Emission Systems
availability
Heated Oxygen Sensor
GM
12687257
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 1. This part requires programming and/or special setup procedures GM...
$117.27
MSRP $214.20
Save $96.93
45.3% Off 
Engine Cooler Seal
GM
55583122
1.6L, egr cooler. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.42
MSRP $9.04
Save $3.62
40% Off 
Heated Oxygen Sensor
GM
12703967
Corvette. Upstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$68.20
MSRP $122.88
Save $54.68
44.5% Off 
Vapor Canister Vent Hose
GM
84117923
With awd. Enclave. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$63.35
MSRP $114.14
Save $50.79
44.5% Off 
Vapor Canister
GM
15112165
Suburban, Yukon XL. 3/4 ton. 8.1l. Escalade EXT, esv. 3/4 ton. Avalanche. 3/4 ton. Helps reduce harmful pollutants from entering the...
$221.11
MSRP $403.86
Save $182.75
45.3% Off 
By-Pass Hose
GM
12584338
2.0L, #1. 2.0L supercharged, return.
$39.41
MSRP $60.65
Save $21.24
35% Off 
Evaporative Emission Canister Vent Hose
GM
84706626
Filler pipe, regular cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$59.02
MSRP $93.29
Save $34.27
36.7% Off 
Multi-Purpose Stud
GM
14062201
2.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.85
MSRP $6.73
Save $1.88
27.9% Off 
Air Tube
GM
12662883
3.0L twin-turbo, wastegate system, bypass valve, front.
$45.89
MSRP $70.61
Save $24.72
35% Off 
Emission Reduction Fluid Tank Reservoir Wire Harness
GM
84837084
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$74.13
MSRP $117.16
Save $43.03
36.7% Off 
Evaporative Emission Front Pipe
GM
23385606
1.5, 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$56.97
MSRP $85.52
Save $28.55
33.4% Off 
Vapor Canister Vent Hose
GM
84404632
Without hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$35.41
MSRP $51.78
Save $16.37
31.6% Off 
Vapor Canister Purge Hose
GM
84022609
3.6L, with awd, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$58.12
MSRP $104.72
Save $46.60
44.5% Off 
Secondary Air Injection Pump Bracket
GM
55573925
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.78
MSRP $14.30
Save $4.52
31.6% Off 
Air Injection Valve
GM
12567733
Location-A.I.R. Pipes. S-series. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested...
$119.39
MSRP $218.06
Save $98.67
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
97288795
All models. 6.6l. From bottom of valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$8.32
MSRP $12.16
Save $3.84
31.6% Off 
F (S)Canister
GM
85609678
3.6L, with pzev, gas. 2.5L, with pzev.
$130.26
MSRP $237.92
Save $107.66
45.3% Off 
Exhaust Gas Recirculation (EGR) Valve with Gasket
GM
19210653
G10-30 vans. 4.3l. 6 cylinder. Astro, Safari. 4.3l. Auto trans. All. Vin code z. Optional. Over GVW 8,500 Lbs. Under GVW 8,500 Lbs. This...
$104.84
MSRP $188.87
Save $84.03
44.5% Off 
Multi-Purpose Nut
GM
11546438
2017-19. 1.4L, center and rear section, sedan. 1.6L, center and rear section. This GM Genuine Part is designed, engineered, and tested...
$7.54
MSRP $9.95
Save $2.41
24.2% Off 
Fuel Tank Drain Hose
GM
84165192
Filler pipe components. Helps prevent liquid from sitting in pocket and possibly spilling onto paint
This GM Genuine Part is designed,...
$9.42
MSRP $13.08
Save $3.66
28% Off 
Evaporator Tube
GM
86816451
6.6L gas, filler pipe, 8 ft box.
$61.79
MSRP $111.34
Save $49.55
44.5% Off 
Heated Oxygen Sensor
GM
12590789
3.1l. Front. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and...
