Emission Systems
Heated Oxygen Sensor
GM
19178924
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$80.75
MSRP $141.66
Save $60.91
43% Off 
Engine Cooler Seal
GM
55583122
1.6L, egr cooler. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.42
MSRP $9.04
Save $3.62
40% Off 
Heated Oxygen Sensor
GM
12578576
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$99.38
MSRP $175.90
Save $76.52
43.5% Off 
Fuel Tank Filler Vent Hose
GM
84564116
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$29.52
MSRP $41.52
Save $12.00
28.9% Off 
Vapor Canister Vent Valve
GM
25950499
2005-09. 2002-04. 4.3l. Location-Vapor Canister. 4.2L. 5.3L. All models. 6.0l. SSR. Controls fresh air flow to the canister
Sends fuel...
$52.61
MSRP $91.50
Save $38.89
42.5% Off 
Diesel Emissions Fluid (DEF) Tank Support Bracket
GM
15949556
6.6L diesel 2015-16 emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$35.08
MSRP $61.00
Save $25.92
42.5% Off 
Vapor Canister Harness
GM
12574897
5.3L. Silverado, sierra hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$48.50
MSRP $84.34
Save $35.84
42.5% Off 
Vapor Canister
GM
23156465
Equinox, Terrain. 2.4l. Pzev spec. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in...
$239.94
MSRP $428.46
Save $188.52
44% 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...
$59.86
MSRP $91.32
Save $31.46
34.5% Off 
Positive Crankcase Ventilation Tube
GM
12667981
4.2L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$25.73
MSRP $38.09
Save $12.36
32.4% Off 
Vapor Canister
GM
85609672
Impala. 3.6l. Impala. 2.5l. LaCrosse. 3.6l. 2.5L, with pzev. With flex fuel.
$120.37
MSRP $213.04
Save $92.67
43.5% Off 
Fuel Tank Filler Vent Hose
GM
84692825
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$53.97
MSRP $78.22
Save $24.25
31% Off 
Vapor Canister Purge Tube
GM
12631952
2.5L. 2.0L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.31
MSRP $29.22
Save $11.91
40.8% Off 
Passenger Side Secondary Air Injection Check Valve Pipe Adapter
GM
12645865
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$253.04
MSRP $451.86
Save $198.82
44% Off 
Diesel Emissions Fluid (DEF) Supply Pump Module Seal
GM
22961657
2017-20, emission reduction system. 6.6L diesel, emission reduction system, 2017-19. 1.6L, reduction tank & components, sedan. 2.8L...
$15.86
MSRP $26.76
Save $10.90
40.7% Off 
Heated Oxygen Sensor
GM
12634064
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$90.93
MSRP $160.94
Save $70.01
43.5% Off 
Vapor Canister
GM
85158843
Blazer. 2.5l. Acadia. 2.5l. 3.6L. XT6.
$185.76
MSRP $347.50
Save $161.74
46.5% Off 
Heated Oxygen Sensor
GM
55572993
Encore. Eng. vin b - luv. Upstream. Without high output, all. Cruze, Cruze Limited. 1.4l. 1.4L turbo. Sonic. Front. 1.4l. Trax. Without...
$56.36
MSRP $98.02
Save $41.66
42.5% Off 
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
$17.21
MSRP $29.04
Save $11.83
40.7% Off 
Position 1 Exhaust Temperature Sensor
GM
55511825
1.6L, sensors, position 1. Equinox, Terrain. 1.6l diesel. Position 1 upper cat. 1.6L, front section, #1.
$44.86
MSRP $78.02
Save $33.16
42.5% 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
$33.11
MSRP $50.52
Save $17.41
34.5% Off 
Fuel Tank Filler Vent Hose
GM
84492938
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$35.09
MSRP $50.84
Save $15.75
31% Off 
F (S)Canister
GM
85161071
ATS. Without v-series. Federal. Acdelco# 84082816.
$115.88
MSRP $205.10
Save $89.22
43.5% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210654
All models. 5.0l. Stamped #17087194. Stamped #17087193. Under GVW 8,500 Lbs. Exc.Calif. G10-30 vans. 5.0l. All. 5.7l. This GM Genuine...
$110.34
MSRP $195.30
Save $84.96
43.5% Off 
Secondary Air Injection Pump with Bracket
GM
55569076
Sonic. 1.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
$188.64
MSRP $336.86
Save $148.22
44% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84721353
Emission reduction system, 3.0L diesel, reduction tank, standard bed.
Manufactured to GM OE specification for fit, form, and function
$74.69
MSRP $131.04
Save $56.35
43% Off 
Secondary Air Injection Pump
GM
90542305
Catera. Helps maintain controlled air flow to proper air injection components
$126.01
MSRP $223.02
Save $97.01
43.5% Off 
Heated Oxygen Sensor
GM
12599204
Express, savana. Gas. Front. Calif. This part requires programming and/or special setup procedures GM Service Information describes the...
$121.49
MSRP $215.02
Save $93.53
43.5% Off 
Reductant Fluid Injector
GM
55515114
Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
$69.85
MSRP $122.54
Save $52.69
43% Off 
Fluid Pipe
GM
85693477
3.0L diesel emission reduction system.
$125.48
MSRP $222.09
Save $96.61
43.5% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342406
6.6L diesel, emission reduction system, crew cab, 8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$83.24
MSRP $146.04
Save $62.80
43% 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 
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
$12.50
MSRP $21.10
Save $8.60
40.8% Off 
Heated Oxygen Sensor
GM
12687606
Silverado, sierra. 5.3l. Upper. Right. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. This part requires programming and/or special...
$49.15
MSRP $85.48
Save $36.33
42.5% Off 
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 
Secondary Air Injection Check Valve Kit with Valve, Retainer, Gasket, and Bolts
GM
12632977
Impala. 2.5l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous...
$185.75
MSRP $331.70
Save $145.95
44% Off 
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.
$64.20
MSRP $97.93
Save $33.73
34.4% 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,...
$180.48
MSRP $322.28
Save $141.80
44% Off 
Vapor Canister
GM
15112165
Suburban, Yukon XL. 3/4 ton. 8.1l. Escalade EXT, esv. 3/4 ton. Avalanche. 3/4 ton. Helps reduce harmful pollutants from entering the...
$226.16
MSRP $403.86
Save $177.70
44% Off 
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,...
$70.76
MSRP $124.16
Save $53.40
43% Off 
Vapor Canister Vent Valve Solenoid
GM
19207763
Incl.Hose. Location-Vapor Canister. Silverado, sierra hybrid. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$134.14
MSRP $237.42
Save $103.28
43.5% Off 
F (S)Canister
GM
42894755
Malibu. 1.5l. Regal Sportback. 2.0l. Fwd. Malibu. 2.0l. 2.0L turbo, without awd, 2nd design.
$168.68
MSRP $298.54
Save $129.86
43.5% Off 
Black Multi-Purpose Pigtail
GM
13585858
Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$29.98
MSRP $50.88
Save $20.90
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