Emission Systems
availability
Driver Side Positive Crankcase Ventilation Tube
GM
12670910
With supercharger, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$56.03
MSRP $96.36
Save $40.33
41.9% Off 
Heated Oxygen Sensor
GM
12679686
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 2 sensor 1. This part requires programming and/or special setup procedures GM...
$107.80
MSRP $190.30
Save $82.50
43.4% Off 
Vapor Canister Bracket
GM
84378987
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$112.72
MSRP $198.98
Save $86.26
43.4% Off 
Secondary Air Injection Pump Hose
GM
25817029
2.4L, air injection pump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$31.96
MSRP $54.96
Save $23.00
41.8% Off 
Heated Oxygen Sensor
GM
19355311
All models. 6.0l. Left. 6.0L, rear of converter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$93.09
MSRP $164.32
Save $71.23
43.3% Off 
Diesel Emissions Fluid (DEF) Tank Filler Hose
GM
20945532
2010-16, emission reduction system. 2017-20, emission reduction system. This GM Genuine Part is designed, engineered, and tested to...
$41.81
MSRP $71.90
Save $30.09
41.8% Off 
Secondary Air Injection Pipe Flange Gasket
GM
12589488
2.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.38
MSRP $1.96
Save $0.58
29.6% Off 
Heated Oxygen Sensor Bracket
GM
19316341
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.21
MSRP $11.09
Save $2.88
26% Off 
Fuel Tank Filler Vent Hose
GM
20933031
6.6L diesel, 6.5 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.66
MSRP $10.36
Save $2.70
26.1% Off 
Fuel Tank Filler Vent Hose
GM
84224141
Fuel components 6.0L. 6.6 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$35.44
MSRP $50.79
Save $15.35
30.2% Off 
Secondary Air Injection Pump Hose
GM
55567469
Without diesel 1.8L. Air hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$27.91
MSRP $48.00
Save $20.09
41.9% Off 
Exhaust Temperature Sensor
GM
55499758
2.8L turbo diesel, egr valve & related components, catalytic converter, lower. Helps provide accurate temperature detection
Heat and...
$48.78
MSRP $83.88
Save $35.10
41.8% Off 
Mount Bracket
GM
55496173
1.2L turbo. 2024. 2025-26.
$21.47
MSRP $34.82
Save $13.35
38.3% Off 
Vapor Canister Purge Valve
GM
01997296
Controls vapor flow from canister to engine
$11.64
MSRP $18.88
Save $7.24
38.3% Off 
Secondary Air Injection Pump Bracket
GM
12638137
A.i.r. Pump, 3.6L with pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$60.89
MSRP $94.28
Save $33.39
35.4% Off 
Vapor Canister Purge Tube
GM
22825543
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$235.39
MSRP $421.10
Save $185.71
44.1% Off 
Vapor Canister Air Inlet Hose
GM
84112415
3.6L, with awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$63.09
MSRP $111.36
Save $48.27
43.3% Off 
Heated Oxygen Sensor
GM
12622643
Lucerne. 3.9L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$100.24
MSRP $176.94
Save $76.70
43.3% 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...
$122.68
MSRP $219.46
Save $96.78
44.1% Off 
Exhaust Gas Temperature (Egt) Sensor
GM
12709276
$29.77
MSRP $51.20
Save $21.43
41.9% Off 
Engine Oil Cooler Fitting
GM
55590841
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.12
MSRP $20.09
Save $5.97
29.7% Off 
Vapor Canister Purge Tube
GM
12630246
Without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$34.98
MSRP $60.16
Save $25.18
41.9% 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
$74.23
MSRP $131.04
Save $56.81
43.4% Off 
Vapor Canister
GM
19209329
Canyon, Colorado. Hummer H3. With H3T. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned...
$257.61
MSRP $460.84
Save $203.23
44.1% Off 
Driver Side Fuel Feed Hose
GM
84144036
Fuel pump components, left side, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$111.34
MSRP $196.54
Save $85.20
43.3% Off 
Emission Reduction Fluid Tank Filler Vent Hose
GM
84168991
6.6L diesel, emission reduction system, 2017-19, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$45.11
MSRP $68.05
Save $22.94
33.7% Off 
Heated Oxygen Sensor
GM
12580827
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$77.64
MSRP $137.06
Save $59.42
43.4% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket, Seals, and Bolts
GM
55594609
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$205.76
MSRP $368.08
Save $162.32
44.1% Off 
Vapor Canister
GM
13230480
LaCrosse. Without awd, california. 2.4L, with pzev. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to...
$261.06
MSRP $467.02
Save $205.96
44.1% Off 
Fan Assembly Bolt
GM
11602910
1.3L turbo, cvt, type 1. 1.2L turbo.
$5.13
MSRP $7.31
Save $2.18
29.8% Off 
Heated Oxygen Sensor
GM
88974383
Fwd, 1.8l without ho. Vibe. Without awd. Without gt. Front. This part requires programming and/or special setup procedures GM Service...
$121.47
MSRP $217.30
Save $95.83
44.1% Off 
Exhaust Temperature Sensor
GM
55499759
Location-Before Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating...
$41.48
MSRP $71.34
Save $29.86
41.9% Off 
Vapor Canister Purge Tube
GM
12678817
Canister & sensors, 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.25
MSRP $83.33
Save $28.08
33.7% Off 
Outlet Hose Clamp
GM
11602189
3.0L diesel, low pressure.
$3.33
MSRP $4.74
Save $1.41
29.7% Off 
Vapor Canister Vent Valve
GM
20880503
HHR. Sky. Solstice. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$37.69
MSRP $64.82
Save $27.13
41.9% Off 
Heated Oxygen Sensor
GM
12597878
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$57.78
MSRP $102.02
Save $44.24
43.4% Off 
Exhaust Temperature Sensor
GM
55499760
Location-Diesel Particulate Filter. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$35.19
MSRP $60.52
Save $25.33
41.9% Off 
M6x2.22x24 Multi-Purpose Bolt
GM
11562253
6 x 2.22 x 24mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.71
MSRP $8.13
Save $2.42
29.8% Off 
Heated Oxygen Sensor
GM
12567254
S-series. 4.3l. All. 4.3L, rear of converter. 4.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize...
$65.88
MSRP $116.30
Save $50.42
43.4% Off 
Heated Oxygen Sensor
GM
12572705
All models. 6.0l. Front, 8.1L. All models. 8.1l. Right. All models. 4.8l. All models. 4.3l. Rear, 8.1l. Silverado, sierra. 5.3l. 6.0L,...
$106.72
MSRP $188.38
Save $81.66
43.3% Off 
Injector
GM
12743094
Emissions reductant. Silverado, Sierra 2500 HD. To 11/17/20. Silverado, Sierra 3500 HD. 6.6L diesel, emission reduction system.
$144.04
MSRP $257.68
Save $113.64
44.1% Off 
Exhaust Gas Recirculation (EGR) Valve Pipe
GM
12632253
6.6L diesel, egr valve & related components, 2015-16. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$155.91
MSRP $278.90
Save $122.99
44.1% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12677819
Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. Helps provide a leak-free seal
Allows exhaust...
$24.39
MSRP $39.56
Save $15.17
38.3% Off 
Black Multi-Purpose Pigtail
GM
13585858
Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$30.32
MSRP $50.88
Save $20.56
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