Emission Systems
2003-2008 GM - Knock Sensor Grommet
GM
12558177
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.61
MSRP $18.45
Save $5.84
31.7% Off 
2017-2022 GM - 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
$27.93
MSRP $42.69
Save $14.76
34.6% Off 
2011-2016 GM - 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...
$7.14
MSRP $11.90
Save $4.76
40% Off 
2000-2016 GM - 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
$31.34
MSRP $45.52
Save $14.18
31.2% Off 
2011-2013 Chevrolet Volt - Vapor Canister Air Inlet Filter
GM
20848506
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$26.75
MSRP $38.84
Save $12.09
31.1% Off 
2019-2025 Cadillac XT4 - Vapor Canister Air Inlet Hose
GM
84565279
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$62.29
MSRP $114.14
Save $51.85
45.4% Off 
2000-2020 GM - Vapor Canister Vent Solenoid
GM
20941985
Terraza, Uplander. Impala, Monte Carlo. Relay. Location-Vapor Canister. Round Filter. GTO. Without round shape valve. Grand Prix. 3.6L....
$28.15
MSRP $50.84
Save $22.69
44.6% Off 
2004-2008 Chevrolet - 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
$39.17
MSRP $62.04
Save $22.87
36.9% Off 
2019-2024 GM - 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
$27.33
MSRP $41.79
Save $14.46
34.6% Off 
2017-2020 GM - 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
$47.49
MSRP $71.46
Save $23.97
33.5% Off 
2015-2022 GM - Evaporative Emission System Vacuum Leak Pump Filter
GM
85513066
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$52.14
MSRP $94.16
Save $42.02
44.6% Off 
2016-2019 Cadillac CTS - Driver Side Positive Crankcase Ventilation (PCV) Fresh Air Tube
GM
12690758
2016-19, valve cover. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.04
MSRP $26.22
Save $11.18
42.6% Off 
2002-2005 GM - 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...
$88.48
MSRP $165.01
Save $76.53
46.4% Off 
2016-2022 Chevrolet Spark - Vapor Canister Purge Pipe
GM
94517136
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$85.32
MSRP $130.28
Save $44.96
34.5% Off 
2017-2022 GM - Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84593739
2017-20, emission reduction system.
$290.52
MSRP $541.76
Save $251.24
46.4% Off 
2007-2017 GM - 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...
$57.06
MSRP $104.56
Save $47.50
45.4% Off 
Evaporator Tube
GM
85731496
FILLER PIPE. regular cab type 1.
$60.65
MSRP $111.14
Save $50.49
45.4% Off 
2018-2020 GM - 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...
$64.17
MSRP $117.58
Save $53.41
45.4% Off 
2019-2025 GM - Evaporative Emission Canister Vent Hose
GM
84706626
Filler pipe, regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$58.89
MSRP $93.29
Save $34.40
36.9% Off 
2023-2024 GM - Nitrogen Oxide 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....
$87.11
MSRP $162.44
Save $75.33
46.4% Off 
2001-2011 GM - 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...
$169.95
MSRP $316.92
Save $146.97
46.4% Off 
2017-2020 GM - Vapor Canister
GM
84106550
Tahoe, Yukon, Escalade. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine...
$191.74
MSRP $367.22
Save $175.48
47.8% Off 
2007-2016 GM - 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...
$54.72
MSRP $100.26
Save $45.54
45.4% Off 
2020-2024 GM - Exhaust Temperature Sensor
GM
55491112
Silverado, sierra. Sensors, 3.0L diesel, position 2. Helps provide accurate temperature detection
Heat and vibration resistant for...
$44.53
MSRP $80.42
Save $35.89
44.6% Off 
Canister Hose
GM
85011699
6.2L, #2, Escalade. 5.3, 6.2L. #2.
$87.62
MSRP $163.40
Save $75.78
46.4% Off 
2021-2024 GM - 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
$16.86
MSRP $29.38
Save $12.52
42.6% Off 
1988-1993 GM - Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210666
Firebird. Engine code e. Camaro. Chevrolet. 5.0l. Federal. Optional. This GM Genuine Part is designed, engineered, and tested to...
