Emission Systems
availability
Passenger Side Positive Crankcase Ventilation (PCV) Fresh Air Tube
GM
12700664
6.6L gas. 5.3 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.05
MSRP $22.01
Save $6.96
31.6% 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...
$513.91
MSRP $942.96
Save $429.05
45.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342402
Manufactured to GM OE specification for fit, form, and function
$71.23
MSRP $128.34
Save $57.11
44.5% Off 
Sensor
GM
40009741
Silverado, sierra. 3.0l diesel. Position 2-chassis frt. 3.0L diesel, 2023-26. Suburban. 3.0l diesel. Lower. Right. From 05/20/22. Tahoe....
$99.80
MSRP $179.82
Save $80.02
44.5% Off 
Emission Reduction Fluid Tank Reservoir Wire Harness
GM
84410276
1.6L, reduction tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$61.85
MSRP $97.77
Save $35.92
36.7% Off 
Vapor Canister
GM
22994510
LaCrosse. 2.4l. Regal. 2.4l. Fwd. California. Impala. 3.6l. With pzev. Impala. 2.5l. Pzev spec. Malibu. 2.4l. Impala. 2.4l. Helps reduce...
$279.75
MSRP $510.96
Save $231.21
45.3% Off 
Evaporative Emission Front Pipe
GM
84543205
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$43.24
MSRP $75.86
Save $32.62
43% Off 
Diesel Emissions Fluid (DEF) Pump Module Wiring Harness
GM
23300179
2010-16 with diesel emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$150.08
MSRP $274.12
Save $124.04
45.3% Off 
Reductant Fluid Injector
GM
55515114
Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
$68.01
MSRP $122.54
Save $54.53
44.5% Off 
Secondary Air Injection Pump
GM
12568382
Corvette. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested...
$235.99
MSRP $431.05
Save $195.06
45.3% Off 
Heated Oxygen Sensor
GM
25180900
Spark. Position 1. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$71.89
MSRP $129.54
Save $57.65
44.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342401
Manufactured to GM OE specification for fit, form, and function
$50.63
MSRP $88.82
Save $38.19
43% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342403
6.6L diesel, emission reduction system, double cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$74.31
MSRP $117.45
Save $43.14
36.7% Off 
Pressure Sensor
GM
39118775
1.6L, reduction tank & components, hatchback.
$59.73
MSRP $107.62
Save $47.89
44.5% 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...
$83.32
MSRP $150.12
Save $66.80
44.5% Off 
Vapor Canister Vent Solenoid Valve Bracket
GM
84330010
6.6L gas, crew cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$28.99
MSRP $50.86
Save $21.87
43% Off 
Vapor Canister Air Inlet Filter
GM
22886738
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.72
MSRP $44.93
Save $14.21
31.6% Off 
Secondary Air Injection Pump Inlet Hose
GM
23123381
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$53.90
MSRP $94.56
Save $40.66
43% Off 
Emission Reduction Fluid Tank Filler Hose
GM
84435770
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$54.89
MSRP $96.30
Save $41.41
43% Off 
Evaporative Emission System Vacuum Leak Pump Filter
GM
85513066
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.18
MSRP $96.80
Save $41.62
43% Off 
Engine Mount Vacuum Hose
GM
23229144
Coupe, 2.0L turbo, without awd. Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$85.15
MSRP $134.56
Save $49.41
36.7% 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...
$97.15
MSRP $153.54
Save $56.39
36.7% 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...
$65.87
MSRP $118.68
Save $52.81
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler
GM
98034354
2006-2009. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$568.16
MSRP $914.49
Save $346.33
37.9% 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...
$100.36
MSRP $180.82
Save $80.46
44.5% Off 
Pressure Sensor
GM
24001114
3.0L diesel, sensors, for egr. 3.0L diesel, 2023-26, for egr. 3.0L diesel 2025-26 sensors. type 2.
$23.64
MSRP $41.48
Save $17.84
43% Off 
Secondary Air Injection Pump
GM
12574379
4.2L. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to...
$280.75
MSRP $512.79
Save $232.04
45.3% Off 
Vapor Canister
GM
86801229
XT5. 2.0l. Traverse. 2.5l. Acadia. 2.5l. XT6. 2.0l. Without harness.
$236.47
MSRP $431.20
Save $194.73
45.2% Off 
Air Injection Valve
GM
12619110
4.2L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$200.08
MSRP $365.44
Save $165.36
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
97367014
EGR Valve To Intake. Offset Bolt Pattern. Express, savana. 6.6l diesel. 2006-2009, #2. All models. 6.6l. Rectangular. Helps provide a...
$9.76
MSRP $14.27
Save $4.51
31.6% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12619111
DTS. 4.6L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$287.62
MSRP $525.34
Save $237.72
45.3% Off 
Fluid Pipe
GM
87831176
3.0L diesel, emission reduction system, Escalade.
$69.70
MSRP $125.58
Save $55.88
44.5% Off 
Heated Oxygen Sensor
GM
19353136
Cavalier, Sunfire. 2.2l. Rear, 2.2L. 2.2L, pre converter. Detects oxygen content in the exhaust gases to help optimize emissions
This GM...
$91.58
MSRP $165.01
Save $73.43
44.5% Off 
Heated Oxygen Sensor
GM
92457789
Rear. SS. 6.0L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$55.02
MSRP $96.52
Save $41.50
43% Off 
Vapor Canister Purge Tube
GM
12674487
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.92
MSRP $24.75
Save $7.83
31.6% Off 
Vapor Canister Purge Valve with Bracket
GM
88973527
Vibe. Without awd. Fwd. Controls vapor flow from canister to engine
$87.19
MSRP $157.10
Save $69.91
44.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84720024
Emission reduction system, 3.0L diesel, reduction tank, short bed. This GM Genuine Part is designed, engineered, and tested to rigorous...
$85.10
MSRP $153.34
Save $68.24
44.5% Off 
Positive Crankcase Ventilation Tube
GM
55496605
2019 This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$11.64
MSRP $17.02
Save $5.38
31.6% Off 
Nitrogen Oxides Sensor
GM
24001898
NOX Sensor. This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special...
$165.67
MSRP $302.60
Save $136.93
45.3% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
12680216
6.6L diesel, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.33
MSRP $2.22
Save $0.89
40.1% 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
11609746
2.2L. 2 door. Power seat, without power lumbar. Upper. 3.4L. 4 door. 3.8L. Driver power seat, with power lumbar. To bar. 1995. This GM...
$3.10
MSRP $4.53
Save $1.43
31.6% Off 
Multi-Purpose Relay
GM
13468934
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$8.96
MSRP $14.94
Save $5.98
40% 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!