Emission Systems
availability
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...
$272.16
MSRP $477.48
Save $205.32
43% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12668054
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.24
MSRP $17.36
Save $7.12
41% Off 
Heated Oxygen Sensor
GM
12655678
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$50.07
MSRP $86.32
Save $36.25
42% Off 
Canister
GM
42934266
LaCrosse. Regal Sportback. 2.0l. Fwd. 3.6L, without awd, 1st design. 2.5L, 1st design. 1.5L turbo. 2.0L turbo.
$129.17
MSRP $226.62
Save $97.45
43% Off 
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,...
$8.09
MSRP $13.70
Save $5.61
40.9% Off 
Multi-Purpose Relay
GM
13468934
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$8.81
MSRP $14.94
Save $6.13
41% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12642631
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$25.28
MSRP $43.58
Save $18.30
42% Off 
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...
$20.24
MSRP $34.30
Save $14.06
41% Off Pickup only
Pickup only
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...
$188.54
MSRP $275.65
Save $87.11
31.6% 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...
$71.96
MSRP $125.14
Save $53.18
42.5% 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...
$195.93
MSRP $343.74
Save $147.81
43% Off 
Emission Reduction Fluid Tank Reservoir Wire Harness
GM
84410276
1.6L, reduction tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$64.08
MSRP $97.77
Save $33.69
34.5% Off 
Valve Gasket
GM
10100094
All models. 3.4l. Exc.Valve Stamped #88157. 2nd Design.
$6.74
MSRP $11.42
Save $4.68
41% Off 
Vapor Canister
GM
19316229
City Express. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$243.58
MSRP $427.34
Save $183.76
43% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84593740
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$317.44
MSRP $556.92
Save $239.48
43% Off 
Vapor Canister Vent Solenoid
GM
19329627
G8. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM Genuine...
$32.87
MSRP $56.68
Save $23.81
42% Off 
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.
$114.32
MSRP $198.82
Save $84.50
42.5% Off 
Oxygen Sensor
GM
12697860
Traverse. 2.5l. Upstream. Acadia. 2.5l.
$21.69
MSRP $36.76
Save $15.07
41% 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...
$106.08
MSRP $184.48
Save $78.40
42.5% Off 
Evaporative Emission Pipe
GM
19316263
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.35
MSRP $39.57
Save $16.22
41% 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...
$39.31
MSRP $67.78
Save $28.47
42% Off 
Secondary Air Injection Pump with Bracket
GM
10380789
DTS. Lucerne. 4.6l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered,...
$268.17
MSRP $470.46
Save $202.29
43% 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...
$180.64
MSRP $316.92
Save $136.28
43% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12665107
With supercharger, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$83.27
MSRP $144.82
Save $61.55
42.5% Off 
Heated Oxygen Sensor
GM
12584925
Lucerne. Front. 3.9l. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$100.05
MSRP $173.99
Save $73.94
42.5% 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...
$87.20
MSRP $151.67
Save $64.47
42.5% 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...
$42.77
MSRP $73.74
Save $30.97
42% 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...
$356.51
MSRP $636.62
Save $280.11
44% 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...
$87.24
MSRP $151.70
Save $64.46
42.5% Off 
Heated Oxygen Sensor
GM
12617332
Corvette. Eng. ls9, ls7. Camaro. 6.2l. Front. 2011-15, 6.2L. With supercharged. Caprice PPV. 6.0l. SS. 2011-15, 7.0L. 2010, 6.2L. This...
$100.66
MSRP $175.06
Save $74.40
42.5% Off 
Vapor Canister Vent Solenoid
GM
22783574
Silverado, sierra. Standard cab. Location-Vapor Canister. Incl.Hose. Controls fresh air flow to the canister
Sends fuel vapors to the...
$100.19
MSRP $174.24
Save $74.05
42.5% Off 
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...
$340.31
MSRP $607.70
Save $267.39
44% Off 
Oxygen Sensor
GM
12705409
Canister & sensors, 6.2L. CT5. 6.2l. Upstream. Right.
$54.24
MSRP $93.52
Save $39.28
42% Off 
Vapor Canister Purge Tube
GM
12649448
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.42
MSRP $26.14
Save $10.72
41% Off 
Vapor Canister Purge Tube
GM
12658981
CTS. 3.6l. With vsport. ATS. 3.6l. With v-series. Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to...
$63.93
MSRP $111.18
Save $47.25
42.5% Off 
Vapor Canister Vent Shield
GM
25744795
Without diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$69.58
MSRP $121.00
Save $51.42
42.5% 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
$29.02
MSRP $43.88
Save $14.86
33.9% 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...
$234.25
MSRP $410.96
Save $176.71
43% Off 
Reductant Control Module
GM
40009451
Emission reduction level. Silverado, Sierra 2500 HD. 6.6L diesel, emission reduction system. Silverado, Sierra 3500 HD. Suburban. 3.0l...
$109.35
MSRP $190.18
Save $80.83
42.5% 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...
$63.51
MSRP $110.45
Save $46.94
42.5% 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!