Emission Systems
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...
$145.42
MSRP $246.46
Save $101.04
41% 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
$37.00
MSRP $60.16
Save $23.16
38.5% Off 
Exhaust Gas Temperature (Egt) Sensor
GM
98299542
Position 2.
$115.78
MSRP $192.96
Save $77.18
40% 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
$264.89
MSRP $448.96
Save $184.07
41% 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
$1.40
MSRP $1.96
Save $0.56
28.6% Off 
Vapor Canister Purge Tube
GM
12577221
3.7L. 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.09
MSRP $33.74
Save $12.65
37.5% 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...
$225.38
MSRP $382.00
Save $156.62
41% Off 
Passenger Side Secondary Air Injection Shut-Off and Check Valve
GM
12652895
Right. XTS. Impala. 3.6l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to...
$196.35
MSRP $332.80
Save $136.45
41% Off 
1-Way Female Gray Multi-Purpose Pigtail
GM
15306070
3.5L. Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$21.68
MSRP $34.69
Save $13.01
37.5% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$197.27
MSRP $334.34
Save $137.07
41% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$105.54
MSRP $175.90
Save $70.36
40% Off 
Vapor Canister Purge Solenoid Valve Bracket
GM
55575565
Without diesel 1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.29
MSRP $27.66
Save $10.37
37.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210684
5.0l. Throttle body injection. Auto trans. Tuned port injection. Manual trans. This GM Genuine Part is designed, engineered, and tested...
$100.84
MSRP $168.05
Save $67.21
40% Off 
Vapor Canister without Vent Valve Solenoid
GM
15250111
Sky. Solstice. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$192.06
MSRP $325.50
Save $133.44
41% Off 
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
GM
24506939
Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$12.63
MSRP $20.22
Save $7.59
37.5% Off 
Harness
GM
84836850
3.0L diesel, emission reduction system.
$128.02
MSRP $216.98
Save $88.96
41% 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...
$78.92
MSRP $131.54
Save $52.62
40% Off 
Nitrogen Oxides Sensor
GM
24001907
1.6L, sensors, 1st design. This part requires programming and/or special setup procedures. GM Service Information describes the...
$416.60
MSRP $712.14
Save $295.54
41.5% Off 
Vapor Canister Purge Tube
GM
12629696
4.3, 5.3, 6.2L, 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.30
MSRP $22.88
Save $8.58
37.5% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
12644073
1.5L turbo. Coupe, 2.0L turbo. 2016-18. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$6.35
MSRP $10.16
Save $3.81
37.5% Off 
Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness
GM
84113571
6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$58.70
MSRP $95.44
Save $36.74
38.5% Off 
Vapor Canister Air Inlet Hose
GM
84025035
Without awd, 1st design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.38
MSRP $81.82
Save $21.44
26.2% Off 
Engine Mount Vacuum Hose
GM
23234892
Sedan, 2.0L turbo, without awd. Coupe, 2.0L turbo, without awd. Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to...
$102.17
MSRP $149.36
Save $47.19
31.6% Off 
Vapor Canister Purge Tube
GM
12607115
6.0 6.2L without supercharged 7.0L. #2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$13.95
MSRP $22.32
Save $8.37
37.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210654
All models. 5.0l. Stamped #17087194. Stamped #17087193. Under GVW 8,500 Lbs. Exc.Calif. G10-30 vans. 5.0l. All. 5.7l. This GM Genuine...
$117.18
MSRP $195.30
Save $78.12
40% Off 
Black Heated Oxygen Sensor
GM
12568234
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$69.26
MSRP $115.44
Save $46.18
40% Off 
Secondary Air Injection Pump with Bracket
GM
55569076
Sonic. 1.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
$198.75
MSRP $336.86
Save $138.11
41% Off 
Nitrogen Oxide Sensor with Clips
GM
19330002
Nox sensor. Express, savana. 6.6l diesel. Front. 2010-16, egr valve & related components. This part requires programming and/or special...
$231.91
MSRP $393.06
Save $161.15
41% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84721353
Emission reduction system, 3.0L diesel, reduction tank, standard bed.
Manufactured to GM OE specification for fit, form, and function
$78.62
MSRP $131.04
Save $52.42
40% Off 
Heated Oxygen Sensor
GM
55574136
Sonic. Rear. 1.8L. 1.4L turbo. This part requires programming and/or special setup procedures GM Service Information describes the...
$54.01
MSRP $87.82
Save $33.81
38.5% Off 
Vapor Canister Vent Solenoid
GM
22840971
Sierra, silverado. Double cab. Crew cab. 5.8 ft. box. Controls fresh air flow to the canister
Sends fuel vapors to the engine for...
$95.88
MSRP $159.80
Save $63.92
40% Off 
Positive Crankcase Ventilation Tube
GM
12687544
1.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$46.83
MSRP $76.14
Save $29.31
38.5% Off 
Secondary Air Injection Pump
GM
90542305
Catera. Helps maintain controlled air flow to proper air injection components
$131.58
MSRP $223.02
Save $91.44
41% Off 
Heated Oxygen Sensor
GM
12599204
Express, savana. Gas. Front. Calif. This part requires programming and/or special setup procedures GM Service Information describes the...
$126.86
MSRP $215.02
Save $88.16
41% Off 
Reductant Fluid Injector
GM
55515114
Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
$73.52
MSRP $122.54
Save $49.02
40% Off 
Fluid Pipe
GM
85693477
3.0L diesel emission reduction system.
$131.03
MSRP $222.09
Save $91.06
41% 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
$16.48
MSRP $21.96
Save $5.48
25% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342406
6.6L diesel, emission reduction system, crew cab, 8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$87.62
MSRP $146.04
Save $58.42
40% Off 
Tube
GM
12728740
5.3 & 6.2L, with police. 5.3 & 6.2L, with ppv.
$10.45
MSRP $16.72
Save $6.27
37.5% 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...
$85.00
MSRP $141.66
Save $56.66
40% Off 
Positive Crankcase Ventilation Tube
GM
12687311
6.2L without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$13.19
MSRP $21.10
Save $7.91
37.5% 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
$5.65
MSRP $9.04
Save $3.39
37.5% 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!