Emission Systems
availability
Evaporative Emission Front Hose
GM
84850440
1.5, 2.0L, 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$65.12
MSRP $117.34
Save $52.22
44.5% Off 
Fuel Tank Filler Vent Hose
GM
84018880
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$48.68
MSRP $72.16
Save $23.48
32.5% Off 
Heated Oxygen Sensor
GM
12637297
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$48.96
MSRP $85.91
Save $36.95
43% Off 
Fuel Tank Filler Hose
GM
22848181
Filler pipe components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$24.18
MSRP $35.85
Save $11.67
32.6% Off 
Multi-Purpose Bolt
GM
15602721
Secondary pump, with california emission, 3.8L. Secondary pump, with california emission, 3.4L. This GM Genuine Part is designed,...
$0.91
MSRP $1.31
Save $0.40
30.5% Off 
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...
$187.31
MSRP $342.12
Save $154.81
45.3% Off 
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
$33.74
MSRP $51.94
Save $18.20
35% Off 
Vapor Canister Harness Service Valve
GM
19316228
City Express. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.46
MSRP $7.58
Save $2.12
28% Off 
Egr Pipe
GM
12688016
Silverado, Sierra 2500 HD. To egr valve. Silverado, Sierra 3500 HD. 6.6L diesel, egr valve & related components, 2017-19. Sierra,...
$97.66
MSRP $175.96
Save $78.30
44.5% Off 
Pressure Sensor
GM
40009562
6.6L diesel, exhaust pressure differential sensor. 3.0L diesel 2025-26 sensors. 3.0L diesel low pressure.
$24.73
MSRP $43.38
Save $18.65
43% Off 
Vapor Canister Vent Hose
GM
84428900
With awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$63.53
MSRP $114.46
Save $50.93
44.5% Off 
Vapor Canister
GM
84437084
Envision. 2.0l. All. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$362.77
MSRP $665.64
Save $302.87
45.5% Off 
Vapor Canister Air Inlet Hose
GM
84565279
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$65.12
MSRP $117.34
Save $52.22
44.5% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
55581609
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.58
MSRP $9.30
Save $3.72
40% Off 
Emission Reduction Fluid Tank Filler Vent Hose
GM
84776125
Manufactured to GM OE specification for fit, form, and function
$45.62
MSRP $80.04
Save $34.42
43% Off 
Vapor Canister Vent Hose
GM
84639339
6.6L gas, filler pipe. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$53.58
MSRP $94.00
Save $40.42
43% Off 
Vapor Canister
GM
85157110
Canyon, Colorado. 2.5l, 3.6l.
$184.31
MSRP $336.64
Save $152.33
45.3% Off 
Fuel Tank Filler Vent Hose
GM
84711944
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$25.27
MSRP $37.47
Save $12.20
32.6% Off 
Evaporative Emission Front Hose
GM
84850439
1.5, 2.0L, 1.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$65.12
MSRP $117.34
Save $52.22
44.5% Off 
Heated Oxygen Sensor
GM
12597990
DTS. Lucerne. Front. 4.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
$62.70
MSRP $112.98
Save $50.28
44.5% 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...
$72.53
MSRP $130.68
Save $58.15
44.5% Off 
Vapor Canister Purge Pipe
GM
25792594
3.5 & 3.9L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$313.15
MSRP $571.96
Save $258.81
45.2% 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
$45.96
MSRP $70.74
Save $24.78
35% Off 
Charge Air Cooler Inlet Air Rear Hose Adapter
GM
55515878
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$49.20
MSRP $75.72
Save $26.52
35% Off 
Fuel Tank Filler Vent Hose
GM
84136766
Diesel, with 2.8L, fuel tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$43.15
MSRP $63.97
Save $20.82
32.5% Off 
F (S)Shield
GM
85697764
6.6L diesel, emission reduction system.
$21.16
MSRP $29.38
Save $8.22
28% Off 
Oxygen Sensor
GM
12563848
S-series. 2.2l. Cavalier, Sunfire. 2.2l. Ohv. Front, 2.2L. 2.2L, manifold. Detects oxygen content in the exhaust gases to help optimize...
$48.72
MSRP $85.48
Save $36.76
43% 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...
$70.03
MSRP $126.19
Save $56.16
44.5% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12679798
3.6L twin-turbo, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$39.34
MSRP $60.54
Save $21.20
35% Off 
Heated Oxygen Sensor
GM
12680470
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 2 sensor 2. This part requires programming and/or special setup procedures GM...
$59.40
MSRP $93.88
Save $34.48
36.7% Off 
Vapor Canister
GM
17113690
Impala, Monte Carlo. All models. Grand Prix. 3.8l. Egr valve & sensors. 3.5L. Helps reduce harmful pollutants from entering the...
$184.08
MSRP $336.23
Save $152.15
45.3% Off 
Heated Oxygen Sensor
GM
19178959
Vendor:acdelco. Vendor #AFS74. Standard. S-series. 4.3l. Tpi. Astro, Safari. 4.3l. Manifold, 4.3L. Detects oxygen content in the exhaust...
$69.34
MSRP $124.94
Save $55.60
44.5% Off 
Heated Oxygen Sensor
GM
12666672
Front. Without vsport. Upper. ATS. 3.6l. Canister & sensors, 3.6L. Camaro. 3.6l. Without v-series. Pre-catalyst. This part requires...
$43.84
MSRP $76.92
Save $33.08
43% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
12605720
2.0L turbocharged. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.71
MSRP $9.52
Save $3.81
40% Off 
Heated Oxygen Sensor
GM
19209807
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$98.96
MSRP $178.30
Save $79.34
44.5% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
55498259
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.92
MSRP $5.74
Save $1.82
31.7% Off 
Heated Oxygen Sensor
GM
55565000
Astra. Rear (position 2). This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$60.33
MSRP $108.70
Save $48.37
44.5% Off 
F (S)Canister
GM
19540888
LaCrosse. Fwd. 90 degree connector.
$238.21
MSRP $435.08
Save $196.87
45.2% Off 
Vapor Canister Strap
GM
10413041
3.8L. 3.4L, 2002-05. 3.4L, 2000-01.
$42.37
MSRP $65.21
Save $22.84
35% Off 
Vapor Canister Solenoid
GM
84957998
Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
$40.50
MSRP $71.06
Save $30.56
43% Off 
Fuel Tank Vent Pipe
GM
12777878
Location-Vapor Canister. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$81.76
MSRP $124.49
Save $42.73
34.3% Off 
Secondary Air Injection Pump Hose
GM
15783309
Seville. All. Left. California emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$93.25
MSRP $147.39
Save $54.14
36.7% Off 
Egr Valve
GM
12736936
Silverado, sierra. 6.6l. Front. 6.6L diesel.
$243.96
MSRP $445.58
Save $201.62
45.2% Off 
Emission Reduction Fluid Injector
GM
55501991
2017-20, emission reduction system. Express, savana. 2.8l diesel. Canyon, Colorado. 2.8l diesel. 1.6L, reduction tank & components....
$178.11
MSRP $325.32
Save $147.21
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