Emission Systems
availability
Nitrogen Oxide Sensor
GM
40009339
3.0L diesel, sensors, 2021-24. Upper. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. NOX Sensor. Yukon. 3.0l diesel.
$110.35
MSRP $198.82
Save $88.47
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210681
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$99.28
MSRP $178.85
Save $79.57
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210674
5.0l. Firebird. Auto trans. Manual trans. M39. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$81.91
MSRP $147.56
Save $65.65
44.5% Off 
5-Way Female Gray Multi-Purpose Pigtail
GM
15306027
California emissions. 2000-03. Federal emissions. 2004-05. 3.1 & 3.4L, 1995-99, 3.4L. 3.8L. Protective outer coverings help provide...
$37.59
MSRP $65.94
Save $28.35
43% Off 
Fuel Tank Vent Pipe
GM
25910600
Vent pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$105.19
MSRP $166.25
Save $61.06
36.7% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342405
6.6L diesel, emission reduction system, crew cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$67.57
MSRP $121.74
Save $54.17
44.5% Off 
Canister
GM
85667109
Envision. 2.5l. Without california emissions. Envision. 2.0l.
$189.42
MSRP $345.98
Save $156.56
45.3% 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
$20.72
MSRP $30.30
Save $9.58
31.6% Off 
Emission Reduction Fluid Tank Filler Hose
GM
84247677
6.6L diesel, emission reduction system, 2017-19. 6.6L diesel, emission reduction system, 2015-16. This GM Genuine Part is designed,...
$54.87
MSRP $96.26
Save $41.39
43% 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...
$337.51
MSRP $619.28
Save $281.77
45.5% Off 
Vapor Canister
GM
20779951
ATS. Pzev (code nu6). Without v-series. With pzev. Calif. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel...
$99.60
MSRP $179.46
Save $79.86
44.5% Off 
Diesel Emissions Reduction Fluid (DEF) Injector
GM
12656061
Cruze. With diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$218.87
MSRP $399.76
Save $180.89
45.2% Off 
Fuel Tank Filler Vent Hose
GM
84564116
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.40
MSRP $41.52
Save $13.12
31.6% Off 
Heated Oxygen Sensor
GM
12596740
Hummer H3. 3.5l, 3.7l. Rear. 3.5 & 3.7L. This part requires programming and/or special setup procedures GM Service Information describes...
$62.78
MSRP $113.11
Save $50.33
44.5% Off 
Vapor Canister
GM
42763670
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$240.78
MSRP $385.78
Save $145.00
37.6% Off 
Oxygen Sensor
GM
12705409
Canister & sensors, 6.2L. CT5. 6.2l. Upstream. Right.
$53.31
MSRP $93.52
Save $40.21
43% Off 
Exhaust Temperature Sensor
GM
55583113
1st Design. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$98.79
MSRP $178.00
Save $79.21
44.5% Off 
Oxygen Sensor
GM
88973751
Vibe. Without awd. With gt. Rear. Fwd, 1.8l with ho. From 11/2003.
$86.94
MSRP $156.64
Save $69.70
44.5% Off 
Heated Oxygen Sensor
GM
12607410
CTS-v. Front. Coupe, 6.2L. Wagon, 6.2L. This part requires programming and/or special setup procedures GM Service Information describes...
$50.91
MSRP $89.32
Save $38.41
43% 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
$27.75
MSRP $42.69
Save $14.94
35% Off 
Heated Oxygen Sensor
GM
12601266
3.6. CTS. Rear. Left. STS, STS-v. 3.6l. 3.6L, auto trans. This part requires programming and/or special setup procedures GM Service...
$42.03
MSRP $73.74
Save $31.71
43% Off 
Heated Oxygen Sensor
GM
19209808
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$81.61
MSRP $147.04
Save $65.43
44.5% Off 
Turbocharger Intercooler Bypass Valve
GM
55574902
Turbo bypass solenoid. Encore. Eng. vin b - luv. Charge air bypass. Sonic. 1.4l. Helps regulate air pressure entering your vehicle's...
$56.92
MSRP $87.59
Save $30.67
35% Off 
EGR Cooler Inlet Pipe Gasket
GM
55496995
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$1.61
MSRP $2.68
Save $1.07
39.9% Off 
F (S)Valve
GM
12735401
With supercharged. Camaro. 6.2l. 2011-15, 6.2L, with supercharger. Coupe, 6.2L.
$34.94
MSRP $61.30
Save $26.36
43% Off 
Diesel Exhaust Fluid (Def) Injector
GM
40009107
Silverado, sierra. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. 3.0L diesel emission reduction system.
$109.99
MSRP $198.18
Save $88.19
44.5% Off 
Exhaust Gas Recirculation (EGR) Cooler Gasket
GM
12641662
2017-20, egr valve & related components. Express, savana. 2.8l diesel. Egr cooler. 2.8L turbo diesel egr valve & related components....
$8.89
MSRP $15.12
Save $6.23
41.2% Off 
Nitrogen Oxides Sensor
GM
12708005
6.6L diesel, sensors. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE...
$183.07
MSRP $334.38
Save $151.31
45.3% Off 
Diesel Emissions Fluid (DEF) Exhaust Front Injector Supply Pipe Bracket
GM
22976413
With diesel, emission reduction system, 1st design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$32.93
MSRP $50.68
Save $17.75
35% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12679798
3.6L twin-turbo, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$39.34
MSRP $60.54
Save $21.20
35% 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
$352.89
MSRP $647.50
Save $294.61
45.5% 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...
$182.21
MSRP $332.80
Save $150.59
45.2% Off 
Vapor Canister Vent Hose
GM
84428900
With awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.79
MSRP $111.34
Save $49.55
44.5% Off 
Heated Oxygen Sensor
GM
12580466
Impala, Monte Carlo. 5.3l. Grand Prix. Front. 5.3l. At manifold, 5.3L. LaCrosse. CTS. Engine control. 6.0l. This part requires...
$71.71
MSRP $129.21
Save $57.50
44.5% Off 
Heated Oxygen Sensor
GM
55565000
Astra. Rear (position 2). This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$60.18
MSRP $108.44
Save $48.26
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
55497054
1.6L, egr cooler, large. Equinox, Terrain. 1.6l diesel. Cruze. 1.6l. Helps provide a leak-free seal
Allows exhaust pollutants to enter...
$5.42
MSRP $9.04
Save $3.62
40% Off 
Vapor Canister Purge Pipe
GM
25792594
3.5 & 3.9L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$313.15
MSRP $571.96
Save $258.81
45.2% Off 
Emission Reduction Fluid Tank Reservoir Wire Harness
GM
84278882
2.8L turbo diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$75.44
MSRP $135.92
Save $60.48
44.5% 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...
$60.99
MSRP $109.90
Save $48.91
44.5% Off 
F (S)Shield
GM
85697764
6.6L diesel, emission reduction system.
$20.58
MSRP $28.58
Save $8.00
28% Off 
Vent Hose
GM
86551528
Awd. Fwd. Traverse. 2.5l. Acadia. 2.5l.
$29.30
MSRP $51.40
Save $22.10
43% Off 
Evaporative Emission Front Hose
GM
84850440
1.5, 2.0L, 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$63.35
MSRP $114.14
Save $50.79
44.5% 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!