Emission Systems
Secondary Air Injection Pump Inlet Hose
GM
23123381
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$52.43
MSRP $91.98
Save $39.55
43% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
55581606
ACDelco Exhaust Gas Recirculation (EGR) Valve Gasket (Part Number: 55581606) is a gasket for the EGR valve/cooler interface that...
$10.70
MSRP $15.66
Save $4.96
31.7% Off 
Vapor Canister Vent Solenoid
GM
22840968
ACDelco Vapor Canister Vent Solenoid (Part Number: 22840968) is an evaporative emissions vent solenoid that controls fresh air flow to...
$75.84
MSRP $136.64
Save $60.80
44.5% Off 
Nitrogen Oxides Sensor
GM
24001899
ACDelco Nitrogen Oxides Sensor (Part Number: 24001899) is a NOx sensor designed to detect nitrogen oxide concentrations in the exhaust...
$148.19
MSRP $270.66
Save $122.47
45.2% Off 
Vapor Canister Vent Solenoid
GM
22783574
ACDelco Vapor Canister Vent Solenoid (Part Number: 22783574) is an evaporative emission control solenoid that manages fresh air flow...
$94.07
MSRP $169.50
Save $75.43
44.5% Off 
Vapor Canister Vent Valve
GM
19316226
ACDelco Vapor Canister Vent Valve (Part Number: 19316226) is an evaporative emissions purge control valve that regulates vapor flow...
$71.25
MSRP $128.38
Save $57.13
44.5% Off 
Secondary Air Injection Hose
GM
25984607
2.4L air injection system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.02
MSRP $108.14
Save $48.12
44.5% Off 
Nylon Cable Tie
GM
12337820
ACDelco Nylon Cable Tie (Part Number: 12337820) is a factory wiring harness strap intended for secure routing and retention of airbag...
$0.12
MSRP $0.20
Save $0.08
40% Off 
Heated Oxygen Sensor
GM
19184901
Front. 2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
$120.02
MSRP $219.22
Save $99.20
45.3% Off 
Fuel Tank Filler Evaporative Emission Pipe
GM
22815205
Filler pipe components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$156.02
MSRP $250.01
Save $93.99
37.6% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting
GM
12635561
ACDelco Positive Crankcase Ventilation (PCV) Hose Fitting (Part Number: 12635561) is a precision underhood fitting used in the PCV...
$139.25
MSRP $254.34
Save $115.09
45.3% Off 
Nitrogen Oxides Sensor
GM
24001900
ACDelco Nitrogen Oxides Sensor (Part Number: 24001900) is an NOx sensor (position 3) used on select Silverado and Sierra diesel...
$153.31
MSRP $280.02
Save $126.71
45.3% Off 
Oxygen Sensor
GM
12696736
ACDelco F (S)Sensor (Part Number: 12696736) is a post-catalyst heated oxygen sensor assembly used by engine control systems to monitor...
$35.58
MSRP $62.42
Save $26.84
43% Off 
Vacuum Hose
GM
12654564
3.6L twin-turbo, wastegate system, #5.
$67.23
MSRP $106.26
Save $39.03
36.7% Off 
Vapor Canister Vent Solenoid
GM
20952523
ACDelco Vapor Canister Vent Solenoid (Part Number: 20952523) is an emission-control solenoid assembly that controls venting of the...
$48.77
MSRP $85.56
Save $36.79
43% Off 
Positive Crankcase Ventilation Tube
GM
12687313
ACDelco Positive Crankcase Ventilation Tube (Part Number: 12687313) is an emission-control plumbing component that routes crankcase...
$15.18
MSRP $25.30
Save $10.12
40% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
12660270
ACDelco Exhaust Gas Recirculation (EGR) Valve (Part Number: 12660270) is an EGR valve (Exhaust Gas Recirculation) that recirculates a...
$346.77
MSRP $636.28
Save $289.51
45.5% Off 
M.A.P Sensor Bracket
GM
12564011
3.4L, 2002-05. Egr valve & sensors, 3.1L. 3.4L, 2000-01.
$3.92
MSRP $5.74
Save $1.82
31.7% Off 
F (S)Canister
GM
85611392
ACDelco Vapor Canister (Part Number: 85611392) is an evaporative emissions canister that stores and routes fuel vapors for later purge...
$109.59
MSRP $197.46
Save $87.87
44.5% Off 
Heated Oxygen Sensor
GM
12616125
ACDelco Heated Oxygen Sensor (Part Number: 12616125) is a heated oxygen sensor engineered to monitor oxygen content in exhaust gases...
$79.74
MSRP $143.68
Save $63.94
44.5% Off 
Vapor Canister
GM
25903990
ACDelco Vapor Canister (Part Number: 25903990) is an EVAP canister assembly designed to capture and store fuel vapors, preventing...
