l. XT6. 2.0l. Blazer. 2.0l.
$286.54
MSRP $481.35
Save $194.81
40.5% Off 
2020-2022 Cadillac CT4 - 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
$41.13
MSRP $61.90
Save $20.77
33.6% Off 
Evaporative Emissions System Lines
GM
85818014
Rear, convertible.
$109.76
MSRP $204.68
Save $94.92
46.4% Off 
2020-2022 GM - 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...
$160.97
MSRP $300.18
Save $139.21
46.4% Off 
2017-2024 GM - 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...
$31.15
MSRP $56.26
Save $25.11
44.6% Off 
2011-2016 GM - 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,...
$244.45
MSRP $455.85
Save $211.40
46.4% Off 
2019 Chevrolet Malibu - 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...
$97.08
MSRP $148.23
Save $51.15
34.5% Off 
2008-2012 GM - 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...
$69.38
MSRP $127.12
Save $57.74
45.4% Off 
2004-2005 GM - Air Injection Valve
GM
12619127
California emissions, front. Seville. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$305.05
MSRP $568.86
Save $263.81
46.4% Off 
2006-2016 Chevrolet - 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...
$79.19
MSRP $145.10
Save $65.91
45.4% Off 
2013-2016 Cadillac - 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...
$53.22
MSRP $96.10
Save $42.88
44.6% Off 
2010-2015 Chevrolet Camaro - 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
$29.66
MSRP $53.56
Save $23.90
44.6% Off 
2018-2019 Buick LaCrosse - 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...
$60.77
MSRP $111.36
Save $50.59
45.4% Off 
2020-2025 Cadillac CT4 - Vapor Canister Air Inlet Hose
GM
84940072
Manufactured to GM OE specification for fit, form, and function
$54.88
MSRP $100.56
Save $45.68
45.4% 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....
$42.10
MSRP $76.02
Save $33.92
44.6% Off 
2014-2019 Chevrolet Corvette - Vapor Canister Bracket
GM
20958879
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$70.41
MSRP $129.02
Save $58.61
45.4% 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
$104.63
MSRP $195.12
Save $90.49
46.4% Off 
2019-2025 GM - 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...
$45.88
MSRP $72.68
Save $26.80
36.9% Off 
2017-2021 GM - 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...
$69.86
MSRP $128.00
Save $58.14
45.4% Off 
2010-2017 GM - 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
$15.51
MSRP $27.04
Save $11.53
42.6% Off 
2003-2004 GM - 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,...
$62.37
MSRP $114.28
Save $51.91
45.4% Off 
2016-2022 GM - Vapor Canister
GM
42763670
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$235.83
MSRP $385.78
Save $149.95
38.9% Off 
2010-2016 GM - 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...
$180.64
MSRP $336.86
Save $156.22
46.4% Off 
2017-2020 Buick - 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
$41.97
MSRP $66.49
Save $24.52
36.9% Off 
Fluid Pipe
GM
87812318
3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
$67.41
MSRP $123.52
Save $56.11
45.4% Off 
2007-2016 GM - 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....
$58.71
MSRP $107.58
Save $48.87
45.4% Off 
2020-2024 GM - 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...
$71.09
MSRP $114.26
Save $43.17
37.8% Off 
2019-2022 GM - Exhaust Temperature Sensor
GM
55499759
Location-Before Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating...
$39.50
MSRP $71.34
Save $31.84
44.6% Off 
2020-2025 GM - 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...
$81.40
MSRP $149.16
Save $67.76
45.4% Off 
2006-2011 GM - 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...
$35.89
MSRP $64.82
Save $28.93
44.6% Off 
2005-2006 GM - 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,...
$218.68
MSRP $407.80
Save $189.12
46.4% Off 
2010-2022 GM - 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,...
$18.46
MSRP $32.18
Save $13.72
42.6% Off 
Evaporative Emission Pipe
GM
42854468
Encore GX. To canister. 1.2L turbo. 1.3L turbo.
$43.93
MSRP $79.34
Save $35.41
44.6% Off 
Bracket
GM
85697744
6.6L diesel, emission reduction system.
$31.29
MSRP $56.50
Save $25.21
44.6% Off 
2020-2024 GM - 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...
$62.82
MSRP $115.10
Save $52.28
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