Emission Systems
Engine Coolant Pipe Gasket
GM
12737098
EGR Cooling Pipes. 6.6L diesel 2017-19 egr valve & related components.
$1.59
MSRP $1.90
Save $0.31
16.3% Off 
Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$73.14
MSRP $87.18
Save $14.04
16.1% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$179.95
MSRP $214.48
Save $34.53
16.1% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$130.25
MSRP $155.24
Save $24.99
16.1% Off 
Vapor Canister
GM
26334031
Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$212.80
MSRP $253.64
Save $40.84
16.1% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler Gasket
GM
55490621
Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.38
MSRP $4.57
Save $0.19
4.2% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
97303656
EGR Valve To Intake. Straight Bolt Pattern. All models. 6.6l. To cooler. Upper. Center. This GM Genuine Part is designed, engineered,...
$17.90
MSRP $18.74
Save $0.84
4.5% Off 
Diesel Emissions Fluid (DEF) Supply Pump Module
GM
22902634
Silverado, sierra. Express, savana. 6.6l diesel. 6.6L diesel, emission reduction system, 2015-16. With diesel, emission reduction...
$769.60
MSRP $917.28
Save $147.68
16.1% Off 
Secondary Air Injection Pump with Bracket
GM
12634644
Equinox, Terrain. 2.4L, with pzev. LaCrosse. 2.4l. Helps maintain controlled air flow to proper air injection components
This GM Genuine...
$333.69
MSRP $397.72
Save $64.03
16.1% 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...
$37.20
MSRP $44.34
Save $7.14
16.1% Off 
Exhaust Temperature Sensor
GM
55499760
Location-Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$50.78
MSRP $60.52
Save $9.74
16.1% 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...
$76.62
MSRP $91.32
Save $14.70
16.1% Off 
Heated Oxygen Sensor
GM
12634064
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$135.03
MSRP $160.94
Save $25.91
16.1% 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...
$82.24
MSRP $98.02
Save $15.78
16.1% Off 
Vapor Canister Purge Tube
GM
12605523
Coupe, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$24.36
MSRP $29.04
Save $4.68
16.1% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633396
3.0L & 3.6L, 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$33.49
MSRP $39.92
Save $6.43
16.1% Off 
Position 1 Exhaust Temperature Sensor
GM
55511825
1.6L, sensors, position 1. Equinox, Terrain. 1.6l diesel. Position 1 upper cat. 1.6L, front section, #1.
$65.46
MSRP $78.02
Save $12.56
16.1% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659515
3.0L twin-turbo, small. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$48.31
MSRP $50.52
Save $2.21
4.4% 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
$51.20
Vapor Canister
GM
84106544
Silverado, sierra. 6 ft. box. Double & crew cab. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$326.84
MSRP $389.55
Save $62.71
16.1% Off 
Secondary Air Injection Pump Air Cleaner Hose
GM
23109220
With pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$44.32
MSRP $46.33
Save $2.01
4.3% 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...
$206.80
MSRP $246.46
Save $39.66
16.1% 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
$50.47
MSRP $60.16
Save $9.69
16.1% 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...
$386.64
MSRP $460.84
Save $74.20
16.1% 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
$1.88
MSRP $1.96
Save $0.08
4.1% 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
$28.31
MSRP $33.74
Save $5.43
16.1% 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...
$320.50
MSRP $382.00
Save $61.50
16.1% 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...
$279.22
MSRP $332.80
Save $53.58
16.1% 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
$29.10
MSRP $34.69
Save $5.59
16.1% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$280.53
MSRP $334.34
Save $53.81
16.1% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$147.58
MSRP $175.90
Save $28.32
16.1% 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
$23.21
MSRP $27.66
Save $4.45
16.1% 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...
$141.00
MSRP $168.05
Save $27.05
16.1% 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...
$16.95
MSRP $20.22
Save $3.27
16.2% Off 
Harness
GM
84836850
3.0L diesel, emission reduction system.
$182.05
MSRP $216.98
Save $34.93
16.1% 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...
$597.49
MSRP $712.14
Save $114.65
16.1% 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
$19.20
MSRP $22.88
Save $3.68
16.1% 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...
$8.52
MSRP $10.16
Save $1.64
16.1% 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...
$80.07
MSRP $95.44
Save $15.37
16.1% 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
$82.37
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...
$142.86
MSRP $149.36
Save $6.50
4.4% 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...
$18.73
MSRP $22.32
Save $3.59
16.1% 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...
$163.86
MSRP $195.30
Save $31.44
16.1% 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...
$96.85
MSRP $115.44
Save $18.59
16.1% 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...
$282.63
MSRP $336.86
Save $54.23
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