Emission Systems
Heated Oxygen Sensor
GM
12668435
ACDelco Heated Oxygen Sensor (Part Number: 12668435) is a pre-catalyst heated oxygen sensor (bank 1) that measures oxygen content in...
$43.33
MSRP $76.02
Save $32.69
43% Off 
Vapor Canister Bracket
GM
20958879
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$71.61
MSRP $129.02
Save $57.41
44.5% Off 
Positive Crankcase Ventilation Foul Air Tube
GM
12701623
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$43.21
MSRP $66.49
Save $23.28
35% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
23342403
6.6L diesel, emission reduction system, double cab, 6.9 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous...
$72.29
MSRP $114.26
Save $41.97
36.7% Off 
Exhaust Temperature Sensor
GM
55499759
ACDelco Exhaust Temperature Sensor (Part Number: 55499759) is a temperature sensing device positioned before the diesel particulate...
$40.66
MSRP $71.34
Save $30.68
43% 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 
Vapor Canister Vent Solenoid
GM
22775864
ACDelco Vapor Canister Vent Solenoid (Part Number: 22775864) is a canister vent solenoid that controls fresh air flow to the...
$90.62
MSRP $163.28
Save $72.66
44.5% Off 
Secondary Air Injection Check Valve Kit with Valve, Retainer, Gasket, and Bolts
GM
12639990
A.i.r. Pump, 2.5L. ATS. 2.5l. Calif. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and...
$196.37
MSRP $358.66
Save $162.29
45.2% Off 
Egr Valve
GM
12713478
ACDelco Exhaust Gas Recirculation (EGR) Valve (Part Number: 12713478) is an emission-control valve manufactured to OE specifications...
$243.96
MSRP $445.58
Save $201.62
45.2% Off 
Valve Gasket
GM
24508113
All models. 3.8l. With supercharger. Riviera.
$6.48
MSRP $10.80
Save $4.32
40% Off 
Positive Crankcase Ventilation Tube
GM
12670792
ACDelco Positive Crankcase Ventilation Tube (Part Number: 12670792) is an ACDelco PCV (Positive Crankcase Ventilation (PCV)) tube that...
$23.93
MSRP $41.98
Save $18.05
43% Off 
Passenger Side Secondary Air Injection Check Valve Pipe Adapter
GM
12645865
2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$247.39
MSRP $451.86
Save $204.47
45.3% Off 
Exhaust Gas Recirculation (EGR) Pipe Gasket
GM
97303656
ACDelco Exhaust Gas Recirculation (EGR) Pipe Gasket (Part Number: 97303656) is a gasket designed to seal EGR pipe connections and...
$12.80
MSRP $18.74
Save $5.94
31.7% Off 
Exhaust Temperature Sensor
GM
55499760
ACDelco Exhaust Temperature Sensor (Part Number: 55499760) is an exhaust-gas temperature sensor (position 4) that monitors...
$34.50
MSRP $60.52
Save $26.02
43% Off 
Heated Oxygen Sensor
GM
55572993
ACDelco Heated Oxygen Sensor (Part Number: 55572993) is an upstream heated oxygen sensor assembly that detects oxygen content in...
$55.87
MSRP $98.02
Save $42.15
43% Off 
Position 1 Exhaust Temperature Sensor
GM
55511825
1.6L, sensors, position 1. Equinox, Terrain. 1.6l diesel. Position 1 upper cat. 1.6L, front section, #1.
$44.47
MSRP $78.02
Save $33.55
43% Off 
Vapor Canister
GM
84106544
ACDelco Vapor Canister (Part Number: 84106544) is an evaporative emissions canister that captures fuel vapors for controlled re-burn...
$213.28
MSRP $389.55
Save $176.27
45.2% Off 
Vapor Canister Purge Solenoid Valve Bracket
GM
55575565
Without diesel 1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$16.60
MSRP $27.66
Save $11.06
40% Off 
Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness
GM
84113571
GM Genuine Parts Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness (Part Number: 84113571) is a wiring harness for the DEF...
$54.40
MSRP $95.44
Save $41.04
43% Off 
Vapor Canister Air Inlet Hose
GM
84025035
Without awd, 1st design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.96
MSRP $81.82
Save $25.86
31.6% Off 
Secondary Air Injection Pump with Bracket
GM
55569076
ACDelco Secondary Air Injection Pump with Bracket (Part Number: 55569076) is an emission-control pump assembly designed to supply...
$184.43
MSRP $336.86
Save $152.43
45.3% Off 
Emission Reduction Fluid Tank Filler Pipe
GM
84721353
ACDelco Emission Reduction Fluid Tank Filler Pipe (Part Number: 84721353) is a filler-pipe assembly manufactured to GM OE...
$72.73
MSRP $131.04
Save $58.31
44.5% Off 
Heated Oxygen Sensor
GM
55574136
ACDelco Heated Oxygen Sensor (Part Number: 55574136) is an upstream heated O2 sensor used to measure oxygen content in exhaust gases...
