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...
$41.34
MSRP $71.90
Save $30.56
42.5% 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...
$110.42
MSRP $195.44
Save $85.02
43.5% Off 
Egr Valve
GM
96055570
Metro. Without xfi. Manual trans. 1.0L. Without turbo.
$122.11
MSRP $216.12
Save $94.01
43.5% 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...
$89.34
MSRP $158.12
Save $68.78
43.5% 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...
$64.92
MSRP $113.90
Save $48.98
43% 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...
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
$300.68
MSRP $541.76
Save $241.08
44.5% 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...
$62.91
MSRP $110.36
Save $47.45
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
$53.87
MSRP $93.68
Save $39.81
42.5% 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.
$39.51
MSRP $60.29
Save $20.78
34.5% 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...
$375.06
MSRP $675.78
Save $300.72
44.5% 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...
$83.53
MSRP $146.54
Save $63.01
43% 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...
$170.25
MSRP $304.03
Save $133.78
44% 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
$45.10
MSRP $68.81
Save $23.71
34.5% 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...
$167.01
MSRP $259.30
Save $92.29
35.6% 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
$101.07
MSRP $178.85
Save $77.78
43.5% Off 
PCV Tube
GM
12739532
6.6L diesel, oil lines. 6.6L diesel, upper components.
$63.70
MSRP $111.76
Save $48.06
43% Off 
Heated Oxygen Sensor
GM
12665161
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$40.37
MSRP $70.20
Save $29.83
42.5% Off 
F (S)Hose
GM
86568917
Incl.Hose. Optional. Vendor #84586575.
$93.55
MSRP $143.98
Save $50.43
35% 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...
$55.41
MSRP $96.36
Save $40.95
42.5% 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...
$382.78
MSRP $689.70
Save $306.92
44.5% 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...
$23.44
MSRP $39.56
Save $16.12
40.7% 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,...
$148.41
MSRP $262.68
Save $114.27
43.5% 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
$68.97
MSRP $121.00
Save $52.03
43% Off 
Evaporative Emission Pipe
GM
19316263
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.45
MSRP $39.57
Save $16.12
40.7% 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...
$239.31
MSRP $427.34
Save $188.03
44% 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...
$278.34
MSRP $497.04
Save $218.70
44% 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
$41.76
MSRP $72.62
Save $30.86
42.5% 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.
$177.22
MSRP $282.58
Save $105.36
37.3% 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...
$50.76
MSRP $77.44
Save $26.68
34.5% Off 
Harness
GM
87867198
Emission reduction system, 3.0L diesel.
$106.97
MSRP $189.32
Save $82.35
43.5% 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...
$371.38
MSRP $669.14
Save $297.76
44.5% 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...
$284.59
MSRP $512.79
Save $228.20
44.5% 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...
$73.64
MSRP $129.21
Save $55.57
43% Off 
Vapor Canister Vent Hose
GM
84814747
Manufactured to GM OE specification for fit, form, and function
$65.06
MSRP $114.14
Save $49.08
43% 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
$21.20
MSRP $35.78
Save $14.58
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