Emission Systems
availability
Emission Reduction Fluid Tank Filler Vent Hose
GM
84168991
6.6L diesel, emission reduction system, 2017-19, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$42.67
MSRP $68.05
Save $25.38
37.3% Off 
Engine Oil Cooler Fitting
GM
55590841
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.60
MSRP $20.09
Save $7.49
37.3% Off 
Vapor Canister Air Inlet Hose
GM
84112415
3.6L, with awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.25
MSRP $111.36
Save $50.11
45% Off 
Fuel Tank Filler Vent Hose
GM
84224141
Fuel components 6.0L. 6.6 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$33.52
MSRP $50.79
Save $17.27
34% 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...
$77.50
MSRP $140.90
Save $63.40
45% Off 
Vapor Canister Bracket
GM
84378987
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$112.51
MSRP $204.56
Save $92.05
45% Off 
Fuel Tank Filler Vent Hose
GM
84492938
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$34.50
MSRP $52.26
Save $17.76
34% Off 
Heated Oxygen Sensor
GM
12608663
G6. Right. Rear. Aura. 3.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
$80.58
MSRP $146.50
Save $65.92
45% 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...
$120.57
MSRP $219.22
Save $98.65
45% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
22724246
2.2L. 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.85
MSRP $32.46
Save $14.61
45% Off 
Driver Side Positive Crankcase Ventilation Tube
GM
12670910
With supercharger, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$54.48
MSRP $99.06
Save $44.58
45% Off 
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...
$107.59
MSRP $195.62
Save $88.03
45% 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
$4.51
MSRP $7.19
Save $2.68
37.3% 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...
$201.15
MSRP $365.72
Save $164.57
45% 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...
$183.58
MSRP $333.78
Save $150.20
45% 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...
$170.24
MSRP $309.52
Save $139.28
45% Off 
Driver Side Fuel Feed Hose
GM
84144036
Fuel pump components, left side, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$108.10
MSRP $196.54
Save $88.44
45% 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...
$65.76
MSRP $119.56
Save $53.80
45% Off 
Harness
GM
85138745
6.6L diesel, emission reduction system, 1st design.
$110.29
MSRP $200.52
Save $90.23
45% 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...
$122.86
MSRP $223.38
Save $100.52
45% 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...
$59.11
MSRP $94.28
Save $35.17
37.3% 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
$7.33
MSRP $11.09
Save $3.76
33.9% 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
$1.23
MSRP $1.96
Save $0.73
37.2% Off 
Vapor Canister Purge Valve
GM
01997296
Controls vapor flow from canister to engine
$10.38
MSRP $18.88
Save $8.50
45% 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
$6.83
MSRP $10.36
Save $3.53
34.1% Off 
Fan Assembly Bolt
GM
11602910
1.3L turbo, cvt, type 1. 1.2L turbo.
$4.58
MSRP $7.31
Save $2.73
37.3% Off 
Vapor Canister
GM
13230480
LaCrosse. Without awd, california. 2.4L, with pzev. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to...
$264.06
MSRP $480.10
Save $216.04
45% 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...
$39.55
MSRP $71.90
Save $32.35
45% Off 
Vapor Canister
GM
19209329
Canyon, Colorado. Hummer H3. With H3T. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned...
$253.46
MSRP $460.84
Save $207.38
45% Off 
Heated Oxygen Sensor
GM
19355311
All models. 6.0l. Left. 6.0L, rear of converter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$90.38
MSRP $164.32
Save $73.94
45% 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...
$24.39
MSRP $44.34
Save $19.95
45% 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...
$100.05
MSRP $181.90
Save $81.85
45% 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
$246.93
MSRP $448.96
Save $202.03
45% 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
$52.26
MSRP $83.33
Save $31.07
37.3% 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
$231.61
MSRP $421.10
Save $189.49
45% 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
$34.01
MSRP $61.84
Save $27.83
45% 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...
$139.36
MSRP $253.36
Save $114.00
45% 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...
$46.63
MSRP $84.78
Save $38.15
45% 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
$31.08
MSRP $56.50
Save $25.42
45% 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
$91.70
MSRP $146.24
Save $54.54
37.3% 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!