$50.06
MSRP $87.82
Save $37.76
43% Off 
Reductant Fluid Injector
GM
55515114
ACDelco Reductant Fluid Injector (Part Number: 55515114) is an injector for selective catalytic reduction (SCR) reductant fluid...
$68.01
MSRP $122.54
Save $54.53
44.5% Off 
Solenoid Valve
GM
42933353
ACDelco Vapor Canister Vent Valve Solenoid (Part Number: 84524035) controls fresh air flow to the EVAP canister and helps manage fuel...
$23.85
MSRP $41.84
Save $17.99
43% Off 
Engine Cooler Seal
GM
55583122
GM Genuine Parts Engine Cooler Seal (Part Number: 55583122) is an EGR cooler seal intended to maintain a leak-free connection between...
$5.42
MSRP $9.04
Save $3.62
40% Off 
F (S)Canister
GM
42894755
GM Genuine Parts Vapor Canister (Part Number: 84944778) is an evaporative emissions control canister that collects and stores fuel...
$163.45
MSRP $298.54
Save $135.09
45.3% Off 
Exhaust Gas Recirculation Pipe
GM
40009037
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$28.52
MSRP $50.04
Save $21.52
43% Off 
Vapor Canister Solenoid Valve Bracket
GM
84310455
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
$20.72
MSRP $30.30
Save $9.58
31.6% Off 
Vapor Canister
GM
84316430
Malibu. 1.8l. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM...
$98.72
MSRP $148.23
Save $49.51
33.4% Off 
Vapor Canister Vent Hose
GM
84626475
FILLER PIPE. crew cab 5.8 ft box. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$47.23
MSRP $72.68
Save $25.45
35% Off 
Vapor Canister
GM
42763670
ACDelco Vapor Canister (Part Number: 42763670) is an evaporative emission (Evaporative Emission (EVAP)) canister assembly engineered...
$240.78
MSRP $385.78
Save $145.00
37.6% Off 
Exhaust Temperature Sensor
GM
19418900
GM Genuine Parts Exhaust Temperature Sensor (Part Number: 19418900) is an exhaust gas temperature sensor assembly built to GM OE...
$59.71
MSRP $107.58
Save $47.87
44.5% Off 
Vapor Canister Vent Valve
GM
20880503
ACDelco Vapor Canister Vent Valve (Part Number: 20880503) is an evaporative emission (EVAP) system vent valve / solenoid that controls...
$36.95
MSRP $64.82
Save $27.87
43% Off 
Evaporative Emission Pipe
GM
42854468
Encore GX. To canister. 1.2L turbo. 1.3L turbo.
$45.22
MSRP $79.34
Save $34.12
43% Off 
Heated Oxygen Sensor
GM
55506886
ACDelco Heated Oxygen Sensor (Part Number: 55506886) is an OE heated oxygen sensor (pre-catalyst) designed to detect oxygen content in...
$63.88
MSRP $115.10
Save $51.22
44.5% Off 
Vapor Canister Vent Valve
GM
25950499
ACDelco Vapor Canister Vent Valve (Part Number: 25950499) Type: Emission Control Parts Part label: VALVE ASM-EVAP EMIS CNSTR...
$52.16
MSRP $91.50
Save $39.34
43% Off 
Engine Mount Vacuum Tank
GM
84017372
GM Genuine Parts Engine Mount Vacuum Tank (Part Number: 84017372) is a vacuum tank hose assembly associated with engine mount systems...
$35.92
MSRP $55.29
Save $19.37
35% Off 
Vapor Canister Purge Valve
GM
55577313
ACDelco Vapor Canister Purge Valve (Part Number: 55577313) is an EVAP purge solenoid assembly that controls vapor flow from the...
$50.30
MSRP $88.24
Save $37.94
43% Off 
Emission Reduction Fluid Controller
GM
39153712
GM Genuine Parts Emission Reduction Fluid Controller (Part Number: 39153712) is an emission control module used in SCR/AdBlue/DEF...
$367.58
MSRP $674.46
Save $306.88
45.5% Off 
Fuel Tank Filler Vent Hose
GM
84136766
Diesel, with 2.8L, fuel tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$41.97
MSRP $73.63
Save $31.66
43% Off 
Egr Cooler
GM
40009587
Silverado, sierra. 3.0l diesel. Tahoe. 3.0l diesel. Suburban. 3.0l diesel. Yukon XL. 3.0l diesel. Escalade. 3.0l diesel. 3.0L diesel low...
$169.46
MSRP $309.52
Save $140.06
45.3% Off 
Canister
GM
42933886
Encore. Eng. vin b - luv. Trax. Without high output.
$161.07
MSRP $294.21
Save $133.14
45.3% Off 
Exhaust Gas Recirculation Pipe Seal
GM
55496593
GM Genuine Parts Exhaust Gas Recirculation Pipe Seal (Part Number: 55496593) is an O-ring style seal used on the EGR pipe to prevent...
$1.56
MSRP $2.60
Save $1.04
40% Off 
Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe
GM
84974985
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$69.32
MSRP $124.90
Save $55.58
44.5% 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!