Emission Systems
Air Tube
GM
12662884
3.0L twin-turbo, wastegate system, bypass valve, rear.
$39.51
MSRP $60.29
Save $20.78
34.5% Off 
Vapor Canister
GM
15861966
Malibu. 2.4l, 3.5l. 3.5L, 2007-10, california. Vapor canister/oxygen sensor, with pzev. 2.4L, california. Helps reduce harmful...
$375.06
MSRP $675.78
Save $300.72
44.5% Off 
Heated Oxygen Sensor
GM
19178918
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$83.53
MSRP $146.54
Save $63.01
43% Off 
Heated Oxygen Sensor
GM
12575657
SRX. 2nd design, 4.6L. CTS. Engine control. 2.8l. 1st design. Engine control. 3.6l. 1st design. Right. STS, STS-v. 4.6l. Front. This...
$170.25
MSRP $304.03
Save $133.78
44% Off 
Exhaust Gas Recirculation (EGR) Pipe
GM
55494203
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$45.10
MSRP $68.81
Save $23.71
34.5% 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
$101.07
MSRP $178.85
Save $77.78
43.5% Off 
PCV Tube
GM
12739532
6.6L diesel, oil lines. 6.6L diesel, upper components.
$63.70
MSRP $111.76
Save $48.06
43% Off 
Driver Side Positive Crankcase Ventilation Tube
GM
12670910
With supercharger, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$55.41
MSRP $96.36
Save $40.95
42.5% Off 
Position 2 Nitrogen Oxide Sensor Adapter
GM
12662659
Cruze. Rear nox sensor. With diesel, egr valve & related components. This part requires programming and/or special setup procedures GM...
$382.78
MSRP $689.70
Save $306.92
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12677819
Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. Helps provide a leak-free seal
Allows exhaust...
$23.44
MSRP $39.56
Save $16.12
40.7% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12652896
Calif. A.i.r. Pump, 3.6L with pzev. CTS. 3.6l. Left. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed,...
$148.41
MSRP $262.68
Save $114.27
43.5% Off 
Evaporative Emission Pipe
GM
19316263
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.45
MSRP $39.57
Save $16.12
40.7% 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...
$239.31
MSRP $427.34
Save $188.03
44% Off 
Vapor Canister
GM
22994510
LaCrosse. 2.4l. Regal. 2.4l. Fwd. California. Impala. 3.6l. With pzev. Impala. 2.5l. Pzev spec. Malibu. 2.4l. Impala. 2.4l. Helps reduce...
$278.34
MSRP $497.04
Save $218.70
44% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659585
3.6L twin-turbo, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$41.76
MSRP $72.62
Save $30.86
42.5% Off 
Vapor Canister Support Bracket
GM
22602967
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.92
MSRP $7.19
Save $2.27
31.6% Off 
Heated Oxygen Sensor
GM
12704309
Canister & sensors, 2.7L. CT4. 2.7l. Upstream. This part requires programming and/or special setup procedures GM Service Information...
$50.76
MSRP $77.44
Save $26.68
34.5% Off 
Vapor Canister Purge Solenoid Valve
GM
55509571
Cascada. Controls vapor flow from canister to engine
$48.68
MSRP $84.65
Save $35.97
42.5% Off 
Multi-Purpose Bolt
GM
15602721
Secondary pump, with california emission, 3.8L. Secondary pump, with california emission, 3.4L. This GM Genuine Part is designed,...
$0.89
MSRP $1.28
Save $0.39
30.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12620142
3.6L, 2012-14. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.20
MSRP $35.78
Save $14.58
40.7% Off 
Nitrogen Oxide Sensor Kit with Sensor and Clips
GM
19302359
Nitrogen oxide. Sierra, silverado. 6.6L diesel, egr valve & related components, 2015-16. NOX Sensor.
$400.24
MSRP $727.70
Save $327.46
45% Off 
Heated Oxygen Sensor
GM
12609456
Rear. 4.3L. Hummer H2. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$60.25
MSRP $105.70
Save $45.45
43% Off 
Diesel Emissions Fluid (DEF) Supply Pump Module Insulator
GM
22831816
6.6L diesel 2015-16 emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$16.44
MSRP $23.13
Save $6.69
28.9% Off 
Fuel Tank Vent Pipe
GM
12777878
Location-Vapor Canister. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$81.68
MSRP $119.43
Save $37.75
31.6% Off 
Heated Oxygen Sensor
GM
12611165
Corvette. Rear. 7.0L. With supercharged. This part requires programming and/or special setup procedures GM Service Information describes...
