Emission Systems
availability
Heated Oxygen Sensor
GM
12679686
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 2 sensor 1. This part requires programming and/or special setup procedures GM...
$108.57
MSRP $195.62
Save $87.05
44.5% Off 
Egr Cooler
GM
40009587
Silverado, sierra. 3.0l diesel. Tahoe. 3.0l diesel. Suburban. 3.0l diesel. Yukon XL. 3.0l diesel. Escalade. 3.0l diesel. 3.0L diesel low...
$169.93
MSRP $309.52
Save $139.59
45.1% Off 
Secondary Air Injection Pump Hose
GM
55567469
Without diesel 1.8L. Air hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$28.12
MSRP $49.34
Save $21.22
43% Off 
Secondary Air Injection Pump with Bracket
GM
12634456
Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to...
$200.78
MSRP $365.72
Save $164.94
45.1% Off 
Heated Oxygen Sensor
GM
55584585
Volt. Upper. ELR. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$123.85
MSRP $225.60
Save $101.75
45.1% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12681076
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$92.53
MSRP $146.24
Save $53.71
36.7% Off 
Fuel Tank Filler Vent Hose
GM
20933031
6.6L diesel, 6.5 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.45
MSRP $10.36
Save $2.91
28.1% Off 
Heated Oxygen Sensor
GM
88974383
Fwd, 1.8l without ho. Vibe. Without awd. Without gt. Front. This part requires programming and/or special setup procedures GM Service...
$122.64
MSRP $223.38
Save $100.74
45.1% Off 
Heated Oxygen Sensor Bracket
GM
19316341
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.99
MSRP $11.09
Save $3.10
28% Off 
Vapor Canister
GM
23304687
Volt. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine...
$256.84
MSRP $389.86
Save $133.02
34.1% Off 
Secondary Air Injection Pump Bracket
GM
12638137
A.i.r. Pump, 3.6L with pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$59.65
MSRP $94.28
Save $34.63
36.7% Off 
Exhaust Temperature Sensor
GM
55499760
Location-Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$36.95
MSRP $64.82
Save $27.87
43% 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
$231.18
MSRP $421.10
Save $189.92
45.1% Off 
Vapor Canister Vent Valve
GM
20880503
HHR. Sky. Solstice. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$37.98
MSRP $66.64
Save $28.66
43% Off 
Vapor Canister Purge Tube
GM
12678817
Canister & sensors, 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$54.16
MSRP $83.33
Save $29.17
35% 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...
$100.95
MSRP $181.90
Save $80.95
44.5% Off 
Vapor Canister Vent Valve
GM
12559015
Location-Vapor Canister. Square. All models. 4.3l. Hummer H2. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$25.27
MSRP $44.34
Save $19.07
43% Off 
Position 2 Exhaust Temperature Sensor
GM
12643373
Express, savana. 6.6l diesel. Position #2. 2010-16, egr valve & related components, at converter & pipe. Helps provide accurate...
$139.11
MSRP $253.36
Save $114.25
45.1% Off 
Passenger Side Positive Crankcase Ventilation Tube
GM
12670907
Without supercharger, without dry sump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$48.32
MSRP $84.78
Save $36.46
43% Off 
Heated Oxygen Sensor
GM
55570074
Cascada. Bank 1 sen 2. 1.8L. This part requires programming and/or special setup procedures GM Service Information describes the...
$44.21
MSRP $77.56
Save $33.35
43% Off 
Vapor Canister Purge Tube
GM
12630246
Without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$35.25
MSRP $61.84
Save $26.59
43% Off 
Secondary Air Injection Pump Hose
GM
25817029
2.4L, air injection pump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$32.21
MSRP $56.50
Save $24.29
43% Off 
Sensor
GM
40009755
3.0L diesel 2021-24 sensors. To 05/20/2022. NOX Sensor. Suburban. 3.0l diesel. Lower. To 05/19/22. Tahoe. 3.0l diesel. Yukon. 3.0l...
$133.88
MSRP $243.86
Save $109.98
45.1% Off 
Exhaust Gas Recirculation Pipe
GM
40009037
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.52
MSRP $50.04
Save $21.52
43% 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,...
$107.48
MSRP $193.66
Save $86.18
44.5% Off 
Heated Oxygen Sensor
GM
12597878
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$58.20
MSRP $104.88
Save $46.68
44.5% Off 
Heated Oxygen Sensor
GM
12569429
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$64.98
MSRP $117.08
Save $52.10
44.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633792
Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$216.77
MSRP $394.84
Save $178.07
45.1% Off 
Heated Oxygen Sensor
GM
19178924
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$80.82
MSRP $145.62
Save $64.80
44.5% Off 
Heated Oxygen Sensor
GM
12592592
Canyon, Colorado. Without 5.3l. Front. 3.7L. This part requires programming and/or special setup procedures GM Service Information...
$70.78
MSRP $127.54
Save $56.76
44.5% Off 
Secondary Air Injection Hose
GM
25984607
2.4L air injection system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.02
MSRP $108.14
Save $48.12
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Pipe
GM
12632253
6.6L diesel, egr valve & related components, 2015-16. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$157.40
MSRP $286.70
Save $129.30
45.1% Off 
M6x2.22x24 Multi-Purpose Bolt
GM
11562253
6 x 2.22 x 24mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.43
MSRP $8.36
Save $1.93
23.1% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket, Seals, and Bolts
GM
55594609
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$207.73
MSRP $378.38
Save $170.65
45.1% Off 
Oxygen Sensor
GM
25319622
Rear. Cavalier, Sunfire. 2.3l. 2.2L, post converter. 2.3L, post converter.
$90.62
MSRP $163.28
Save $72.66
44.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12581194
3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.94
MSRP $16.01
Save $5.07
31.7% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12567275
Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$11.58
MSRP $19.27
Save $7.69
39.9% Off 
Pipe
GM
85856214
3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
$110.44
MSRP $201.16
Save $90.72
45.1% Off 
A.I.R Pump
GM
25207556
1.3L turbo. 2.7L. Trailblazer. 1.3l. Encore GX. 1.3l.
$100.54
MSRP $181.14
Save $80.60
44.5% Off 
Exhaust Temperature Sensor
GM
19418899
Silverado, sierra. 6.6l. Exhaust temp sensor. 6.6l. Position 3&4. 6.6L diesel, egr valve & related components, 2015-16, at muffler,...
$65.30
MSRP $117.66
Save $52.36
44.5% Off 
Exhaust Temperature Sensor
GM
19418987
6.6L diesel, egr valve & related components, 2015-16, at turbo exh pipe. This part requires programming and/or special setup procedures....
$50.55
MSRP $88.68
Save $38.13
43% Off 
Oxygen Sensor
GM
12705843
Traverse. 2.5l. Downstream. Acadia. 2.5l.
$14.78
MSRP $24.64
Save $9.86
40% 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!