Emission Systems
availability
Multi-Purpose Nut
GM
11546365
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.78
MSRP $2.74
Save $0.96
35% Off 
Multi-Purpose Nut
GM
11517996
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.43
MSRP $8.35
Save $2.92
35% Off 
Multi-Purpose Nut
GM
11588835
2.5L. 1.2L turbo, front section. 1.3L turbo, front section, awd. 1.3L turbo, front section, fwd. 1.8L, center and rear. 2007-08. 1.6L....
$0.44
MSRP $0.68
Save $0.24
35.3% 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 &...
$6.29
MSRP $11.05
Save $4.76
43.1% 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...
$37.15
MSRP $64.61
Save $27.46
42.5% 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 
Vapor Canister Purge Solenoid Valve
GM
12666845
1.3L turbo. 1.2L turbo. XT4. CT4. Silverado, sierra. 2.7l. 2019. Location-Engine Bay. Acadia. 2.0l. Blazer. 2.0l. Controls vapor flow...
$19.10
MSRP $34.10
Save $15.00
44% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12670652
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$26.63
MSRP $41.72
Save $15.09
36.2% Off 
Vapor Canister Purge Valve
GM
55573017
Encore. Eng. vin b - luv. Sonic. 1.4l. Trax. Cruze, Cruze Limited. 1.4l. Without diesel, 1.4L turbo. Controls vapor flow from canister...
$32.50
MSRP $58.04
Save $25.54
44% Off 
Positive Crankcase Ventilation Hose Fitting Seal
GM
55488038
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$0.35
MSRP $0.54
Save $0.19
35.2% Off 
Heated Oxygen Sensor
GM
55488558
Silverado, sierra. 2.7l. Lower. XT4. Down stream. Downstream. CT4. 2.7l. Bank 1 sensor 2. Acadia. 2.0l. Blazer. 2.0l. This part requires...
$38.44
MSRP $68.63
Save $30.19
44% Off 
Heated Oxygen Sensor
GM
55574135
Without high output. Encore. Eng. vin b - luv. Downstream. Trax. This part requires programming and/or special setup procedures GM...
$73.45
MSRP $131.16
Save $57.71
44% Off 
M6x1x20 Multi-Purpose Bolt
GM
11588712
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.43
MSRP $8.36
Save $2.93
35% Off 
Black Multi-Purpose Pigtail
GM
13586114
Modulator, #3. 3.8L. 1993-97, #3. 3.4L. G5. Auto trans. Protective outer coverings help provide long-lasting durability
Color-coded...
$28.69
MSRP $50.05
Save $21.36
42.7% Off 
Vapor Canister Purge Pipe
GM
20919365
3.6L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$53.61
MSRP $95.74
Save $42.13
44% Off 
Air Injection Valve
GM
01997201
Controls vapor flow from canister to engine
$38.08
MSRP $67.99
Save $29.91
44% Off 
Heated Oxygen Sensor
GM
12696642
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 2. This part requires programming and/or special setup procedures GM...
$67.47
MSRP $120.48
Save $53.01
44% Off 
Secondary Air Injection Pump Hose
GM
15869706
Air injection system, 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$62.79
MSRP $98.34
Save $35.55
36.2% Off 
Heated Oxygen and Exhaust Temperature Sensor Lead Protector
GM
19316343
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$40.26
MSRP $59.93
Save $19.67
32.8% 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
$16.82
MSRP $30.04
Save $13.22
44% Off 
Vapor Canister Purge Pipe
GM
20919683
3.6L without flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$350.50
MSRP $625.90
Save $275.40
44% Off 
Diesel Emissions Fluid (DEF) Exhaust Front Pipe Injector Supply Pipe
GM
23182419
With diesel, emission reduction system, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$185.24
MSRP $275.65
Save $90.41
32.8% Off 
Outlet Hose
GM
24001100
Height pressure system. From cooler. Yukon. 3.0l diesel. 3.0L diesel low pressure. Outlet hose.
$4.56
MSRP $8.00
Save $3.44
43% Off 
Engine Mount Vacuum Hose
GM
23234890
Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$76.66
MSRP $120.08
Save $43.42
36.2% Off 
Exhaust Pipe Gasket
GM
12617475
With diesel, emission reduction system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$14.58
MSRP $22.00
Save $7.42
33.7% 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
$16.72
MSRP $29.86
Save $13.14
44% Off 
Vapor Canister Purge Tube
GM
12586630
Vent hose. 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$21.17
MSRP $37.80
Save $16.63
44% Off 
Heated Oxygen Sensor
GM
12652845
2.0L turbo. CTS. 2.0l. Upper. Envision. 2.0l. Bank 1 sen 1. Equinox, Terrain. 2.0l. Upstream. Detects oxygen content in the exhaust...
$57.53
MSRP $102.74
Save $45.21
44% Off 
Heated Oxygen Sensor
GM
12656543
Downstream. Malibu. 2.4l. 2.4L, with code: aua. This part requires programming and/or special setup procedures GM Service Information...
$103.99
MSRP $185.70
Save $81.71
44% Off 
Vacuum Hose
GM
12654564
3.6L twin-turbo, wastegate system, #5.
$67.84
MSRP $106.26
Save $38.42
36.2% Off 
Heated Oxygen Sensor
GM
12670254
Corvette. Downstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$43.04
MSRP $76.86
Save $33.82
44% Off 
Vapor Canister Hose
GM
96865769
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$65.53
MSRP $102.65
Save $37.12
36.2% Off 
Position 4 Exhaust Temperature Sensor
GM
55495858
2017-20, egr valve & related components, muffler with tpipe, front. 2.8L turbo diesel, egr valve & related components, muffler with...
$60.88
MSRP $108.72
Save $47.84
44% Off 
Heated Oxygen Sensor
GM
12609456
Rear. 4.3L. Hummer H2. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$57.80
MSRP $103.22
Save $45.42
44% Off 
Heated Oxygen Sensor
GM
12644786
Cruze, Cruze Limited. 2.0l. Upstream. With diesel, egr valve & related components. This part requires programming and/or special setup...
$159.85
MSRP $285.44
Save $125.59
44% Off 
Vapor Canister Purge Valve Bracket
GM
12579283
G5. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$13.79
MSRP $24.62
Save $10.83
44% Off 
Heated Oxygen Sensor
GM
12597947
3.6L. Acadia, Acadia Limited. Outlook. Vue. 3.5l. Enclave, Traverse. Vue Hybrid. G6. Rear. 2.4l. Left. 2.4L, 1st design. This part...
$96.20
MSRP $171.78
Save $75.58
44% Off 
Heated Oxygen Sensor
GM
12565397
All models. 6.0l. All models. 8.1l. Calif. Express, savana. Over 8500 gvw. Without 7.4L, gas, 8.1l. Front of converter, 6.0l. Front of...
$77.13
MSRP $137.75
Save $60.62
44% Off 
Vapor Canister Purge Solenoid
GM
22840966
Silverado, sierra. 6.0l. Crewith ext cab. Location-Vapor Canister. 6.0L, 6.5 ft box. 6.0L, 6.6 ft box. Suburban 3500hd.
$85.50
MSRP $152.67
Save $67.17
44% Off 
Exhaust Temperature Sensor
GM
55499757
2.8L turbo diesel, egr valve & related components, catalytic converter, upper. Helps provide accurate temperature detection
Heat and...
$43.36
MSRP $77.41
Save $34.05
44% Off 
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