Emission Systems
availability
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
$10.94
MSRP $16.01
Save $5.07
31.7% Off 
Injector
GM
12743094
Emissions reductant. Silverado, Sierra 2500 HD. To 11/17/20. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
$145.70
MSRP $264.90
Save $119.20
45% Off 
Egr Cooler
GM
40009587
3.0L diesel, low pressure. Silverado, sierra. 3.0l diesel. Tahoe. 3.0l diesel. Suburban. 3.0l diesel. Yukon XL. 3.0l diesel. Escalade....
$170.24
MSRP $309.52
Save $139.28
45% Off 
Exhaust Gas Re-Circulation (Egr) Tube Clamp
GM
11602189
3.0L diesel, low pressure.
$3.24
MSRP $4.74
Save $1.50
31.6% Off 
Emission Reduction Fluid Tank Shield
GM
84360117
2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$62.32
MSRP $111.28
Save $48.96
44% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
55562846
With diesel, egr valve & related components, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$5.29
MSRP $8.82
Save $3.53
40% Off 
Exhaust Temperature Sensor
GM
55499758
2.8L turbo diesel, egr valve & related components, catalytic converter, lower. Helps provide accurate temperature detection
Heat and...
$49.15
MSRP $86.22
Save $37.07
43% Off 
Heated Oxygen Sensor
GM
55584585
Volt. Upper. ELR. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$124.08
MSRP $225.60
Save $101.52
45% Off 
Secondary Air Injection Pump Bracket
GM
55496173
1.2L turbo 2024. 1.2L turbo 2025-26.
$21.48
MSRP $35.80
Save $14.32
40% Off 
Heated Oxygen Sensor
GM
55569902
Cascada. Bank 1 sen 1. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$56.97
MSRP $101.74
Save $44.77
44% Off 
Exhaust Gas Recirculation Cooler Temperature Sensor
GM
55514862
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$18.64
MSRP $31.06
Save $12.42
40% Off 
Position 2 Exhaust Temperature Sensor
GM
55495856
2017-20, egr valve & related components, catalytic converter, lower. Express, savana. 2.8l diesel. Position #2. Canyon, Colorado. 2.8l...
$59.19
MSRP $105.70
Save $46.51
44% Off 
Heated Oxygen Sensor
GM
55570074
Cascada. Bank 1 sen 2. 1.8L. This part requires programming and/or special setup procedures GM Service Information describes the...
$44.21
MSRP $77.56
Save $33.35
43% Off 
Temp Sensor
GM
55502674
2017-22, egr valve & related components, exhaust manifold. Express, savana. 2.8l diesel. Sensor 1. 2.8L turbo diesel, egr valve &...
$40.21
MSRP $70.54
Save $30.33
43% Off 
Sensor
GM
40009755
NOX Sensor. 3.0L diesel, sensors, 2021-24. To 05/20/2022. Suburban. 3.0l diesel. Lower. To 05/19/22. Tahoe. 3.0l diesel. Yukon. 3.0l...
$134.12
MSRP $243.86
Save $109.74
45% Off 
Diesel Exhaust Fluid (Def) System Main Wiring Harness
GM
85138745
6.6L diesel, emission reduction system, 1st design.
$110.29
MSRP $200.52
Save $90.23
45% Off 
Vapor Canister
GM
85107747
Silverado, sierra. 5.3l. Without 8' box. Tahoe. 5.3l. Without regular cab. Yukon. 5.3l. Silverado, sierra. 4.3l. 2.7L. 6.2L. Escalade.
$204.83
MSRP $382.46
Save $177.63
46.4% Off 
Intake Manifold Runner Control Valve Actuating Vacuum Tank
GM
96407789
Aveo, Aveo5. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.59
MSRP $15.98
Save $6.39
40% Off 
A.I.R Pump
GM
25207556
1.3L turbo. 2.7L. Trailblazer. 1.3l. Encore GX. 1.3l.
$101.45
MSRP $181.14
Save $79.69
44% Off 
Exhaust Temperature Sensor
GM
19418987
6.6L diesel, egr valve & related components, 2015-16, at turbo exh pipe. This part requires programming and/or special setup procedures....
