Emission Systems
availability
Position 2 Exhaust Temperature Sensor
GM
12643246
Silverado, sierra. 6.6l. Position 1. Exhaust temp sensor. 6.6l. 6.6L diesel, egr valve & related components, 2015-16, at converter &...
$123.28
MSRP $239.38
Save $116.10
48.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633396
3.0L & 3.6L, 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$20.96
MSRP $39.92
Save $18.96
47.5% Off 
Heated Oxygen Sensor
GM
12611127
HHR. Cobalt. Canister & sensors, 2.2L. G5. Front (position 1). 2.4l. This part requires programming and/or special setup procedures GM...
$44.63
MSRP $85.00
Save $40.37
47.5% Off 
Nitrogen Oxides Sensor
GM
55515864
Nox. Position 1. 1.6L, sensors. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE...
$363.97
MSRP $706.74
Save $342.77
48.5% Off 
Vapor Canister Purge Tube
GM
12607115
6.0 6.2L without supercharged 7.0L. #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$11.72
MSRP $22.32
Save $10.60
47.5% Off 
Auxiliary Vapor Canister
GM
84492877
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$134.65
MSRP $273.88
Save $139.23
50.8% Off 
Heated Oxygen Sensor
GM
12565397
All models. 6.0l. All models. 8.1l. Calif. Express, savana. Over 8500 gvw. Without 7.4L, gas, 8.1l. Front of converter, 6.0l. Front of...
$74.05
MSRP $141.05
Save $67.00
47.5% Off 
Heated Oxygen Sensor
GM
12618010
2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools...
$59.52
MSRP $113.39
Save $53.87
47.5% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler Gasket
GM
55490621
Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$2.74
MSRP $4.57
Save $1.83
40% Off 
Vapor Canister
GM
88973481
2.4L, without awd, without gt. Vibe. 1.8l. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$285.90
MSRP $555.14
Save $269.24
48.5% Off 
Exhaust System Front Gasket
GM
55494714
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.57
MSRP $5.66
Save $2.09
36.9% Off 
Vapor Canister Vent Valve Solenoid
GM
19207763
Incl.Hose. Location-Vapor Canister. Silverado, sierra hybrid. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$122.27
MSRP $237.42
Save $115.15
48.5% Off 
Diesel Emissions Fluid (DEF) Supply Pump Module Seal
GM
22961657
2017-20, emission reduction system. 6.6L diesel, emission reduction system, 2017-19. 1.6L, reduction tank & components, sedan. 2.8L...
$14.05
MSRP $26.76
Save $12.71
47.5% Off 
PCV Tube
GM
25202896
2016-18. 2.0L, 2016-20. Sedan, 2.0L turbo. Coupe, 2.0L turbo.
$58.47
MSRP $111.38
Save $52.91
47.5% Off 
Purge Control Valve
GM
28289971
Without diesel, 1.8L. Cruze, Cruze Limited. 1.8l.
$33.20
MSRP $63.25
Save $30.05
47.5% Off 
Heated Oxygen Sensor
GM
12679885
Silverado, Sierra 2500 HD. Gas. Front. Silverado, Sierra 3500 HD. This part requires programming and/or special setup procedures. GM...
$47.94
MSRP $91.32
Save $43.38
47.5% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$92.35
MSRP $175.90
Save $83.55
47.5% Off 
F (S)Canister
GM
85609678
3.6L, with pzev, gas. 2.5L, with pzev.
$122.53
MSRP $237.92
Save $115.39
48.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12649933
3.6l. PCV hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$19.77
MSRP $37.66
Save $17.89
47.5% Off 
Secondary Air Injection Shut-Off Valve
GM
12660127
Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$195.96
MSRP $380.49
Save $184.53
48.5% Off 
Vapor Canister
GM
85158842
XT5. 2.0l. XT6. 2.0l. Blazer. 2.0l.
$275.19
MSRP $481.35
Save $206.16
42.8% Off 
Heated Oxygen Sensor
GM
12687257
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 1. This part requires programming and/or special setup procedures GM...
$110.31
MSRP $214.20
Save $103.89
48.5% 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
$8.56
MSRP $14.30
Save $5.74
40.1% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210684
5.0l. Throttle body injection. Auto trans. Tuned port injection. Manual trans. This GM Genuine Part is designed, engineered, and tested...
$88.23
MSRP $168.05
Save $79.82
47.5% Off 
Evaporator Tube
GM
86816451
6.6L gas, filler pipe, 8 ft box.
$58.45
MSRP $111.34
Save $52.89
47.5% Off 
Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$45.77
MSRP $87.18
Save $41.41
47.5% Off 
Heated Oxygen Sensor
GM
19178929
Cavalier, Sunfire. 2.4l. 2.4L, post converter. Rear, 2.4L. Cavalier, Sunfire. 2.2l. 2.4L, pre converter. Detects oxygen content in the...
$75.65
MSRP $144.08
Save $68.43
47.5% Off 
Multi-Purpose Stud
GM
14062201
2.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.24
MSRP $6.73
Save $2.49
37% Off 
Vapor Canister Vent Hose
GM
84404632
Without hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$32.61
MSRP $51.78
Save $19.17
37% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
25183476
Aveo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$156.25
MSRP $303.40
Save $147.15
48.5% Off 
Air Injection Valve
GM
12567733
Location-A.I.R. Pipes. S-series. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested...
$112.30
MSRP $218.06
Save $105.76
48.5% Off 
Air Tube
GM
12662883
3.0L twin-turbo, wastegate system, bypass valve, front.
$42.26
MSRP $70.61
Save $28.35
40.2% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
97288795
All models. 6.6l. From bottom of valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$7.28
MSRP $12.16
Save $4.88
40.1% Off 
Heated Oxygen Sensor
GM
12586996
Front. 4.2L. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and...
$92.35
MSRP $175.90
Save $83.55
47.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12630867
2014-15 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.70
MSRP $28.00
Save $13.30
47.5% Off 
By-Pass Hose
GM
12584338
2.0L, #1. 2.0L supercharged, return.
$36.30
MSRP $60.65
Save $24.35
40.1% 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...
$90.55
MSRP $172.49
Save $81.94
47.5% Off 
Heated Oxygen Sensor
GM
12590789
3.1l. Front. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and...
$57.27
MSRP $109.07
Save $51.80
47.5% 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!