Emission Systems
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
$45.53
MSRP $83.54
Save $38.01
45.5% Off 
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
$29.95
MSRP $54.96
Save $25.01
45.5% 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...
$58.58
MSRP $94.28
Save $35.70
37.9% Off 
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...
$125.29
MSRP $231.38
Save $106.09
45.9% 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
$5.58
MSRP $8.58
Save $3.00
35% Off 
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...
$188.96
MSRP $348.96
Save $160.00
45.9% Off 
Exhaust Gas Re-Circulation (Egr) Valve Gasket
GM
12570863
Cover Gasket.
$4.94
MSRP $7.61
Save $2.67
35.1% 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...
$118.08
MSRP $218.06
Save $99.98
45.8% Off 
Engine Coolant Pipe Gasket
GM
12737098
EGR Cooling Pipes. 6.6L diesel 2017-19 egr valve & related components.
$1.28
MSRP $1.90
Save $0.62
32.6% 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...
$44.51
MSRP $68.74
Save $24.23
35.2% Off 
Vapor Canister Solenoid Valve Bracket
GM
84310455
4.3, 5.3, 6.2L. 2.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$18.88
MSRP $30.30
Save $11.42
37.7% Off 
Vapor Canister
GM
85158842
XT5. 2.0l. XT6. 2.0l. Blazer. 2.0l.
$289.35
MSRP $481.35
Save $192.00
39.9% Off 
Fuel Tank Vent Hose
GM
84884403
Fuel filler pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$40.48
MSRP $61.90
Save $21.42
34.6% Off 
Evaporative Emissions System Lines
GM
85818014
Rear, convertible.
$110.83
MSRP $204.68
Save $93.85
45.9% Off 
Nitrogen Oxides Sensor
GM
24001918
NOX Sensor. 2.8L turbo diesel egr valve & related components. lower. Detects the nitrogen oxide content of the exhaust to help optimize...
$162.55
MSRP $300.18
Save $137.63
45.8% Off 
Exhaust Gas Recirculation Cooler Temperature Sensor
GM
12677346
Silverado, sierra. 6.6l. Position 2. Temp sensor. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This GM Genuine Part is...
$30.66
MSRP $56.26
Save $25.60
45.5% 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,...
$246.85
MSRP $455.85
Save $209.00
45.8% Off 
Vapor Canister
GM
84316430
Malibu. 1.8l. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$96.50
MSRP $148.23
Save $51.73
34.9% 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...
$68.96
MSRP $127.12
Save $58.16
45.8% 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...
$308.61
MSRP $568.86
Save $260.25
45.7% Off 
Vapor Canister Hose
GM
20827320
3.6L with flex fuel. 3.5 & 3.9L. 5.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$78.72
MSRP $145.10
Save $66.38
45.7% Off 
Heated Oxygen Sensor
GM
12645561
ATS. 2.0l. Upper. CTS. 2.0l. Canister & sensors, 2.0l turbo. ATS. 2.5l. Coupe, 2.0L turbo. Sedan, canister & sensors, 2.5L. This part...
$52.37
MSRP $96.10
Save $43.73
45.5% Off 
Oxygen Sensor
GM
12702181
Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
$47.51
MSRP $87.18
Save $39.67
45.5% 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
$29.19
MSRP $53.56
Save $24.37
45.5% Off 
Vapor Canister Vent Hose
GM
84429641
3.6L, without awd, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$60.41
MSRP $111.36
Save $50.95
45.8% Off 
Vapor Canister Air Inlet Hose
GM
84940072
Manufactured to GM OE specification for fit, form, and function
$54.55
MSRP $100.56
Save $46.01
45.8% Off 
Heated Oxygen Sensor
GM
12668435
Silverado, sierra. 5.3l. Upper. Left. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. Silverado, sierra. 4.3l. 4.3, 5.3, 6.2L, 4.3L....
$41.43
MSRP $76.02
Save $34.59
45.5% Off 
Vapor Canister Bracket
GM
20958879
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$69.99
MSRP $129.02
Save $59.03
45.8% Off 
Emission Reduction Fluid Control Module
GM
84880436
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$105.85
MSRP $195.12
Save $89.27
45.8% Off 
Vapor Canister Vent Hose
GM
84626475
FILLER PIPE. crew cab 5.8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$45.16
MSRP $72.68
Save $27.52
37.9% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84648525
2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$69.44
MSRP $128.00
Save $58.56
45.8% Off 
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
$14.78
MSRP $27.04
Save $12.26
45.3% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$116.14
MSRP $214.48
Save $98.34
45.9% Off 
Heated Oxygen Sensor
GM
12567127
Front. 5.3L. SSR. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered,...
$62.00
MSRP $114.28
Save $52.28
45.7% Off 
Vapor Canister
GM
42763670
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$238.14
MSRP $385.78
Save $147.64
38.3% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$84.22
MSRP $155.24
Save $71.02
45.7% Off 
Secondary Air Injection Pump with Bracket
GM
12630667
Regal. Cobalt. 2.2l. Air injection system, 2009-10. Impala. 2.4l. Helps maintain controlled air flow to proper air injection components...
$182.41
MSRP $336.86
Save $154.45
45.8% Off 
Fluid Pipe
GM
87812318
3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
$67.01
MSRP $123.52
Save $56.51
45.7% Off 
Exhaust Temperature Sensor
GM
19418900
Express, savana. 6.6l diesel. Position #3. 2010-16, egr valve & related components, at muffler. Silverado, sierra. 6.6l. Position 1....
$58.36
MSRP $107.58
Save $49.22
45.8% 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...
$70.67
MSRP $114.26
Save $43.59
38.1% Off 
Exhaust Temperature Sensor
GM
55499759
Location-Before Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating...
$38.88
MSRP $71.34
Save $32.46
45.5% Off 
Vapor Canister
GM
26334031
Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$137.35
MSRP $253.64
Save $116.29
45.8% Off 
Vapor Canister Vent Valve
GM
20880503
HHR. Sky. Solstice. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$35.33
MSRP $64.82
Save $29.49
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