Emission Systems
Positive Crankcase Ventilation (PCV) Tube
GM
12673868
2.0L. 2016-18. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$270.61
MSRP $300.68
Save $30.07
10% Off 
Heated Oxygen Sensor
GM
12615194
CTS-v. Rear. Coupe, 6.2L. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$180.65
MSRP $200.72
Save $20.07
10% 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
$38.16
MSRP $42.40
Save $4.24
10% Off 
Heated Oxygen Sensor
GM
19355311
All models. 6.0l. Left. 6.0L, rear of converter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$147.89
MSRP $164.32
Save $16.43
10% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
10077547
4 cylinder. S-series. 2.8l. S-series. 2.2l. Cavalier. 2.2l. Sunfire. 2.2l. Helps provide a leak-free seal
Allows exhaust pollutants to...
$9.99
MSRP $11.10
Save $1.11
10% Off 
Vapor Canister Filter Hose
GM
84756741
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$148.45
MSRP $164.94
Save $16.49
10% Off 
Upper Oil Pan Bolt
GM
11548002
2.0L turbo. 3.0L diesel. 1.2L. 2019. Magnetic ride control, 5x17mm. 2020. 4.2L twin-turbo left side components. Water hose assy,lower...
$0.31
MSRP $0.34
Save $0.03
8.8% Off 
Heated Oxygen Sensor
GM
12640453
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$92.65
MSRP $102.94
Save $10.29
10% Off 
Heated Oxygen Sensor
GM
12572705
All models. 6.0l. Front, 8.1L. All models. 8.1l. Right. All models. 4.8l. All models. 4.3l. Rear, 8.1l. Silverado, sierra. 5.3l. 6.0L,...
$169.54
MSRP $188.38
Save $18.84
10% Off 
M10x1.5 Stainless Steel Exhaust Nut
GM
15032594
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are...
$6.27
MSRP $6.97
Save $0.70
10% Off 
Heated Oxygen Sensor
GM
12634062
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$145.08
MSRP $161.20
Save $16.12
10% Off 
Exhaust Gas Re-Circulation (Egr) Valve Temperature Sensor
GM
98240072
$113.27
MSRP $125.86
Save $12.59
10% Off 
Secondary Air Injection Check Valve
GM
55581479
Volt. ELR. With pzev. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous...
$211.56
MSRP $235.07
Save $23.51
10% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12655014
3.0L twin-turbo, small. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.87
MSRP $34.30
Save $3.43
10% Off 
Vapor Canister
GM
10376010
G6. Malibu Maxx. Malibu. 3.6l. Aura. 3.5l, 3.6l. Malibu Hybrid. 3.5L, wagon. 3.9L. 2.4L. Aura Green Line, Aura. Helps reduce harmful...
$416.83
MSRP $463.14
Save $46.31
10% 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...
$166.82
MSRP $185.36
Save $18.54
10% Off 
Secondary Air Injection Pipe
GM
12654274
A.i.r. Pump, 3.6L with pzev. CTS. 3.6l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is...
$289.66
MSRP $321.84
Save $32.18
10% Off 
Emission Reduction Fluid Tank Rear Bracket
GM
84070478
1.6L, reduction tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$74.66
MSRP $82.95
Save $8.29
10% Off 
Vapor Canister Purge Tube
GM
12571787
Federal emissions, 3.6L, canister to fuel tnk. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$43.97
MSRP $48.86
Save $4.89
10% Off 
Heated Oxygen Sensor
GM
12618009
Malibu. 2.4l. Rear. All. Vapor canister/oxygen sensor, 2.4L, 2nd design. This part requires programming and/or special setup procedures...
$158.31
MSRP $175.90
Save $17.59
10% Off 
Multi-Purpose Clamp
GM
11609970
Extended cab. Crew cab. 2.2L, 1998-2003. Outer. Regular cab. 4 wheel drive. Secondary pump, with california emission, upper pipe. 3.4L....