$50.55
MSRP $88.68
Save $38.13
43% Off 
Pipe
GM
85856214
3.0L diesel, emission reduction system, crew cab, 5.8 ft box. 3.0L diesel emission reduction system. double cab.
$110.64
MSRP $201.16
Save $90.52
45% Off 
Multi-Purpose Bolt
GM
11547321
Bumper cover & trim, with tow hooks. With high country. 3.0L twin-turbo. 2017-21 3.6L. This GM Genuine Part is designed, engineered, and...
$5.71
MSRP $9.52
Save $3.81
40% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
98062923
Silverado, sierra. 6.6l. 2010-16, egr valve & related components, side. Express, savana. 6.6l diesel. Lock b. 6.6L diesel, egr valve &...
$6.62
MSRP $11.05
Save $4.43
40.1% 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 &...
$46.42
MSRP $81.44
Save $35.02
43% 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
$7.94
MSRP $11.63
Save $3.69
31.7% 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...
$407.69
MSRP $709.02
Save $301.33
42.5% Off 
Engine Crankcase Vent Valve
GM
12722131
Oil Separator Assy. Colorado. 2.7l. CT4. 2.7l. Canyon. 2.7l. Traverse. 2.5l. Acadia. 2.5l.
$30.85
MSRP $47.48
Save $16.63
35% Off 
Heated Oxygen Sensor
GM
12634085
Enclave, Traverse. Rear. Acadia, Acadia Limited. This part requires programming and/or special setup procedures GM Service Information...
$189.10
MSRP $343.82
Save $154.72
45% Off 
Heated Oxygen Sensor
GM
12659516
Double & crew cab. Tahoe, Yukon, Escalade. Left. Sierra, silverado. Upper. Right. Suburban, Yukon XL. Front. Escalade ESV. Regular cab....
$67.47
MSRP $120.48
Save $53.01
44% Off 
EGR Tube
GM
12640020
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$75.12
MSRP $134.14
Save $59.02
44% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12655014
3.0L twin-turbo, small. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.93
MSRP $35.26
Save $12.33
35% Off 
Heated Oxygen Sensor
GM
12589321
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$86.79
MSRP $154.98
Save $68.19
44% Off 
Heated Oxygen Sensor
GM
12675980
Pre-catalyst. Upstream. Upper. Envision. 2.0l. Bank 1 sen 1. Traverse. 2.0l. Front. 2.0L turbo. This part requires programming and/or...
$59.32
MSRP $105.92
Save $46.60
44% Off 
Vacuum Hose
GM
12662882
3.0L twin-turbo wastegate system. bypass valve rear.
$39.84
MSRP $61.32
Save $21.48
35% Off 
Heated Oxygen Sensor
GM
12657188
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$37.81
MSRP $64.61
Save $26.80
41.5% Off 
Exhaust Gas Recirculation (EGR) Manifold Gasket
GM
12641663
Express, savana. 2.8l diesel. 2.8L turbo diesel egr valve & related components. manifold. This GM Genuine Part is designed, engineered,...
$7.30
MSRP $12.41
Save $5.11
41.2% Off 
Intake Manifold Vacuum Fitting
GM
12686826
Coupe, 3.6L twin-turbo, intake mounted. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$264.96
MSRP $422.58
Save $157.62
37.3% Off 
Oxygen Sensor
GM
12721346
4.3, 5.3, 6.2L. Silverado, sierra. 6.2l. Upstream. 5.3, 6.2L. 6.2L. Right. Without supercharger. Escalade. 6.2l. Suburban. 6.2l. Tahoe....
$38.20
MSRP $67.02
Save $28.82
43% Off 
Heated Oxygen Sensor
GM
12615194
CTS-v. Rear. Coupe, 6.2L. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$109.77
MSRP $196.02
Save $86.25
44% Off 
Heated Oxygen Sensor
GM
12634063
CTS. Rear. Left. 3.6L, all. Camaro. 3.6l. 2011-15, 3.6L, auto trans. Sedan, 3.0L. Wagon, 3.0, 3.6L. This part requires programming...
$73.17
MSRP $130.66
Save $57.49
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