Emission Systems
availability
Vapor Canister Purge Tube
GM
12674487
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.46
MSRP $24.08
Save $7.62
31.6% Off 
Secondary Air Injection Pump Inlet Hose
GM
23123381
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$52.43
MSRP $91.98
Save $39.55
43% 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....
$59.71
MSRP $107.58
Save $47.87
44.5% 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...
$81.05
MSRP $146.04
Save $64.99
44.5% Off 
Heated Oxygen Sensor
GM
25180901
Auto trans. Spark. Position 2. This part requires programming and/or special setup procedures GM Service Information describes the...
$78.29
MSRP $141.06
Save $62.77
44.5% 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...
$181.61
MSRP $331.70
Save $150.09
45.2% 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...
$184.43
MSRP $336.86
Save $152.43
45.3% Off 
Vapor Canister Purge Valve with Bracket
GM
88973527
Vibe. Without awd. Fwd. Controls vapor flow from canister to engine
$84.82
MSRP $152.82
Save $68.00
44.5% 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...
$97.62
MSRP $175.90
Save $78.28
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler
GM
12635707
Silverado, sierra. 6.6l. 6.6L diesel, egr valve & related components, 2015-16, front. This GM Genuine Part is designed, engineered, and...
$530.35
MSRP $973.12
Save $442.77
45.5% Off 
Vapor Canister
GM
19259321
Cobalt. Canister & sensors, california. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$199.90
MSRP $365.13
Save $165.23
45.3% Off 
Evaporator Tube
GM
85818011
6.2L, rear, coupe. 5.5L, rear, z06, coupe.
$89.00
MSRP $160.36
Save $71.36
44.5% Off 
Harness
GM
85108194
6.6L diesel, emission reduction system.
$64.14
MSRP $115.56
Save $51.42
44.5% 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...
$32.07
MSRP $56.26
Save $24.19
43% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84974984
Emission reduction system, 3.0L diesel. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by...
$61.95
MSRP $111.62
Save $49.67
44.5% Off 
Evaporative Emission System Vacuum Leak Pump Filter
GM
85513066
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$53.67
MSRP $94.16
Save $40.49
43% Off 
Oxygen Sensor
GM
25203197
1.2L turbo. Encore GX. Trailblazer. Trax. Downstream. Envista. 2024. 2025-26.
$35.09
MSRP $54.01
Save $18.92
35% Off 
Vapor Canister
GM
86801229
XT5. 2.0l. Traverse. 2.5l. Acadia. 2.5l. XT6. 2.0l. Without harness.
$230.03
MSRP $419.46
Save $189.43
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
97367014
EGR Valve To Intake. Offset Bolt Pattern. Express, savana. 6.6l diesel. 2006-2009, #2. All models. 6.6l. Rectangular. Helps provide a...
$9.76
MSRP $14.27
Save $4.51
31.6% Off 
Sensor
GM
40009741
Silverado, sierra. 3.0l diesel. Position 2-chassis frt. 3.0L diesel, 2023-26. Suburban. 3.0l diesel. Lower. Right. From 05/20/22. Tahoe....
$97.08
MSRP $174.92
Save $77.84
44.5% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
12619363
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$25.74
MSRP $45.16
Save $19.42
43% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Fresh Air Tube
GM
12700664
6.6L gas. 5.3 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.64
MSRP $21.41
Save $6.77
31.6% Off 
Heated Oxygen Sensor
GM
55572216
Cruze, Cruze Limited. 1.4l. Downstream. Without diesel, 1.4L turbo. Cruze, Cruze Limited. 1.8l. Without diesel, 1.8L. This part requires...
$67.18
MSRP $121.04
Save $53.86
44.5% Off 
Diesel Emissions Fluid (DEF) Supply Pump Module
GM
22902634
Silverado, sierra. Express, savana. 6.6l diesel. 6.6L diesel, emission reduction system, 2015-16. With diesel, emission reduction...
$499.92
MSRP $917.28
Save $417.36
45.5% Off 
Heated Oxygen Sensor
GM
25180900
Spark. Position 1. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$69.94
MSRP $126.02
Save $56.08
44.5% Off 
Fuel Tank Filler Vent Hose
GM
84138743
Double & crew cab filler pipe. 6.5 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$24.75
MSRP $36.19
Save $11.44
31.6% Off 
Vacuum Tank
GM
15973049
7.0L. With supercharged. 4.4L. 2nd design. Allows HVAC controls to function during low engine vacuum conditions
This GM Genuine Part is...
$34.71
MSRP $60.90
Save $26.19
43% Off 
Pressure Sensor
GM
24001114
3.0L diesel, sensors, for egr. 3.0L diesel, 2023-26, for egr. 3.0L diesel 2025-26 sensors. type 2.
$23.64
MSRP $41.48
Save $17.84
43% Off 
F (S)Canister
GM
85161071
ATS. Without v-series. Federal. Acdelco# 84082816.
$112.29
MSRP $205.10
Save $92.81
45.3% Off 
Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness
GM
84113571
6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$54.40
MSRP $95.44
Save $41.04
43% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
55510043
Modulates the flow of exhaust gas into the intake manifold to help reduce nitrogen oxide (NOx) emissions
$124.17
MSRP $226.80
Save $102.63
45.3% Off 
Turbocharger Gasket
GM
98070023
For EGR Cooler. Inlet. 2010-16 with diesel, 6.6L egr valve & related components.
$6.59
MSRP $10.98
Save $4.39
40% Off 
Nitrogen Oxide Sensor Kit with Sensor and Clips
GM
19302359
Nitrogen oxide. Sierra, silverado. 6.6L diesel, egr valve & related components, 2015-16. NOX Sensor.
$396.60
MSRP $727.70
Save $331.10
45.5% Off 
Exhaust Temperature Sensor
GM
12683525
6.6L diesel, egr valve & related components, 2017-19, lower. Exhaust temp sensor. 6.6l. Position 5. 6.6L diesel, sensors, at muffler &...
$45.16
MSRP $79.22
Save $34.06
43% Off 
Positive Crankcase Ventilation Oil Separator
GM
55509669
Oil Separator Assy. 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$27.15
MSRP $41.79
Save $14.64
35% Off 
Reductant Fluid Injector
GM
55515114
Silverado, sierra. Emission reduction system, 3.0L diesel.
Manufactured to GM OE specification for fit, form, and function
$68.01
MSRP $122.54
Save $54.53
44.5% Off 
Emission Reduction Fluid Tank Protector
GM
84417101
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.63
MSRP $29.38
Save $11.75
40% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
98025781
Express, savana. 6.6l diesel. 2006-2009. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$388.28
MSRP $624.95
Save $236.67
37.9% Off 
Secondary Air Injection Hose Clamp
GM
12597898
3.6L. 2.4L air injection system. Air injection system, 2009. This GM Genuine Part is designed, engineered, and tested to rigorous...
$5.42
MSRP $7.92
Save $2.50
31.6% Off 
Heated Oxygen Sensor
GM
12618012
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$109.89
MSRP $200.72
Save $90.83
45.3% Off 
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