Emission Systems
Engine Coolant Pipe Gasket
GM
12737098
EGR Cooling Pipes. 6.6L diesel 2017-19 egr valve & related components.
$1.29
MSRP $1.90
Save $0.61
32.1% Off 
Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$59.28
MSRP $87.18
Save $27.90
32% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$145.85
MSRP $214.48
Save $68.63
32% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$105.56
MSRP $155.24
Save $49.68
32% Off 
Vapor Canister
GM
26334031
Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$172.48
MSRP $253.64
Save $81.16
32% 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
$3.11
MSRP $4.57
Save $1.46
31.9% 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
$305.29
MSRP $448.96
Save $143.67
32% 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
$221.34
MSRP $325.50
Save $104.16
32% 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
$51.78
MSRP $76.14
Save $24.36
32% Off 
Tube
GM
12728740
5.3 & 6.2L, with police. 5.3 & 6.2L, with ppv.
$11.37
MSRP $16.72
Save $5.35
32% Off 
Module
GM
12746285
6.6L diesel, sensors, at exh pipe. 6.6L diesel, sensors, at converter. 6.6L diesel, sensors, 2024-26, #2.
$66.59
MSRP $97.93
Save $31.34
32% 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...
$317.57
MSRP $467.02
Save $149.45
32% Off 
M10x1.5x85 Multi-Purpose Bolt
GM
11588749
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.62
MSRP $9.73
Save $3.11
32% 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...
$30.15
MSRP $44.34
Save $14.19
32% 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...
$62.10
MSRP $91.32
Save $29.22
32% 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
$19.75
MSRP $29.04
Save $9.29
32% 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
$27.15
MSRP $39.92
Save $12.77
32% 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
$34.35
MSRP $50.52
Save $16.17
32% 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...
$167.59
MSRP $246.46
Save $78.87
32% 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
$40.91
MSRP $60.16
Save $19.25
32% 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
$1.33
MSRP $1.96
Save $0.63
32.1% 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...
$226.30
MSRP $332.80
Save $106.50
32% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$227.35
MSRP $334.34
Save $106.99
32% Off 
Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$119.61
MSRP $175.90
Save $56.29
32% 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...
$6.91
MSRP $10.16
Save $3.25
32% 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...
$15.18
MSRP $22.32
Save $7.14
32% 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...
$78.50
MSRP $115.44
Save $36.94
32% 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
$14.35
MSRP $21.10
Save $6.75
32% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12581194
3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.59
MSRP $15.57
Save $4.98
32% Off 
Vapor Canister Purge Tube
GM
12654018
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.69
MSRP $11.31
Save $3.62
32% Off 
Secondary Air Injection Pipe
GM
12648985
3.6L with flex fuel. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered,...
$219.15
MSRP $322.28
Save $103.13
32% Off 
Heated Oxygen Sensor
GM
12577588
All models. 4.2l. Front. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed,...
$84.43
MSRP $124.16
Save $39.73
32% Off 
Heated Oxygen Sensor
GM
12578576
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$119.61
MSRP $175.90
Save $56.29
32% Off 
By-Pass Hose
GM
12584338
2.0L, #1. 2.0L supercharged, return.
$41.24
MSRP $60.65
Save $19.41
32% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12673862
1.4L, 3 ends. 1.5L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$56.81
MSRP $83.54
Save $26.73
32% 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...
$64.11
MSRP $94.28
Save $30.17
32% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
12643296
2.4L. PCV hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.83
MSRP $8.58
Save $2.75
32.1% Off 
Exhaust Gas Re-Circulation (Egr) Valve Gasket
GM
12570863
Cover Gasket.
$5.17
MSRP $7.61
Save $2.44
32.1% Off 
Air Injection Valve
GM
12567733
Location-A.I.R. Pipes. S-series. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested...
$148.28
MSRP $218.06
Save $69.78
32% Off 
Heated Oxygen Sensor
GM
12643707
Canyon, Colorado. 2.5l. Upper. Upstream. Malibu. 2.0l, 2.5l. 2.0L turbo. Regal. 2.0l. 2.4L. This part requires programming and/or...
$46.74
MSRP $68.74
Save $22.00
32% 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,...
$309.98
MSRP $455.85
Save $145.87
32% Off 
Heated Oxygen Sensor
GM
12608662
Impala, Monte Carlo. 3.5l, 3.9l. G6. Left. Rear. 3.5 & 3.9L with flex fuel. Aura. 3.6l. This part requires programming and/or special...
$86.44
MSRP $127.12
Save $40.68
32% Off 
Air Injection Valve
GM
12619127
California emissions, front. Seville. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$386.82
MSRP $568.86
Save $182.04
32% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12648746
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$36.42
MSRP $53.56
Save $17.14
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