$5.05
MSRP $5.61
Save $0.56
10% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12652897
Calif. A.i.r. Pump, 3.6L with pzev. CTS. 3.6l. Right. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed,...
$232.06
MSRP $257.84
Save $25.78
10% Off 
F (S)Sensor
GM
19355317
Secondary. 2.4l. Secondary. 3.1l. 1996-98, 4 cylinder, at converter. 4 cylinder, #2. Exhaust pipe. 6 cylinder.
$133.79
MSRP $148.66
Save $14.87
10% Off 
F (S)Shield
GM
85697764
6.6L diesel, emission reduction system.
$25.72
MSRP $28.58
Save $2.86
10% Off 
Secondary Air Injection Pump Bracket
GM
55573925
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.87
MSRP $14.30
Save $1.43
10% Off 
Heated Oxygen Sensor
GM
12665061
2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools...
$81.18
MSRP $90.20
Save $9.02
10% 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...
$126.79
MSRP $140.88
Save $14.09
10% Off 
M8x1.25 Multi-Purpose Nut
GM
11514519
Coupe, without v. Sedan. 2013-2017. Wagon. Cadillac Escalade EXT. Escalade ESV. 1.8L, front section, #2. 1.6L, front section. Without...
$5.54
MSRP $6.16
Save $0.62
10.1% Off 
Oxygen Sensor
GM
19211437
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$31.28
MSRP $34.76
Save $3.48
10% Off 
Heated Oxygen Sensor
GM
12622643
Lucerne. 3.9L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$159.25
MSRP $176.94
Save $17.69
10% Off 
Evaporative Emission Front Pipe
GM
84543205
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$66.42
MSRP $73.80
Save $7.38
10% Off 
Front Vapor Canister Pipe
GM
39053266
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$95.58
MSRP $106.20
Save $10.62
10% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12703915
Coupe, 3.6L. Sedan, 3.6L. 2016-19 3.6L. upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$71.69
MSRP $79.66
Save $7.97
10% Off 
Engine Intake Manifold Cover
GM
12646131
2.0L turbo. 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$229.46
MSRP $254.95
Save $25.49
10% Off 
Nitrogen Oxides Sensor
GM
24001917
2017-20, egr valve & related components, front. Detects the nitrogen oxide content of the exhaust to help optimize emissions...
$292.21
MSRP $324.68
Save $32.47
10% Off 
Oxygen Sensor
GM
89017722
Rear. SRX. CTS. Catalyst monitoring. 3.6l. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part...
$155.24
MSRP $172.49
Save $17.25
10% Off 
Heated Oxygen Sensor
GM
12656543
Downstream. Malibu. 2.4l. 2.4L, with code: aua. This part requires programming and/or special setup procedures GM Service Information...
$162.58
MSRP $180.64
Save $18.06
10% Off 
Exhaust Gas Recirculation (EGR) Valve Pipe Gasket
GM
12553047
Without diesel, 6.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.11
MSRP $17.90
Save $1.79
10% Off 
Emission Reduction Fluid Tank Rear Bracket
GM
84902357
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$36.45
MSRP $40.50
Save $4.05
10% Off 
Oxygen Sensor
GM
12598176
Solstice. Sky. 2.4l. Rear (position 2).
$172.78
MSRP $191.98
Save $19.20
10% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
55570005
1.6L, egr cooler. Equinox, Terrain. 1.6l diesel. Cruze. 1.6l. This GM Genuine Part is designed, engineered, and tested to rigorous...
$384.77
MSRP $427.52
Save $42.75
10% 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
$44.53
MSRP $49.48
Save $4.95
10% Off 
Oxygen Sensor
GM
96951465
Aveo, Aveo5. Front. G3. Upper. This part requires programming and/or special setup procedures GM Service Information describes the...
$273.20
MSRP $303.56
Save $30.36
10% 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!