Emission Systems
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
$79.72
MSRP $83.33
Save $3.61
4.3% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
12620302
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.20
MSRP $8.58
Save $1.38
16.1% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12634292
3.0L, foul air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.21
MSRP $19.32
Save $3.11
16.1% Off 
Nitrogen Oxide Sensor
GM
40009339
3.0L diesel, sensors, 2021-24. Upper. Escalade. 3.0l diesel. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. NOX Sensor. Yukon. 3.0l diesel.
$166.81
MSRP $198.82
Save $32.01
16.1% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
55510043
Modulates the flow of exhaust gas into the intake manifold to help reduce nitrogen oxide (NOx) emissions
$190.29
MSRP $226.80
Save $36.51
16.1% 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 &...
$66.47
MSRP $79.22
Save $12.75
16.1% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
17113589
5.7L, all. 5.7L, 1998-02. Modulates the flow of exhaust gas into the intake manifold to help reduce nitrogen oxide (NOx) emissions
$208.74
MSRP $248.82
Save $40.08
16.1% Off 
Heated Oxygen Sensor
GM
12634061
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$75.06
MSRP $89.46
Save $14.40
16.1% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
12605720
2.0L turbocharged. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.77
MSRP $9.26
Save $1.49
16.1% 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...
$54.15
MSRP $62.86
Save $8.71
13.9% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12636249
A.i.r. Pump, 3.6L. ATS. 3.6l. Left. Helps prevent exhaust from entering air pump
$276.35
MSRP $329.38
Save $53.03
16.1% Off 
Heated Oxygen Sensor
GM
12594452
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$94.66
MSRP $112.82
Save $18.16
16.1% Off 
Secondary Air Injection Pump with Bracket
GM
55568068
Cruze, Cruze Limited. 1.8l. Without diesel, 1.8L. Helps maintain controlled air flow to proper air injection components
This GM Genuine...
$328.52
MSRP $391.56
Save $63.04
16.1% 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...
$65.09
MSRP $68.05
Save $2.96
4.3% Off 
Heated Oxygen Sensor
GM
12610969
4.6. STS, STS-v. 4.6l. SRX. Rear. 4.6l. Without chrome exhaust. This part requires programming and/or special setup procedures GM...
$147.63
MSRP $175.98
Save $28.35
16.1% Off 
Vapor Canister Solenoid
GM
84613096
Silverado, Sierra 2500 HD. Crew cab. Short box. Silverado, Sierra 3500 HD. 6.6L gas, 6.9ft box. Controls fresh air flow to the canister...
$94.54
MSRP $112.68
Save $18.14
16.1% Off 
M5x1.8x20 Multi-Purpose Bolt
GM
11611226
2.0L turbo. 1.3l turbo, cvt. 1.2L. 2019. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested...
$12.79
Vapor Canister Bracket
GM
84113689
4.3, 5.3, 6.2L. 2.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$116.37
MSRP $121.62
Save $5.25
4.3% 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...
$597.05
MSRP $711.62
Save $114.57
16.1% 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....
$72.37
MSRP $86.26
Save $13.89
16.1% Off 
Exhaust Temperature Sensor
GM
19418988
Express, savana. 6.6l diesel. Position #1. 2010-16, egr valve & related components, at turbo exh pipe. This part requires programming...
$59.75
MSRP $71.22
Save $11.47
16.1% 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
$60.32
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
$95.76
MSRP $114.14
Save $18.38
16.1% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210674
5.0l. Firebird. Auto trans. Manual trans. M39. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$123.82
MSRP $147.56
Save $23.74
16.1% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
12680216
6.6L diesel, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.86
MSRP $2.22
Save $0.36
16.2% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12609373
6.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$29.31
MSRP $34.94
Save $5.63
16.1% Off 
Multi-Purpose Clip
GM
10121502
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.00
MSRP $3.14
Save $0.14
4.5% 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
$52.12
Vapor Canister
GM
20779951
ATS. Pzev (code nu6). Without v-series. With pzev. Calif. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel...
$150.57
MSRP $179.46
Save $28.89
16.1% Off 
Heated Oxygen Sensor
GM
12637298
Verano. 2.4l. Downstream. Verano. 2.0l. This part requires programming and/or special setup procedures GM Service Information describes...
$147.60
MSRP $175.92
Save $28.32
16.1% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210677
S-series. 2.2l. 2.2L, california. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$139.95
MSRP $166.80
Save $26.85
16.1% Off 
Auxiliary Vapor Canister
GM
84492877
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$219.36
MSRP $273.88
Save $54.52
19.9% 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....
$98.33
MSRP $117.20
Save $18.87
16.1% Off 
Vapor Canister
GM
15733604
Tahoe, Yukon. Suburban, Yukon XL. Avalanche. 5.3l. Escalade EXT, esv. Helps reduce harmful pollutants from entering the atmosphere...
$295.36
MSRP $352.04
Save $56.68
16.1% 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!