Emission Systems
2013-2024 GM - 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...
$6.10
MSRP $10.16
Save $4.06
40% Off 
2017-2019 GM - 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...
$52.85
MSRP $95.44
Save $42.59
44.6% Off 
2018 Buick - 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
$54.37
MSRP $81.82
Save $27.45
33.5% Off 
1998-2000 GM - Vapor Canister Bracket
GM
17113532
Without diesel. all.
$51.37
MSRP $81.36
Save $29.99
36.9% Off 
2016-2019 Cadillac - 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...
$92.93
MSRP $149.36
Save $56.43
37.8% Off 
2005-2013 Chevrolet Corvette - 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...
$12.81
MSRP $22.32
Save $9.51
42.6% Off 
1987-1996 GM - 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...
$104.73
MSRP $195.30
Save $90.57
46.4% Off 
2002-2007 GM - 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...
$63.00
MSRP $115.44
Save $52.44
45.4% Off 
2013-2018 Chevrolet Sonic - 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...
$180.64
MSRP $336.86
Save $156.22
46.4% 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...
$210.78
MSRP $393.06
Save $182.28
46.4% Off 
2020-2025 GM - 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
$71.52
MSRP $131.04
Save $59.52
45.4% Off 
2012-2020 Chevrolet Sonic - 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...
$48.63
MSRP $87.82
Save $39.19
44.6% 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...
$85.69
MSRP $159.80
Save $74.11
46.4% Off 
2018-2022 GM - 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
$42.16
MSRP $76.14
Save $33.98
44.6% Off 
1997-2001 Cadillac Catera - Secondary Air Injection Pump
GM
90542305
Catera. Helps maintain controlled air flow to proper air injection components
$119.59
MSRP $223.02
Save $103.43
46.4% Off 
2007-2016 GM - Heated Oxygen Sensor
GM
12599204
Express, savana. Gas. Front. Calif. This part requires programming and/or special setup procedures GM Service Information describes the...
$115.30
MSRP $215.02
Save $99.72
46.4% Off 
Reductant Fluid Injector
GM
55515114
Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
$66.88
MSRP $122.54
Save $55.66
45.4% Off 
Fluid Pipe
GM
85693477
3.0L diesel emission reduction system.
$119.09
MSRP $222.09
Save $103.00
46.4% Off 
2019-2024 GM - 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
$15.12
MSRP $21.96
Save $6.84
31.1% Off 
2020-2024 GM - 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...
$79.70
MSRP $146.04
Save $66.34
45.4% Off 
Tube
GM
12728740
5.3 & 6.2L, with police. 5.3 & 6.2L, with ppv.
$10.03
MSRP $16.72
Save $6.69
40% Off 
1990-2005 GM - 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...
$77.31
MSRP $141.66
Save $64.35
45.4% Off 
2016-2024 Chevrolet Camaro - 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
$12.11
MSRP $21.10
Save $8.99
42.6% Off 
2017-2019 GM - 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 
2019-2024 GM - Heated Oxygen Sensor
GM
12687606
Silverado, sierra. 5.3l. Upper. Right. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. This part requires programming and/or special...
$47.33
MSRP $85.48
Save $38.15
44.6% Off 
2006-2007 Buick Rendezvous - 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
$10.64
MSRP $15.57
Save $4.93
31.7% Off 
2013-2015 Chevrolet - Secondary Air Injection Check Valve Kit with Valve, Retainer, Gasket, and Bolts
GM
12632977
Impala. 2.5l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous...
$177.87
MSRP $331.70
Save $153.83
46.4% Off 
2016-2022 Chevrolet Spark - Vapor Canister Purge Tube
GM
12654018
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.73
MSRP $11.31
Save $3.58
31.7% Off 
Module
GM
12746285
6.6L diesel, sensors, at exh pipe. 6.6L diesel, sensors, at converter. 6.6L diesel, sensors, 2024-26, #2.
$61.83
MSRP $97.93
Save $36.10
36.9% 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,...
$172.82
MSRP $322.28
Save $149.46
46.4% Off 
2004-2018 GM - Vapor Canister
GM
15112165
Suburban, Yukon XL. 3/4 ton. 8.1l. Escalade EXT, esv. 3/4 ton. Avalanche. 3/4 ton. Helps reduce harmful pollutants from entering the...
$216.57
MSRP $403.86
Save $187.29
46.4% Off 
2002-2003 GM - 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,...
$67.75
MSRP $124.16
Save $56.41
45.4% Off 
2002-2011 GM - Heated Oxygen Sensor
GM
12578576
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$94.33
MSRP $175.90
Save $81.57
46.4% Off 
2004-2010 GM - Vapor Canister Vent Valve Solenoid
GM
19207763
Incl.Hose. Location-Vapor Canister. Silverado, sierra hybrid. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$127.32
MSRP $237.42
Save $110.10
46.4% Off 
2021-2024 GM - Fuel Tank Filler Vent Hose
GM
84564116
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.58
MSRP $41.52
Save $12.94
31.2% Off 
F (S)Canister
GM
42894755
Malibu. 1.5l. Regal Sportback. 2.0l. Fwd. Malibu. 2.0l. 2.0L turbo, without awd, 2nd design.
$160.09
MSRP $298.54
Save $138.45
46.4% Off 
2003-2014 GM - Black Multi-Purpose Pigtail
GM
13585858
Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$28.87
MSRP $50.88
Save $22.01
43.3% Off 
2021-2024 GM - Exhaust Gas Recirculation Pipe
GM
40009037
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$27.71
MSRP $50.04
Save $22.33
44.6% Off 
By-Pass Hose
GM
12584338
2.0L, #1. 2.0L supercharged, return.
$38.29
MSRP $60.65
Save $22.36
36.9% Off 
2016-2019 Chevrolet Cruze - 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
$46.26
MSRP $83.54
Save $37.28
44.6% Off 
2013-2017 GMC Terrain - Secondary Air Injection Pump Hose
GM
25817029
2.4L, air injection pump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.43
MSRP $54.96
Save $24.53
44.6% Off 
2013-2014 Cadillac - 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...
$59.52
MSRP $94.28
Save $34.76
36.9% Off 
2014-2015 Chevrolet Cruze - Heated Oxygen Sensor
GM
12644786
Cruze, Cruze Limited. 2.0l. Upstream. With diesel, egr valve & related components. This part requires programming and/or special setup...
$124.08
MSRP $231.38
Save $107.30
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