Emission Systems
Diesel Emissions Fluid (DEF) Tank Filler Hose
GM
20945532
2010-16, emission reduction system. 2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to...
$40.98
MSRP $71.90
Save $30.92
43% Off 
Heated Oxygen Sensor
GM
12585999
Rear. Canyon, Colorado. Without 5.3l. 4.2L. This part requires programming and/or special setup procedures GM Service Information...
$108.47
MSRP $195.44
Save $86.97
44.5% Off 
Egr Valve
GM
96055570
Metro. Without xfi. Manual trans. 1.0L. Without turbo.
$118.33
MSRP $216.12
Save $97.79
45.2% Off 
Valve Gasket
GM
10100094
All models. 3.4l. Exc.Valve Stamped #88157. 2nd Design.
$6.85
MSRP $11.42
Save $4.57
40% Off 
Heated Oxygen Sensor
GM
12581966
Corvette. Front. Eng. ls3. 7.0L, 6.2L. This part requires programming and/or special setup procedures GM Service Information describes...
$87.76
MSRP $158.12
Save $70.36
44.5% Off 
Heated Oxygen Sensor
GM
12569429
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$63.21
MSRP $113.90
Save $50.69
44.5% Off 
Heated Oxygen Sensor
GM
19209814
LaCrosse. Bonneville, LeSabre. Grand Prix. Lucerne. Park Avenue. 3.8l. At manifold. With supercharger 1998-2005, manifold. This part...
$66.76
MSRP $120.28
Save $53.52
44.5% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84593740
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$296.61
MSRP $541.76
Save $245.15
45.3% Off 
Heated Oxygen Sensor
GM
12658647
Verano. 2.4l. Downstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$61.25
MSRP $110.36
Save $49.11
44.5% 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
$53.40
MSRP $93.68
Save $40.28
43% Off 
Duct
GM
24508958
Air pump, california only. California emissions. Secondary pump. 3.8L. Seville. 3.4L, 2000-01.
$2.83
MSRP $4.14
Save $1.31
31.6% Off 
Air Tube
GM
12662884
3.0L twin-turbo, wastegate system, bypass valve, rear.
$39.17
MSRP $60.29
Save $21.12
35% Off 
Multi-Purpose Relay
GM
13468934
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$8.72
MSRP $14.54
Save $5.82
40% Off 
Vapor Canister
GM
15861966
Malibu. 2.4l, 3.5l. 3.5L, 2007-10, california. Vapor canister/oxygen sensor, with pzev. 2.4L, california. Helps reduce harmful...
$368.30
MSRP $675.78
Save $307.48
45.5% Off 
Heated Oxygen Sensor
GM
19178918
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$81.33
MSRP $146.54
Save $65.21
44.5% Off 
Heated Oxygen Sensor
GM
12575657
SRX. 2nd design, 4.6L. CTS. Engine control. 2.8l. 1st design. Engine control. 3.6l. 1st design. Right. STS, STS-v. 4.6l. Front. This...
$166.45
MSRP $304.03
Save $137.58
45.3% Off 
Exhaust Gas Recirculation (EGR) Pipe
GM
55494203
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$44.71
MSRP $68.81
Save $24.10
35% Off 
Vapor Canister
GM
84524033
Canister & sensors. CT4. CT5. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the...
$161.84
MSRP $259.30
Save $97.46
37.6% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210681
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$99.28
MSRP $178.85
Save $79.57
44.5% Off 
PCV Tube
GM
12739532
6.6L diesel, oil lines. 6.6L diesel, upper components.
$62.03
MSRP $111.76
Save $49.73
44.5% Off 
Heated Oxygen Sensor
GM
12665161
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$40.01
MSRP $70.20
Save $30.19
43% Off 
F (S)Hose
GM
86568917
Incl.Hose. Optional. Vendor #84586575.
$91.09
MSRP $143.98
Save $52.89
36.7% Off 
Exhaust Nut
GM
11102751
2.5L, front section. 2.5L, rear section. 2.0L, front section. 1.3L turbo, front section, fwd. 1.2L turbo, front section. 1.6L. 2.0L,...
$3.07
MSRP $4.12
Save $1.05
25.5% Off 
Driver Side Positive Crankcase Ventilation Tube
GM
12670910
With supercharger, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$54.93
MSRP $96.36
Save $41.43
43% Off 
Position 2 Nitrogen Oxide Sensor Adapter
GM
12662659
Cruze. Rear nox sensor. With diesel, egr valve & related components. This part requires programming and/or special setup procedures GM...
$375.89
MSRP $689.70
Save $313.81
45.5% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12677819
Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. Helps provide a leak-free seal
Allows exhaust...
$23.74
MSRP $39.56
Save $15.82
40% Off 
Exhaust Gas Re-Circulation (Egr) Valve Gasket
GM
98106027
EGR Valve To Intake Manifold.
$8.08
MSRP $13.46
Save $5.38
40% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12652896
Calif. A.i.r. Pump, 3.6L with pzev. CTS. 3.6l. Left. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed,...
$143.82
MSRP $262.68
Save $118.86
45.2% Off 
Vapor Canister Vent Shield
GM
25744795
Without diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$67.16
MSRP $121.00
Save $53.84
44.5% Off 
Evaporative Emission Pipe
GM
19316263
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.75
MSRP $39.57
Save $15.82
40% Off 
Vapor Canister
GM
19316229
City Express. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$233.97
MSRP $427.34
Save $193.37
45.2% 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...
$272.13
MSRP $497.04
Save $224.91
45.2% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659585
3.6L twin-turbo, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$41.39
MSRP $72.62
Save $31.23
43% Off 
Vapor Canister Support Bracket
GM
22602967
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.92
MSRP $7.19
Save $2.27
31.6% Off 
Vapor Canister
GM
85528019
Canyon, Colorado. 2.5l, 3.6l.
$171.73
MSRP $282.58
Save $110.85
39.2% Off 
Heated Oxygen Sensor
GM
12704309
Canister & sensors, 2.7L. CT4. 2.7l. Upstream. This part requires programming and/or special setup procedures GM Service Information...
$50.32
MSRP $77.44
Save $27.12
35% Off 
Harness
GM
87867198
Emission reduction system, 3.0L diesel.
$105.07
MSRP $189.32
Save $84.25
44.5% Off 
Nitrogen Oxides Sensor
GM
24001919
Nox sensor. Express, savana. 2.8l diesel. Front. Detects the nitrogen oxide content of the exhaust to help optimize emissions...
$364.69
MSRP $669.14
Save $304.45
45.5% 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 
Heated Oxygen Sensor
GM
12580466
Impala, Monte Carlo. 5.3l. Grand Prix. Front. 5.3l. At manifold, 5.3L. LaCrosse. CTS. Engine control. 6.0l. This part requires...
$71.71
MSRP $129.21
Save $57.50
44.5% Off 
Vapor Canister Vent Hose
GM
84814747
Manufactured to GM OE specification for fit, form, and function
$63.35
MSRP $114.14
Save $50.79
44.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12620142
3.6L, 2012-14. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.47
MSRP $35.78
Save $14.31
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