Emission Systems
availability
EGR Valve Gasket
GM
12647008
For EGR Valve. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system...
$23.43
MSRP $41.10
Save $17.67
43% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12668054
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.99
MSRP $50.86
Save $21.87
43% Off 
Exhaust Gas Temperature Sensor
GM
12709275
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.66
MSRP $102.27
Save $46.61
45.6% Off 
Evaporator Tube
GM
85731494
FILLER PIPE. double, crew cab 6.6 ft box.
$63.41
MSRP $114.26
Save $50.85
44.5% Off 
Vapor Canister Purge Pump Bracket
GM
55501918
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.82
MSRP $21.96
Save $6.14
28% Off 
Vapor Canister
GM
25903990
Impala, Monte Carlo. 3.5l, 3.9l. California. Impala, Monte Carlo. 3.6l. LaCrosse. Grand Prix. 5.3L. Helps reduce harmful pollutants from...
$245.15
MSRP $449.82
Save $204.67
45.5% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12703921
2017-21 3.6L. foul air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$38.57
MSRP $69.50
Save $30.93
44.5% Off 
Vapor Canister Purge Tube
GM
12683612
1.5L turbo. Equinox, Terrain. 1.5l. 1.5, 2.0L, 1.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$19.55
MSRP $34.30
Save $14.75
43% Off 
Heated Oxygen Sensor
GM
12665161
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$40.05
MSRP $72.16
Save $32.11
44.5% Off 
EGR Valve Gasket
GM
96495356
Aveo. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$5.29
MSRP $8.82
Save $3.53
40% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12670013
Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.18
MSRP $13.64
Save $5.46
40% Off 
Multi-Purpose Bolt
GM
11611692
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$45.87
MSRP $82.64
Save $36.77
44.5% Off 
Oxygen Sensor
GM
12718669
Downstream. XT4. Colorado. 2.7l. CT4. 2.7l. Acadia. 2.0l. Lower. Canyon. 2.7l. Canister & sensors, 2.0l turbo. CT6. 2.0l. Bank 1 sensor 2.
$40.83
MSRP $73.55
Save $32.72
44.5% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$120.16
MSRP $220.48
Save $100.32
45.5% Off 
Multi-Purpose Clamp
GM
11570616
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.02
MSRP $7.33
Save $2.31
31.5% Off 
Vapor Canister Vent Solenoid
GM
13575702
SRX. 3.6L. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM...
$47.60
MSRP $85.76
Save $38.16
44.5% Off 
Push-Pin
GM
11589289
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.63
MSRP $8.24
Save $2.61
31.7% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12642631
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$24.84
MSRP $43.58
Save $18.74
43% Off 
Secondary Air Injection Check Valve
GM
12639108
Equinox, Terrain. Regal. Impala. 2.4l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$260.23
MSRP $477.48
Save $217.25
45.5% Off 
Sensor
GM
12747537
Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$139.19
MSRP $255.40
Save $116.21
45.5% Off 
Knock Sensor Grommet
GM
12558177
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.96
MSRP $18.96
Save $6.00
31.6% Off 
Nitrogen Oxides Sensor
GM
24001919
Nox sensor. Express, savana. 2.8l diesel. Front. Detects the nitrogen oxide content of the exhaust to help optimize emissions...
$368.03
MSRP $687.88
Save $319.85
46.5% Off 
Vapor Canister Vent Solenoid
GM
84148819
Double & crew cab. crew cab 6.6 ft box. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$68.93
MSRP $124.20
Save $55.27
44.5% 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...
$84.46
MSRP $154.98
Save $70.52
45.5% Off 
Inlet Hose
GM
12744385
6.6L diesel, egr valve & related components, 2017-19. 6.6L diesel, 1st design. Inlet. Cooler to Valve.
$13.44
MSRP $22.40
Save $8.96
40% Off 
F (S)Sensor
GM
19355317
Secondary. 2.4l. Secondary. 3.1l. 1996-98, 4 cylinder, at converter. 4 cylinder, #2. Exhaust pipe. 6 cylinder.
