Emission Systems
Heated Oxygen Sensor
GM
12667438
Acadia. 3.6l. Lower. Enclave. Upstream. Blazer. 3.6l. XT5. 3.6l. XT6. 2.5L, 3.6L. 3.6L. This part requires programming and/or special...
$52.12
MSRP $86.86
Save $34.74
40% Off 
Evaporative Emission Pipe
GM
93357393
Rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.13
Vapor Canister
GM
84555107
Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$187.48
MSRP $326.06
Save $138.58
42.5% Off 
Turbocharger Coolant Pump Bracket
GM
84661755
Filler pipe, regular cab, type 2. 4.2L twin-turbo, radiator mounted. This GM Genuine Part is designed, engineered, and tested to...
$18.98
MSRP $28.95
Save $9.97
34.4% Off 
Vapor Canister Hose
GM
15213159
3.6L without flex fuel. 3.5 & 3.9L without flex fuel. 5.3L. This GM Genuine Part is designed, engineered, and tested to rigorous...
$46.58
MSRP $68.10
Save $21.52
31.6% Off 
Positive Crankcase Ventilation Tube
GM
55496605
2019 This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.86
MSRP $16.56
Save $5.70
34.4% Off 
Vapor Canister
GM
85157110
Canyon, Colorado. 2.5l, 3.6l.
$188.30
MSRP $327.48
Save $139.18
42.5% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12670791
5.3 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.83
MSRP $39.70
Save $16.87
42.5% Off 
Heated Oxygen Sensor
GM
12655678
Corvette. Lower. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$51.43
MSRP $85.72
Save $34.29
40% Off 
Vapor Canister Hose
GM
96865769
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$68.30
MSRP $99.86
Save $31.56
31.6% Off 
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
GM
12554530
Helps provide a leak-free seal Allows exhaust pollutants to enter the engine for re-burn Helps the engine emission system operate...
$10.26
MSRP $17.85
Save $7.59
42.5% 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...
$90.46
MSRP $150.76
Save $60.30
40% 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...
$26.05
MSRP $36.19
Save $10.14
28% 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
$50.38
MSRP $73.65
Save $23.27
31.6% Off 
Injector
GM
12743094
Emissions reductant. Silverado, Sierra 2500 HD. To 11/17/20. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
$148.17
MSRP $257.68
Save $109.51
42.5% Off 
Nitrogen Oxide Sensor with Clips
GM
19302360
NOX Sensor. 6.6L diesel 2015-16 egr valve & related components. This part requires programming and/or special setup procedures GM...
$273.96
MSRP $476.46
Save $202.50
42.5% Off 
Passenger Side Positive Crankcase Ventilation Tube
GM
12681424
2016-19, valve cover. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.39
MSRP $37.20
Save $15.81
42.5% 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,...
$102.70
MSRP $171.16
Save $68.46
40% Off 
Engine Mount Vacuum Tank
GM
84017381
2.0L turbo. Sedan, 2.5L. Sedan, 3.6L twin-turbo. Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to...
$40.21
MSRP $58.77
Save $18.56
31.6% Off 
Diesel Emissions Reduction Fluid (DEF) Injector
GM
12656061
Cruze. With diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$229.86
MSRP $399.76
Save $169.90
42.5% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12601254
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$29.45
MSRP $43.05
Save $13.60
31.6% Off 
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor
GM
98070097
Silverado, sierra. 6.6l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$128.17
MSRP $222.90
Save $94.73
42.5% Off 
Fluid Pipe
GM
87831177
3.0L diesel, emission reduction system, Escalade ESV.
$83.75
MSRP $139.58
Save $55.83
40% Off 
Inlet Hose
GM
12744385
6.6L diesel, egr valve & related components, 2017-19. 6.6L diesel, 1st design. Inlet. Cooler to Valve.
$12.88
MSRP $22.40
Save $9.52
42.5% Off 
Nitrogen Oxide Sensor
GM
12708006
NOX Sensor. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2020-23.
$184.75
MSRP $321.30
Save $136.55
42.5% 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...
$50.14
MSRP $83.57
Save $33.43
40% Off 
Vapor Canister Purge Valve with Bracket
GM
88969154
Awd. Vibe. Controls vapor flow from canister to engine
$79.88
MSRP $133.16
Save $53.28
40% Off 
Heated Oxygen Sensor
GM
12681390
1.3L turbo. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$46.86
MSRP $78.10
Save $31.24
40% Off 
Heated Oxygen Sensor
GM
12596688
Equinox, Torrent. 3.6l. At converter. This part requires programming and/or special setup procedures GM Service Information describes...
$113.17
MSRP $188.62
Save $75.45
40% Off 
Passenger Side Turbocharger Control Solenoid Valve
GM
12654584
3.0L twin-turbo, wastegate system. Charge air bypass. CT6. 3.0l. Right. This GM Genuine Part is designed, engineered, and tested to...
$269.27
MSRP $410.80
Save $141.53
34.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12670772
2015-16. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$50.27
MSRP $83.78
Save $33.51
40% Off 
Secondary Air Injection Shut-Off Valve
GM
12660127
Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$218.79
MSRP $380.49
Save $161.70
42.5% Off 
Heated Oxygen Sensor
GM
12606671
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$57.25
MSRP $95.42
Save $38.17
40% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12655013
Coupe, 3.6L. 2016-19 3.6L. lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$34.06
MSRP $56.76
Save $22.70
40% 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
$5.23
MSRP $7.58
Save $2.35
31% 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...
$61.82
MSRP $103.04
Save $41.22
40% Off 
Multi-Purpose Bolt
GM
11611692
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$48.23
MSRP $80.38
Save $32.15
40% Off 
Exhaust Temperature Sensor
GM
12623114
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$89.94
MSRP $149.88
Save $59.94
40% Off 
Emission Reduction Fluid Front Inlet Pipe Assembly
GM
84389464
6.6L diesel, emission reduction system, 2017-19, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$281.65
MSRP $489.82
Save $208.17
42.5% Off 
Canister Hose
GM
85745686
5.3 & 6.2L, #1. 6.2L, #1, Escalade ESV.
$77.60
MSRP $129.34
Save $51.74
40% Off 
Heated Oxygen Sensor
GM
12596740
Hummer H3. 3.5l, 3.7l. Rear. 3.5 & 3.7L. This part requires programming and/or special setup procedures GM Service Information describes...
$67.87
MSRP $113.11
Save $45.24
40% Off 
Vapor Canister Purge Solenoid Valve
GM
12656577
Volt. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$38.82
MSRP $56.76
Save $17.94
31.6% Off No results found. Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!