Emission Systems
availability
Engine Crankcase Vent Valve
GM
12722131
Oil Separator Assy. Colorado. 2.7l. CT4. 2.7l. Canyon. 2.7l. Traverse. 2.5l. Acadia. 2.5l.
$29.04
MSRP $47.48
Save $18.44
38.8% Off 
Multi Purpose Relay
GM
13500114
(GRAY) (35AMP) (4-TERM) (HIGH CUR MICRO RLY)
$12.30
MSRP $22.92
Save $10.62
46.3% 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...
$208.88
MSRP $391.15
Save $182.27
46.6% 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...
$45.60
MSRP $85.00
Save $39.40
46.4% Off 
Vapor Canister Vent Solenoid
GM
22783574
Silverado, sierra. Standard cab. Location-Vapor Canister. Incl.Hose. Controls fresh air flow to the canister Sends fuel vapors to the...
$93.13
MSRP $174.24
Save $81.11
46.6% Off 
Vapor Canister
GM
85158841
Blazer. 2.0l. With 2.0L. Acadia. 2.0l. 2.0L turbo.
$280.44
MSRP $540.85
Save $260.41
48.1% Off 
Position 2 Exhaust Temperature Sensor
GM
55495856
2017-20, egr valve & related components, catalytic converter, lower. Express, savana. 2.8l diesel. Position #2. Canyon, Colorado. 2.8l...
$56.50
MSRP $105.70
Save $49.20
46.5% Off 
Heated Oxygen Sensor
GM
12567254
S-series. 4.3l. All. 4.3L, rear of converter. 4.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize...
$60.71
MSRP $113.58
Save $52.87
46.5% 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...
$59.45
MSRP $111.22
Save $51.77
46.5% Off 
Heated Oxygen Sensor
GM
12580827
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$71.55
MSRP $133.86
Save $62.31
46.5% 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...
$53.45
MSRP $99.64
Save $46.19
46.4% 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...
$11.10
MSRP $19.27
Save $8.17
42.4% 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...
$23.79
MSRP $44.34
Save $20.55
46.3% 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...
$45.48
MSRP $84.78
Save $39.30
46.4% Off 
Diesel Emissions Fluid (DEF) Tank Filler Hose
GM
20945532
2010-16, emission reduction system. 2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to...
$38.57
MSRP $71.90
Save $33.33
46.4% 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...
$249.83
MSRP $389.86
Save $140.03
35.9% Off 
Nitrogen Oxides Sensor
GM
24001917
2017-20, egr valve & related components, front. Detects the nitrogen oxide content of the exhaust to help optimize emissions...
$178.24
MSRP $333.78
Save $155.54
46.6% Off 
Secondary Air Injection Pipe Flange Gasket
GM
12589488
2.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.29
MSRP $1.96
Save $0.67
34.2% Off 
Oxygen Sensor
GM
12705843
Traverse. 2.5l. Downstream. Acadia. 2.5l.
$13.22
MSRP $24.64
Save $11.42
46.3% Off 
Oxygen Sensor
GM
25319622
Rear. Cavalier, Sunfire. 2.3l. 2.2L, post converter. 2.3L, post converter.
$87.27
MSRP $163.28
Save $76.01
46.6% 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
$4.72
MSRP $7.19
Save $2.47
34.4% 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
$7.66
MSRP $11.09
Save $3.43
30.9% 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...
$57.45
MSRP $94.28
Save $36.83
39.1% 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
$33.18
MSRP $61.84
Save $28.66
46.3% 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...
$135.43
MSRP $253.36
Save $117.93
46.5% 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
$10.49
MSRP $16.01
Save $5.52
34.5% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
12617908
Malibu. 2.4l. 2.4L, 2008-10. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$21.44
MSRP $39.96
Save $18.52
46.3% 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
$89.11
MSRP $146.24
Save $57.13
39.1% 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...
$68.17
MSRP $127.54
Save $59.37
46.6% Off 
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor
GM
12634536
Silverado, sierra. 6.6l. Location a. 2010-16, egr valve & related components. Express, savana. 6.6l diesel. Locr a. Position 1. 6.6L...
$110.29
MSRP $206.34
Save $96.05
46.5% 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
$210.84
MSRP $394.84
Save $184.00
46.6% 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...
$77.83
MSRP $145.62
Save $67.79
46.6% 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,...
$62.89
MSRP $117.66
Save $54.77
46.5% Off 
Hose Clamp
GM
11570616
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.81
MSRP $7.33
Save $2.52
34.4% Off 
Vapor Canister Purge Pipe
GM
13408650
1.4L. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$239.74
MSRP $448.96
Save $209.22
46.6% Off 
Heated Oxygen Sensor
GM
19184901
Front. 2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$117.17
MSRP $219.22
Save $102.05
46.6% Off 
Nitrogen Oxide Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$117.85
MSRP $220.48
Save $102.63
46.5% Off 
Vapor Canister Purge Solenoid (Requires 19257603 jumper harness for 2010 and Prior)
GM
23481275
Vent solenoid valve. Location-Vapor Canister. Avalanche, Escalade EXT. 2010-13. Escalade ESV. Suburban. Yukon XL. Tahoe, Yukon,...
$64.31
MSRP $120.32
Save $56.01
46.6% Off 
Vapor Canister Vent Hose
GM
84626475
FILLER PIPE. crew cab 5.8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$45.70
MSRP $74.72
Save $29.02
38.8% Off 
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