$92.26
MSRP $172.03
Save $79.77
46.4% Off 
2011-2018 Chevrolet - Vapor Canister Purge Valve
GM
28289971
Without diesel, 1.8L. Cruze, Cruze Limited. 1.8l.
$35.02
MSRP $63.25
Save $28.23
44.6% Off 
2016-2019 GM - Nitrogen Oxides Sensor
GM
24000395
Canyon, Colorado. 2.8l. 2.8L turbo diesel, egr valve & related components, upper. Detects the nitrogen oxide content of the exhaust to...
$270.24
MSRP $503.94
Save $233.70
46.4% Off 
1993-1996 GM - Heated Oxygen Sensor
GM
19178938
Without diesel. Gas engines. With gas. 3 wire. Astro, Safari. 4.3l. Front of converter. All models. 3.8l. To converter. Heated (3 wire)....
$72.21
MSRP $132.32
Save $60.11
45.4% Off 
2014-2015 Chevrolet Cruze - Position 1 Nitrogen Oxide Sensor Adapter
GM
12662658
Cruze. Front nox sensor. With diesel, egr valve & related components. This part requires programming and/or special setup procedures GM...
$317.00
MSRP $591.14
Save $274.14
46.4% Off 
2013-2017 GM - 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...
$249.08
MSRP $464.48
Save $215.40
46.4% Off 
2011-2016 GM - Exhaust Gas Recirculation (EGR) Valve
GM
12665547
Silverado, sierra. 6.6l. Front. 6.6L diesel, egr valve & related components, 2015-16. This GM Genuine Part is designed, engineered, and...
$369.70
MSRP $689.43
Save $319.73
46.4% Off 
2016-2019 Cadillac ATS - Engine Mount Vacuum Hose
GM
23234890
Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$72.68
MSRP $116.82
Save $44.14
37.8% Off 
2016-2024 GM - 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...
$19.14
MSRP $33.36
Save $14.22
42.6% Off 
2011-2024 GM - Vapor Canister Vent Solenoid
GM
84148825
Without diesel. Location-Vapor Canister. Silverado, Sierra 3500 HD. Extended crew cab. Regular cab chassis. 137.0. , 3/4 ton. Controls...
$21.81
MSRP $38.05
Save $16.24
42.7% Off 
2012-2014 GM - Secondary Air Injection Pump Inlet Hose
GM
22826519
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$50.03
MSRP $90.34
Save $40.31
44.6% Off 
2023-2024 GM - Exhaust Gas Re-Circulation (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.
$107.64
MSRP $200.72
Save $93.08
46.4% Off 
2008-2012 GM - Positive Crankcase Ventilation (PCV) Hose
GM
12617908
Malibu. 2.4l. 2.4L, 2008-10. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$22.31
MSRP $38.88
Save $16.57
42.6% Off 
2005-2008 Buick LaCrosse - Heated Oxygen Sensor
GM
12587096
LaCrosse. 3.6L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$101.81
MSRP $189.85
Save $88.04
46.4% Off 
2006-2011 GM - Heated Oxygen Sensor
GM
12597990
DTS. Lucerne. Front. 4.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
$59.98
MSRP $109.90
Save $49.92
45.4% Off 
2016-2024 GM - 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
$23.70
MSRP $36.21
Save $12.51
34.5% Off 
2018-2024 GM - Heated Oxygen Sensor
GM
12671087
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$41.40
MSRP $74.76
Save $33.36
44.6% Off 
1990-2001 GM - Oxygen Sensor
GM
24576791
2.2L, at manifold, without flexible fuel. S-series. 2.2l. Front. Extended Build Date. 2.2L, post converter. 2.2L, at manifold, all....
$47.53
MSRP $85.84
Save $38.31
44.6% Off 
2010-2016 GM - 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,...
$8.00
MSRP $13.32
Save $5.32
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