Emission Systems
availability
Vapor Canister Purge Hose
GM
84022609
3.6L, with awd, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$59.75
MSRP $107.66
Save $47.91
44.5% Off 
Fuel Tank Drain Hose
GM
84165192
Filler pipe components. Helps prevent liquid from sitting in pocket and possibly spilling onto paint
This GM Genuine Part is designed,...
$9.68
MSRP $13.64
Save $3.96
29% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659585
3.6L twin-turbo, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$42.56
MSRP $74.66
Save $32.10
43% Off 
Engine Mount Vacuum Hose
GM
23229145
Sedan, 2.0L turbo, with awd. Coupe, 2.0L turbo, with awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$69.54
MSRP $109.90
Save $40.36
36.7% Off 
Diesel Emissions Fluid (DEF) Tank Filler Cap
GM
22753134
2010-16, emission reduction system. 2017-20, emission reduction system. 6.6L diesel, emission reduction system, 2017-19. 6.6L diesel,...
$19.85
MSRP $33.08
Save $13.23
40% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler
GM
98034351
Silverado, sierra. 6.6l. 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$573.00
MSRP $922.26
Save $349.26
37.9% Off 
Driver Side Secondary Air Injection Shut-Off and Check Valve
GM
12633749
Impala. 3.6l. Left. 3.6L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$182.14
MSRP $334.20
Save $152.06
45.5% 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
$17.27
MSRP $28.78
Save $11.51
40% Off 
Air Injection Valve
GM
12619128
4.2L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$121.77
MSRP $223.45
Save $101.68
45.5% Off 
M8x1.25 Multi-Purpose Nut
GM
11514519
Coupe, without v. Sedan. 2013-2017. Wagon. Cadillac Escalade EXT. Escalade ESV. 1.8L, front section, #2. 1.6L, front section. Without...
$4.33
MSRP $6.34
Save $2.01
31.7% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$67.70
MSRP $121.98
Save $54.28
44.5% 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
$5.29
MSRP $8.82
Save $3.53
40% Off 
Heated Oxygen Sensor
GM
12634062
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$91.97
MSRP $165.72
Save $73.75
44.5% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$100.36
MSRP $180.82
Save $80.46
44.5% Off 
Vapor Canister Purge Tube
GM
12611130
Equinox, Terrain. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.68
MSRP $27.80
Save $11.12
40% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$187.33
MSRP $343.70
Save $156.37
45.5% Off 
Heated Oxygen Sensor
GM
12656071
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$109.17
MSRP $200.32
Save $91.15
45.5% Off 
Vapor Canister
GM
15112165
Suburban, Yukon XL. 3/4 ton. 8.1l. Escalade EXT, esv. 3/4 ton. Avalanche. 3/4 ton. Helps reduce harmful pollutants from entering the...
$226.26
MSRP $415.16
Save $188.90
45.5% Off 
Vapor Canister Leak Detection Pump
GM
22865478
Volt. Malibu. 1.8l. ELR. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$131.90
MSRP $242.02
Save $110.12
45.5% Off 
Nitrogen Oxides Sensor
GM
55515865
1.6L, sensors. Nox. Position 2. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE...
$398.69
MSRP $731.54
Save $332.85
45.5% Off 
Vapor Canister Vent Hose
GM
84117923
With awd. Enclave. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$65.12
MSRP $117.34
Save $52.22
44.5% Off 
Nitrogen Oxides Sensor
GM
24001908
1.6L, sensors. This part requires programming and/or special setup procedures. GM Service Information describes the procedures and...
$396.41
MSRP $727.36
Save $330.95
45.5% Off 
Exhaust Gas Recirculation Cooler Temperature Sensor
GM
55514862
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$18.64
MSRP $31.06
Save $12.42
40% Off 
Vapor Canister
GM
85596720
Equinox, Terrain. 1.5l. First design. Equinox, Terrain. 2.0l.
$148.74
MSRP $272.92
Save $124.18
45.5% Off 
F (S)Canister
GM
85609678
3.6L, with pzev, gas. 2.5L, with pzev.
$133.30
MSRP $244.58
Save $111.28
45.5% Off 
Heated Oxygen Sensor
GM
12703967
Corvette. Upstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$70.11
MSRP $126.32
Save $56.21
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler
GM
12635704
Silverado, sierra. 6.6l. Rear. Express, savana. 6.6l diesel. With dual turbo. This GM Genuine Part is designed, engineered, and tested...
$684.28
MSRP $1,101.37
Save $417.09
37.9% Off 
Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$51.08
MSRP $89.62
Save $38.54
43% Off 
Engine Cooler Seal
GM
55583122
1.6L, egr cooler. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.58
MSRP $9.30
Save $3.72
40% Off 
Evaporative Emission Canister Vent Hose
GM
84706626
Filler pipe, regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.67
MSRP $95.90
Save $35.23
36.7% Off 
Reductant Fluid Injector
GM
12696018
Manufactured to GM OE specification for fit, form, and function
$76.86
MSRP $138.48
Save $61.62
44.5% Off 
Nitrogen Oxide Sensor
GM
12708006
NOX Sensor. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2020-23.
$180.01
MSRP $330.30
Save $150.29
45.5% Off 
Heated Oxygen Sensor
GM
12640115
2.0L turbo. Regal. 2.0l. Downstream. Verano. 2.0l. This part requires programming and/or special setup procedures GM Service Information...
$109.50
MSRP $200.92
Save $91.42
45.5% Off 
Vapor Canister
GM
22963841
Suburban, Yukon XL. 5.3l. Avalanche. 1/2 ton. 6.0l. Hummer H2. Escalade EXT, esv. Helps reduce harmful pollutants from entering the...
$214.02
MSRP $392.70
Save $178.68
45.5% Off 
Nitrogen Oxides Sensor
GM
24001918
NOX Sensor. 2.8L turbo diesel egr valve & related components. lower. Detects the nitrogen oxide content of the exhaust to help optimize...
$168.18
MSRP $308.58
Save $140.40
45.5% Off 
Vapor Canister Solenoid
GM
84613096
Silverado, Sierra 2500 HD. Crew cab. Short box. Silverado, Sierra 3500 HD. 6.6L gas, 6.9ft box. Controls fresh air flow to the canister...
$64.10
MSRP $115.50
Save $51.40
44.5% 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
$36.40
MSRP $53.23
Save $16.83
31.6% Off 
Evaporative Emission Canister
GM
84325521
Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L gas. Helps reduce harmful pollutants from entering the atmosphere
Captures...
$178.20
MSRP $326.98
Save $148.78
45.5% Off 
Emission Reduction Fluid Front Inlet Pipe Assembly
GM
22800969
6.6L diesel 2015-16 emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$303.52
MSRP $556.92
Save $253.40
45.5% Off 
Exhaust Gas Recirculation (EGR) Cooler Gasket
GM
55575360
1.6L, egr cooler. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.39
MSRP $17.32
Save $6.93
40% Off 
Positive Crankcase Ventilation Tube Gasket
GM
12671847
6.6L diesel, oil lines. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.71
MSRP $9.52
Save $3.81
40% Off 
Heated Oxygen Sensor
GM
12687606
Silverado, sierra. 5.3l. Upper. Right. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. This part requires programming and/or special...
$49.94
MSRP $87.62
Save $37.68
43% 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!