$246.28
MSRP $449.82
Save $203.54
45.2% Off 
Heated Oxygen Sensor
GM
55563348
ACDelco Heated Oxygen Sensor (Part Number: 55563348) is an upstream heated O2 sensor for specified 1.4L turbo applications....
$104.86
MSRP $188.94
Save $84.08
44.5% Off 
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
GM
55498259
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.92
MSRP $5.74
Save $1.82
31.7% Off 
Vapor Canister
GM
95939884
Spark. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine...
$90.54
MSRP $135.95
Save $45.41
33.4% Off 
Vapor Canister
GM
42853016
Trailblazer. Encore GX. 1.3l. 1.2L turbo. 1.3L turbo. 2024.
$157.23
MSRP $287.18
Save $129.95
45.3% Off 
Exhaust Gas Temperature (Egt) Sensor
GM
40009342
3.0L diesel, sensors. Lower. Left. Escalade. 3.0l diesel. NOX Sensor. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Yukon. 3.0l diesel.
$143.73
MSRP $262.52
Save $118.79
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
98025695
GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve (Part Number: 98025695) is an EGR valve assembly designed for specific diesel...
$317.99
MSRP $509.48
Save $191.49
37.6% Off 
Heated Oxygen Sensor
GM
93191307
Astra. Front (position 1). This part requires programming and/or special setup procedures GM Service Information describes the...
$80.06
MSRP $144.24
Save $64.18
44.5% Off 
Vapor Canister
GM
92222164
Caprice PPV. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$228.40
MSRP $417.16
Save $188.76
45.2% Off 
Exhaust Gas Recirculation (EGR) Cooler Temperature Sensor Bracket
GM
55598410
1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.20
MSRP $13.46
Save $4.26
31.6% Off 
Vapor Canister
GM
42812241
1.8L, with pzev. Sonic. 1.8l. Without flex fuel.
$138.89
MSRP $253.68
Save $114.79
45.2% Off 
Temp Sensor
GM
40009349
Position 2. 3.0L diesel, sensors, position 1. 3.0L diesel, 2023-26. Suburban. 3.0l diesel. Tahoe. 3.0l diesel. Position 1...
$66.62
MSRP $105.27
Save $38.65
36.7% Off 
Secondary Air Injection Bypass Valve
GM
55573259
GM Genuine Parts Secondary Air Injection Bypass Valve (Part Number: 55573259) is an OEM valve assembly used in turbocharged and...
$27.17
MSRP $41.81
Save $14.64
35% Off 
Exhaust Gas Recirculation (EGR) Valve Seat Gasket
GM
55577389
ACDelco Exhaust Gas Recirculation (EGR) Valve Seat Gasket (Part Number: 55577389) is a sealed gasket for the EGR valve seat,...
$8.42
MSRP $14.04
Save $5.62
40% Off 
Position 3 Exhaust Temperature Sensor
GM
55495857
ACDelco Position 3 Exhaust Temperature Sensor (Part Number: 55495857) is an exhaust gas temperature sensor for position #3 in...
$46.76
MSRP $82.04
Save $35.28
43% 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
$61.80
MSRP $111.36
Save $49.56
44.5% Off 
Heated Oxygen Sensor
GM
55569902
ACDelco Heated Oxygen Sensor (Part Number: 55569902) is an ACDelco emission control sensor that monitors oxygen content in exhaust...
$56.41
MSRP $98.96
Save $42.55
43% 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...
$34.74
MSRP $50.79
Save $16.05
31.6% Off 
Vapor Canister Purge Hose
GM
84033917
3.6L, with awd, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$56.70
MSRP $102.16
Save $45.46
44.5% Off 
Charge Air Cooler Inlet Air Hose Adapter
GM
55515676
2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$44.33
MSRP $68.24
Save $23.91
35% Off 
Exhaust Temperature Sensor
GM
55499757
2.8L turbo diesel, egr valve & related components, catalytic converter, upper. Helps provide accurate temperature detection
Heat and...
$41.20
MSRP $72.28
Save $31.08
43% Off 
Vapor Canister Bracket
GM
84325522
6.6L gas, 6.9 ft box, crew cab. 6.6L gas, 6.9ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$72.41
MSRP $130.46
Save $58.05
44.5% Off 
Exhaust Temperature Sensor
GM
55492188
ACDelco Exhaust Temperature Sensor (Part Number: 55492188) is an exhaust temperature sensor assembly that monitors temperature at...
$38.68
MSRP $67.86
Save $29.18
43% Off 
Vapor Canister Vent Hose
GM
84428900
With awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.79
MSRP $111.34
Save $49.55
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