Emission Systems
Engine Coolant Pipe Gasket
GM
12737098
EGR Cooling Pipes. 6.6L diesel 2017-19 egr valve & related components.
$1.24
MSRP $1.90
Save $0.66
34.7% Off 
2019-2021 GM - Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$48.28
MSRP $87.18
Save $38.90
44.6% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$115.01
MSRP $214.48
Save $99.47
46.4% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$83.25
MSRP $155.24
Save $71.99
46.4% Off 
Vapor Canister
GM
26334031
Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$136.01
MSRP $253.64
Save $117.63
46.4% Off 
2020-2024 GM - 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
$3.39
MSRP $4.57
Save $1.18
25.8% Off 
2010-2017 GM - 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...
$213.28
MSRP $397.72
Save $184.44
46.4% Off 
1990-2005 GM - 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...
$25.44
MSRP $44.34
Save $18.90
42.6% Off 
2020-2024 GM - 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...
$50.57
MSRP $91.32
Save $40.75
44.6% Off 
2009-2015 Cadillac CTS - 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
$16.66
MSRP $29.04
Save $12.38
42.6% Off 
2010-2016 Buick LaCrosse - 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
$22.90
MSRP $39.92
Save $17.02
42.6% Off 
2016-2019 Cadillac CT6 - 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
$31.88
MSRP $50.52
Save $18.64
36.9% Off 
2008-2016 GM - 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...
$132.17
MSRP $246.46
Save $114.29
46.4% Off 
2014-2019 Chevrolet Corvette - 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
$33.31
MSRP $60.16
Save $26.85
44.6% Off 
2010-2011 Cadillac SRX - 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
$1.46
MSRP $1.96
Save $0.50
25.5% Off 
2004-2012 GM - 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
$19.36
MSRP $33.74
Save $14.38
42.6% Off 
2014-2016 GM - 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...
$178.46
MSRP $332.80
Save $154.34
46.4% Off 
2007-2010 GM - Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$179.30
MSRP $334.34
Save $155.04
46.4% Off 
2008-2016 GM - Heated Oxygen Sensor
GM
12612571
Express, savana. Gas. Rear. This part requires programming and/or special setup procedures GM Service Information describes the...
$94.33
MSRP $175.90
Save $81.57
46.4% Off 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
2013-2014 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 
2006-2017 GM - 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
$5.36
MSRP $8.58
Save $3.22
37.5% Off 
1994-1999 GM - EGR Valve
GM
12578040
S-series. 4.3l. Tbi. Astro, Safari. 4.3l. Auto trans. Vin code z. All. Aurora. Seville. G10-30 vans. 7.4l. Modulates the flow of exhaust...
$187.13
MSRP $348.96
Save $161.83
46.4% Off 
Exhaust Gas Re-Circulation (Egr) Valve Gasket
GM
12570863
Cover Gasket.
$4.75
MSRP $7.61
Save $2.86
37.6% Off 
1990-2002 GM - 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...
$116.93
MSRP $218.06
Save $101.13
46.4% Off 
2013-2022 GM - 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...
$44.51
MSRP $68.74
Save $24.23
35.2% Off 
2011-2016 GM - 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,...
$244.45
MSRP $455.85
Save $211.40
46.4% Off 
2008-2012 GM - 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...
$69.38
MSRP $127.12
Save $57.74
45.4% Off 
2004-2005 GM - Air Injection Valve
GM
12619127
California emissions, front. Seville. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$305.05
MSRP $568.86
Save $263.81
46.4% Off 
2010-2015 Chevrolet Camaro - 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
$29.66
MSRP $53.56
Save $23.90
44.6% Off 
2010-2017 GM - Vapor Canister Purge Tube
GM
12611130
Equinox, Terrain. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.51
MSRP $27.04
Save $11.53
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