$83.29
MSRP $152.82
Save $69.53
45.5% Off 
Vapor Canister Solenoid
GM
84613139
Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
$49.16
MSRP $88.58
Save $39.42
44.5% Off 
Vapor Canister Purge Pipe
GM
22738311
3.5 & 3.9L. 5.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$97.02
MSRP $178.02
Save $81.00
45.5% Off 
Heated Oxygen Sensor
GM
12562943
Canada Built. 5.3L, rear of converter. 5.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize emissions...
$72.66
MSRP $133.32
Save $60.66
45.5% Off 
Heated Oxygen Sensor
GM
12679885
Silverado, Sierra 2500 HD. Gas. Front. Silverado, Sierra 3500 HD. This part requires programming and/or special setup procedures. GM...
$52.10
MSRP $93.88
Save $41.78
44.5% Off 
Rear Nox Sensor
GM
12718742
6.6L diesel, egr valve & related components, 2017-19.
$390.50
MSRP $729.89
Save $339.39
46.5% Off 
Detection Pump
GM
12741163
Silverado, sierra. 2.7l. Colorado. Canyon. 1.3L turbo. Envision. Labeled 12741163.
$53.77
MSRP $96.88
Save $43.11
44.5% Off 
Heated Oxygen Sensor
GM
12639692
Equinox, Terrain. 2.4l. Downstream. Captiva Sport. 2.4l. Rear. This part requires programming and/or special setup procedures GM Service...
$24.94
MSRP $43.76
Save $18.82
43% Off 
Vapor Canister Vent Solenoid
GM
13576005
Acadia, Enclave, Traverse. Corvette. 3.5 & 3.9L with flex fuel. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$28.56
MSRP $50.10
Save $21.54
43% Off 
Multi-Purpose Nut
GM
11516076
Engine compartment. 1.8L. Coupe, with awd. 3.6L. 3.0L. Sedan, with awd. 2.4L air injection system. 3.5L. Air injection system, 2009. To...
$5.71
MSRP $8.36
Save $2.65
31.7% Off 
Diesel Emissions Reduction Fluid (DEF) Injector
GM
12647372
Silverado, sierra. Express, savana. 6.6l diesel. 6.6L diesel, emission reduction system, 2015-16. This GM Genuine Part is designed,...
$255.40
MSRP $468.61
Save $213.21
45.5% Off 
Evaporative Emission Pipe
GM
42674745
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.86
MSRP $100.64
Save $44.78
44.5% Off 
Emission Reduction Fluid Front Inlet Pipe Assembly
GM
42492083
1.6L, emissions reduction, hatchback. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$269.39
MSRP $503.54
Save $234.15
46.5% Off 
Vapor Canister Purge Solenoid Hose
GM
84850443
1.5, 2.0L. 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 
Driver Side Engine Mount Vacuum Valve
GM
23335615
Coupe, 2.0L turbo, without awd. Coupe, 3.6L twin-turbo. Sedan, 2.5L. Sedan, 3.6L twin-turbo. This GM Genuine Part is designed,...
$67.99
MSRP $107.45
Save $39.46
36.7% Off 
Heated Oxygen Sensor
GM
55572993
Encore. Eng. vin b - luv. Upstream. Without high output, all. Cruze, Cruze Limited. 1.4l. 1.4L turbo. Sonic. Front. 1.4l. Trax. Without...
$55.92
MSRP $100.76
Save $44.84
44.5% Off 
Vapor Canister Vent Solenoid
GM
84148818
Regular cab. 8 ft. box. Silverado, sierra. Crew cab. Controls fresh air flow to the canister
Sends fuel vapors to the engine for...
$73.69
MSRP $135.22
Save $61.53
45.5% Off 
Harness
GM
85034911
6.6L diesel, emission reduction system, 2nd design. 6.6L diesel, emission reduction system, all.
$117.13
MSRP $214.92
Save $97.79
45.5% Off 
Evaporative Emission Hose
GM
84986614
Filler pipe, regular cab, type 1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$75.70
MSRP $138.90
Save $63.20
45.5% 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!