Emission Systems
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
GM
12337972
All models. S-series. 4.3l. S-series. 2.5l. 4.3L, efi. 5.7L. Helps provide a leak-free seal
Allows exhaust pollutants to enter the...
$4.02
MSRP $6.28
Save $2.26
36% Off 
Heated Oxygen Sensor
GM
12696642
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 2. This part requires programming and/or special setup procedures GM...
$65.05
MSRP $117.20
Save $52.15
44.5% Off 
Secondary Air Injection Pump
GM
12643965
Impala. 3.6l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
$176.55
MSRP $322.46
Save $145.91
45.2% Off 
Air Injection Valve
GM
12619109
Canyon, Colorado. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous...
$287.01
MSRP $526.62
Save $239.61
45.5% Off 
Exhaust Pipe Gasket
GM
12617475
With diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$15.49
MSRP $21.71
Save $6.22
28.7% Off 
Secondary Air Injection Check Valve Kit with Retainers and Bolts
GM
12623091
Air injection system, 2.4L. Malibu. 2.4l. Equinox, Terrain. LaCrosse. Aura. 2.4L, with pzev. Cobalt. 2.2l. Air injection system, 2009....
$183.88
MSRP $335.86
Save $151.98
45.3% Off 
PCV Valve Tubing
GM
12611749
3.0L & 3.6L, 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.62
MSRP $15.52
Save $5.90
38% Off 
Multi-Purpose Bolt Retainer
GM
11518792
Double & crew cab. 4.3, 5.3, 6.2L. Regular cab. 1.3l turbo, cvt. 3.6L. 4.2L twin-turbo. 2019. 2020. 2.4L 2012-13. With zr1. This GM...
$5.49
MSRP $7.54
Save $2.05
27.2% Off 
Heated Oxygen Sensor
GM
12612797
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$77.18
MSRP $139.06
Save $61.88
44.5% Off 
Vapor Canister
GM
15109431
Tahoe, Yukon. Escalade ESV. Suburban. Yukon XL. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$195.49
MSRP $357.06
Save $161.57
45.3% Off 
M10x1.5 Multi-Purpose Nut
GM
15709703
2.5L. 2007-08. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision...
$5.03
MSRP $6.56
Save $1.53
23.3% Off 
Vapor Canister Purge Tube
GM
12616192
6.0 6.2L without supercharged 7.0L. #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$40.14
MSRP $70.42
Save $30.28
43% Off 
Heated Oxygen Sensor
GM
12667438
Acadia. 3.6l. Lower. Enclave. Upstream. Blazer. 3.6l. XT5. 3.6l. XT6. 2.5L, 3.6L. 3.6L. This part requires programming and/or special...
$49.51
MSRP $86.86
Save $37.35
43% Off 
Vapor Canister Hose
GM
15213159
3.6L without flex fuel. 3.5 & 3.9L without flex fuel. 5.3L. This GM Genuine Part is designed, engineered, and tested to rigorous...
$44.25
MSRP $68.10
Save $23.85
35% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12670791
5.3 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.62
MSRP $39.70
Save $16.08
40.5% Off 
Heated Oxygen Sensor
GM
12655678
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$48.86
MSRP $85.72
Save $36.86
43% Off 
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
GM
12554530
Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$11.06
MSRP $17.85
Save $6.79
38% Off 
Heated Oxygen Sensor
GM
12589321
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$83.67
MSRP $150.76
Save $67.09
44.5% Off 
Injector
GM
12743094
Emissions reductant. Silverado, Sierra 2500 HD. To 11/17/20. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
$141.08
MSRP $257.68
Save $116.60
45.2% Off 
Passenger Side Positive Crankcase Ventilation Tube
GM
12681424
2016-19, valve cover. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.13
MSRP $37.20
Save $15.07
40.5% Off 
Egr Pipe
GM
12688016
Silverado, Sierra 2500 HD. To egr valve. Silverado, Sierra 3500 HD. 6.6L diesel, egr valve & related components, 2017-19. Sierra,...
$94.99
MSRP $171.16
Save $76.17
44.5% 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...
$218.87
MSRP $399.76
Save $180.89
45.2% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12601254
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$27.98
MSRP $43.05
Save $15.07
35% Off 
Inlet Hose
GM
12744385
6.6L diesel, egr valve & related components, 2017-19. 6.6L diesel, 1st design. Inlet. Cooler to Valve.
$13.33
MSRP $22.40
Save $9.07
40.5% Off 
Nitrogen Oxide Sensor
GM
12708006
NOX Sensor. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2020-23.
Heated Oxygen Sensor
GM
12637297
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$47.63
MSRP $83.57
Save $35.94
43% Off 
Heated Oxygen Sensor
GM
12681390
1.3L turbo. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$44.52
MSRP $78.10
Save $33.58
43% Off 
Heated Oxygen Sensor
GM
12596688
Equinox, Torrent. 3.6l. At converter. This part requires programming and/or special setup procedures GM Service Information describes...
$104.68
MSRP $188.62
Save $83.94
44.5% Off 
Passenger Side Turbocharger Control Solenoid Valve
GM
12654584
3.0L twin-turbo, wastegate system. Charge air bypass. CT6. 3.0l. Right. This GM Genuine Part is designed, engineered, and tested to...
$255.22
MSRP $410.80
Save $155.58
37.9% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12670772
2015-16. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$47.75
MSRP $83.78
Save $36.03
43% 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...
$208.32
MSRP $380.49
Save $172.17
45.2% Off 
Heated Oxygen Sensor
GM
12606671
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$54.39
MSRP $95.42
Save $41.03
43% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12655013
Coupe, 3.6L. 2016-19 3.6L. lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$32.35
MSRP $56.76
Save $24.41
43% Off 
Heated Oxygen Sensor
GM
12675980
Pre-catalyst. Upstream. Upper. Envision. 2.0l. Bank 1 sen 1. Traverse. 2.0l. Front. 2.0L turbo. This part requires programming and/or...
$57.19
MSRP $103.04
Save $45.85
44.5% Off 
Multi-Purpose Bolt
GM
11611692
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$45.82
MSRP $80.38
Save $34.56
43% Off 
Exhaust Temperature Sensor
GM
12623114
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$83.19
MSRP $149.88
Save $66.69
44.5% 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...
$62.78
MSRP $113.11
Save $50.33
44.5% Off 
Vapor Canister Purge Solenoid Valve
GM
12656577
Volt. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$36.88
MSRP $56.76
Save $19.88
35% Off 
Heated Oxygen Sensor
GM
12701634
1.5L turbo. Malibu. 1.5l. With high output. Spark. 1.5, 2.0L, 1.5L. Equinox, Terrain. 1.5l. This part requires programming and/or...
$71.44
MSRP $128.72
Save $57.28
44.5% 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 
Positive Crankcase Ventilation (PCV) Hose
GM
12620302
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.49
MSRP $8.58
Save $3.09
36% Off 
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