$60.54
MSRP $109.07
Save $48.53
44.5% Off 
Heated Oxygen Sensor
GM
12567073
Front. XLR. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and...
$125.72
MSRP $229.62
Save $103.90
45.2% Off 
Vapor Canister Vent Valve
GM
55593172
Volt. ELR. Controls vapor flow from canister to engine
$38.01
MSRP $66.68
Save $28.67
43% Off 
Heated Oxygen Sensor
GM
12586996
Front. 4.2L. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and...
$97.62
MSRP $175.90
Save $78.28
44.5% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler
GM
98034351
Silverado, sierra. 6.6l. 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$573.00
MSRP $922.26
Save $349.26
37.9% Off 
Heated Oxygen Sensor
GM
19209805
Express, savana. Right. Without diesel. All models. 5.3l. SSR. 1st design. 6.0L. This part requires programming and/or special setup...
$96.58
MSRP $174.02
Save $77.44
44.5% Off 
Heated Oxygen Sensor
GM
88975493
Vibe. 1.8l. Rear. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
$13.10
MSRP $21.84
Save $8.74
40% Off 
Diesel Emissions Fluid (DEF) Tank Filler Cap
GM
22753134
2010-16, emission reduction system. 2017-20, emission reduction system. 6.6L diesel, emission reduction system, 2017-19. 6.6L diesel,...
$19.31
MSRP $32.18
Save $12.87
40% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659585
3.6L twin-turbo, front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$41.39
MSRP $72.62
Save $31.23
43% Off 
Heated Oxygen Sensor
GM
19178929
Cavalier, Sunfire. 2.4l. 2.4L, post converter. Rear, 2.4L. Cavalier, Sunfire. 2.2l. 2.4L, pre converter. Detects oxygen content in the...
$79.98
MSRP $144.08
Save $64.10
44.5% Off 
Oxygen Sensor
GM
89017722
Rear. SRX. CTS. Catalyst monitoring. 3.6l. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part...
$95.73
MSRP $172.49
Save $76.76
44.5% Off 
Exhaust Temperature Sensor
GM
12623113
Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
$183.06
MSRP $334.34
Save $151.28
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
25183476
Aveo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$166.11
MSRP $303.40
Save $137.29
45.3% Off 
Vent Control Solenoid
GM
84648332
1.3L turbo. Encore GX. Trailblazer. 1.2L turbo. Trax. 1.2l. Envista. 1.2l. 2024.
$23.24
MSRP $38.74
Save $15.50
40% Off 
Nitrogen Oxides Sensor
GM
24001918
NOX Sensor. 2.8L turbo diesel egr valve & related components. lower. Detects the nitrogen oxide content of the exhaust to help optimize...
$164.35
MSRP $300.18
Save $135.83
45.2% Off 
Egr Valve
GM
40009269
Silverado, sierra. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel. 3.0L diesel high pressure.
$109.89
MSRP $200.72
Save $90.83
45.3% Off 
Exhaust Temp Sensor
GM
12737537
6.6L diesel, sensors, at muffler & pipe, posn 3. 6.6L diesel, sensors, 2024-26, exhaust particulate.
$86.16
MSRP $155.24
Save $69.08
44.5% Off 
Diesel Emissions Fluid (DEF) Exhaust Front Pipe Injector Supply Pipe
GM
20972739
2010-16 with diesel emission reduction system. front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$39.44
MSRP $57.67
Save $18.23
31.6% Off 
Nitrogen Oxide Sensor
GM
12708006
NOX Sensor. Silverado, Sierra 2500 HD. Rear. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2020-23.
$175.91
MSRP $321.30
Save $145.39
45.3% Off 
Nitrogen Oxides Sensor
GM
55515865
1.6L, sensors. Nox. Position 2. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE...
$387.83
MSRP $711.62
Save $323.79
45.5% Off 
Exhaust Gas Recirculation (EGR) Cooler Gasket
GM
55575360
1.6L, egr cooler. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$10.10
MSRP $16.84
Save $6.74
40% 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!