Emission Systems
Heated Oxygen Sensor
GM
12594452
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$78.97
MSRP $112.82
Save $33.85
30% 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....
$60.38
MSRP $86.26
Save $25.88
30% Off 
Exhaust Temperature Sensor
GM
19418988
Express, savana. 6.6l diesel. Position #1. 2010-16, egr valve & related components, at turbo exh pipe. This part requires programming...
$49.85
MSRP $71.22
Save $21.37
30% Off 
Heated Oxygen and Exhaust Temperature Sensor Lead Protector
GM
19316343
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$50.33
MSRP $59.93
Save $9.60
16% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210674
5.0l. Firebird. Auto trans. Manual trans. M39. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$103.31
MSRP $147.56
Save $44.25
30% Off 
Vapor Canister
GM
20779951
ATS. Pzev (code nu6). Without v-series. With pzev. Calif. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel...
$125.62
MSRP $179.46
Save $53.84
30% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210677
S-series. 2.2l. 2.2L, california. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$116.76
MSRP $166.80
Save $50.04
30% Off 
Heated Oxygen Sensor
GM
19209817
LaCrosse. Rear. 3.8l. Grand Prix. Front. 3.8l. Without supercharger. Without dual exh. This part requires programming and/or special...
$115.72
MSRP $165.32
Save $49.60
30% Off 
Black Multi-Purpose Pigtail
GM
13586114
Modulator, #3. 3.8L. 1993-97, #3. 3.4L. G5. Auto trans. Protective outer coverings help provide long-lasting durability
Color-coded...
$34.89
MSRP $48.68
Save $13.79
28.3% Off 
Secondary Air Injection Pump Hose
GM
15869706
Air injection system, 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$76.34
MSRP $95.66
Save $19.32
20.2% Off 
Heated Oxygen Sensor
GM
12617332
Corvette. Eng. ls9, ls7. Camaro. 6.2l. Front. 2011-15, 6.2L. With supercharged. Caprice PPV. 6.0l. SS. 2011-15, 7.0L. 2010, 6.2L. This...
$119.21
MSRP $170.30
Save $51.09
30% Off 
F (S)Valve
GM
12735401
With supercharged. Camaro. 6.2l. 2011-15, 6.2L, with supercharger. Coupe, 6.2L.
$42.91
MSRP $61.30
Save $18.39
30% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12627132
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$44.16
MSRP $63.08
Save $18.92
30% 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...
$82.04
MSRP $117.20
Save $35.16
30% 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...
$225.72
MSRP $322.46
Save $96.74
30% 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....
$235.10
MSRP $335.86
Save $100.76
30% 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...
$249.94
MSRP $357.06
Save $107.12
30% 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...
$5.50
MSRP $6.56
Save $1.06
16.2% 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...
$49.29
MSRP $70.42
Save $21.13
30% 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...
$54.35
MSRP $68.10
Save $13.75
20.2% Off 
Heated Oxygen Sensor
GM
12655678
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$60.00
MSRP $85.72
Save $25.72
30% 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...
$12.49
MSRP $17.85
Save $5.36
30% 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...
$105.53
MSRP $150.76
Save $45.23
30% Off 
Injector
GM
12743094
Emissions reductant. Silverado, Sierra 2500 HD. To 11/17/20. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
$180.38
MSRP $257.68
Save $77.30
30% 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,...
$119.81
MSRP $171.16
Save $51.35
30% 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...
$279.83
MSRP $399.76
Save $119.93
30% 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
$34.36
MSRP $43.05
Save $8.69
20.2% Off 
Inlet Hose
GM
12744385
6.6L diesel, egr valve & related components, 2017-19. 6.6L diesel, 1st design. Inlet. Cooler to Valve.
$15.68
MSRP $22.40
Save $6.72
30% Off 
Nitrogen Oxide Sensor
GM
12708006
NOX Sensor. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2020-23.
$224.91
MSRP $321.30
Save $96.39
30% Off 
Heated Oxygen Sensor
GM
12637297
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$58.49
MSRP $83.57
Save $25.08
30% 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...
$54.67
MSRP $78.10
Save $23.43
30% 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...
$132.03
MSRP $188.62
Save $56.59
30% 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...
$266.35
MSRP $380.49
Save $114.14
30% 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...
$66.79
MSRP $95.42
Save $28.63
30% 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...
$90.10
MSRP $128.72
Save $38.62
30% 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
$66.51
MSRP $83.33
Save $16.82
20.2% 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
$6.01
MSRP $8.58
Save $2.57
30% Off 
Exhaust Temperature Sensor
GM
12683525
6.6L diesel, egr valve & related components, 2017-19, lower. Exhaust temp sensor. 6.6l. Position 5. 6.6L diesel, sensors, at muffler &...
$55.45
MSRP $79.22
Save $23.77
30% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
12605720
2.0L turbocharged. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.48
MSRP $9.26
Save $2.78
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