$110.42
MSRP $195.44
Save $85.02
43.5% Off 
Vapor Canister Purge Tube
GM
22825543
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$235.82
MSRP $421.10
Save $185.28
44% Off 
Vapor Canister Filter Kit with Seal
GM
19208017
3.6L. 2.4L. 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$96.86
MSRP $171.43
Save $74.57
43.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342404
6.6L diesel, emission reduction system, regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$76.16
MSRP $133.62
Save $57.46
43% Off 
Vapor Canister Vent Solenoid
GM
13576005
Acadia, Enclave, Traverse. Corvette. 3.5 & 3.9L with flex fuel. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$28.88
MSRP $48.74
Save $19.86
40.7% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210659
Buick. Chevrolet. 5.7l. Without zr1. Cadillac. 5.7l. Chevrolet. 4.3l. V-8. Calif. 5.7L, auto trans. This GM Genuine Part is designed,...
$107.62
MSRP $190.47
Save $82.85
43.5% Off 
Heated Oxygen Sensor
GM
55489474
XT4. Up stream. Upstream. Upper. Bank 1 sensor 1. Acadia. 2.0l. Blazer. 2.0l. This part requires programming and/or special setup...
$42.52
MSRP $73.93
Save $31.41
42.5% Off 
PCV Valve Tubing
GM
12640659
1.5L turbo. 1.4L, 2 ends. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$29.06
MSRP $50.54
Save $21.48
42.5% Off 
Vacuum Hose
GM
12656521
3.6L twin-turbo, wastegate system, #4.
$71.57
MSRP $110.13
Save $38.56
35% Off 
Heated Oxygen Sensor
GM
19178939
4.6L. Allante. 4.9L, california. All models. 4.9l. At manifold. Aurora. Detects oxygen content in the exhaust gases to help optimize...
$83.73
MSRP $146.90
Save $63.17
43% Off 
Secondary Air Injection Pipe Gasket
GM
12604517
Injection Pipe Gasket. Air injection system, 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$3.48
MSRP $5.80
Save $2.32
40% Off 
Heated Oxygen Sensor
GM
12695629
1.3L turbo. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$52.99
MSRP $80.85
Save $27.86
34.5% Off 
Air Injection Valve
GM
12619128
4.2L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$122.81
MSRP $217.37
Save $94.56
43.5% Off 
Vapor Canister Purge Solenoid
GM
22840966
Silverado, sierra. 6.0l. Crewith ext cab. Location-Vapor Canister. 6.0L, 6.5 ft box. 6.0L, 6.6 ft box. Suburban 3500hd.
$84.66
MSRP $148.51
Save $63.85
43% Off 
Vapor Canister Vent Solenoid
GM
21994122
Bonneville, LeSabre. Park Avenue. With supercharger 1998-2005. Seville. California emissions. 2000-03. Federal emissions. Aurora....
$38.32
MSRP $66.65
Save $28.33
42.5% Off 
Vapor Canister Solenoid
GM
84613097
6.6L gas, 8 ft box. Silverado, Sierra 2500 HD. Regular cab. Silverado, Sierra 3500 HD. Crew cab. Long box. Double/extended cab. Controls...
$63.14
MSRP $110.78
Save $47.64
43% Off 
Vapor Canister Filter Kit with Seal
GM
19177702
DTS. Cobalt. Canister & sensors. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$67.09
MSRP $117.70
Save $50.61
43% Off 
EGR Valve Gasket
GM
12647008
For EGR Valve. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system...
$24.35
MSRP $41.10
Save $16.75
40.8% Off 
Vapor Canister without Vent Valve Solenoid
GM
23294932
Volt. ELR. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$170.67
MSRP $304.76
Save $134.09
44% Off 
Vapor Canister Vent Hose
GM
84639339
6.6L gas, filler pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$52.58
MSRP $91.44
Save $38.86
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!