Emission Systems
Positive Crank Ventilation (PCV) Hose
GM
15123628
ACDelco Positive Crank Ventilation (PCV) Hose (Part Number: 15123628) is a PCV breather hose that routes crankcase vapors to the...
$13.72
MSRP $22.86
Save $9.14
40% Off 
Vapor Canister Purge Tube
GM
12631953
ACDelco Vapor Canister Purge Tube (Part Number: 12631953) is an evaporative emissions purge tube that routes fuel vapors for...
$13.63
MSRP $22.72
Save $9.09
40% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12643692
ACDelco Positive Crankcase Ventilation (PCV) Tube (Part Number: 12643692) is a PCV tube used to route crankcase ventilation gases back...
$19.60
MSRP $32.66
Save $13.06
40% Off 
Diesel Emissions Fluid (DEF) Pump Module Wiring Harness
GM
23300179
GM Genuine Parts Diesel Emissions Fluid (DEF) Pump Module Wiring Harness (Part Number: 23300179) is a wiring harness assembly for...
$146.00
MSRP $266.66
Save $120.66
45.2% Off 
Engine Intake Manifold Tuning Vacuum Control Solenoid Valve
GM
25794610
GM Genuine Parts Engine Intake Manifold Tuning Vacuum Control Solenoid Valve (Part Number: 25794610) is a vacuum control solenoid...
$60.59
MSRP $95.77
Save $35.18
36.7% Off 
Vapor Canister Vent Hose
GM
20907779
Canyon, Colorado. Location-Vapor Canister. Incl.Hose. Acadia, Enclave, Traverse. Hummer H3. 5.3L. Outlook. 3.7L. Controls fresh air flow...
$143.37
MSRP $261.86
Save $118.49
45.2% Off 
Valve
GM
19435149
ACDelco Vapor Canister Purge Valve with Bracket (Part Number: 19432156) is an emission control purge solenoid assembly that manages...
$60.38
MSRP $108.80
Save $48.42
44.5% Off 
Vapor Canister Vent Solenoid
GM
85123399
ACDelco Vapor Canister Solenoid (Part Number: 85123399) is a solenoid valve assembly used in the evaporative emission (EVAP) system to...
$46.85
MSRP $82.20
Save $35.35
43% Off 
2-Way Female Black Multi-Purpose Pigtail
GM
12085491
4.0L. Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
$22.24
MSRP $37.06
Save $14.82
40% Off 
Multi-Purpose Nut
GM
11546365
GM Multi-Purpose Nut (Part Number: 11546365) is a general-purpose fastening nut used in multiple OEM assembly locations. Function:...
$1.82
MSRP $2.67
Save $0.85
31.8% Off 
Positive Crankcase Ventilation (PCV) Hose
GM
22724246
ACDelco Positive Crankcase Ventilation (PCV) Hose (Part Number: 22724246) is a PCV system hose engineered to route crankcase...
$19.48
MSRP $32.46
Save $12.98
40% Off 
A.I.R Pipe
GM
15783305
California emissions. Seville. All. Right.
$67.92
MSRP $107.34
Save $39.42
36.7% Off 
Vapor Canister
GM
19259321
Cobalt. Canister & sensors, california. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$199.90
MSRP $365.13
Save $165.23
45.3% Off 
Exhaust Gas Recirculation (EGR) Valve Pipe Gasket
GM
25182770
EGR Pipe Gasket. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.49
MSRP $5.82
Save $2.33
40% Off 
Heated Oxygen Sensor
GM
12584925
ACDelco Heated Oxygen Sensor (Part Number: 12584925) is a heated oxygen sensor (HO2S) used in the exhaust to monitor oxygen content...
$93.94
MSRP $169.25
Save $75.31
44.5% Off 
Heated Oxygen Sensor
GM
12670254
ACDelco Heated Oxygen Sensor (Part Number: 12670254) is a downstream heated oxygen sensor (post-catalyst, bank 2) that monitors oxygen...
$42.61
MSRP $74.76
Save $32.15
43% Off 
Air Tube
GM
12662880
3.0L twin-turbo, wastegate system, turbo wastegate.
$84.30
MSRP $133.25
Save $48.95
36.7% Off 
Vapor Canister Purge Valve with Bracket
GM
88973527
Vibe. Without awd. Fwd. Controls vapor flow from canister to engine
$84.82
MSRP $152.82
Save $68.00
44.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12610077
ACDelco Positive Crankcase Ventilation (PCV) Tube (Part Number: 12610077) is a PCV tube that routes crankcase ventilation gases to the...
$20.08
MSRP $33.46
Save $13.38
40% Off 
Vapor Canister Upper Bracket
GM
19316230
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.92
MSRP $20.71
Save $5.79
28% Off 
Secondary Air Injection Pump with Bracket
GM
12634456
ACDelco Secondary Air Injection Pump with Bracket (Part Number: 12634456) is a pump assembly that supplies controlled secondary air to...
$194.78
MSRP $355.76
Save $160.98
45.2% Off 
Emission Filter
GM
85133242
ACDelco Emission Filter (Part Number: 85133242) is an ACDelco emission control solenoid/filter assembly used in the evaporative...
$65.89
MSRP $118.72
Save $52.83
44.5% Off 
Vapor Canister Vent Valve
GM
12630282
ACDelco Vapor Canister Vent Valve (Part Number: 12630282) is an EVAP system vent/venting valve that controls flow to and from the...
$42.91
MSRP $76.22
Save $33.31
43.7% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12619076
ACDelco Secondary Air Injection Shut-Off and Check Valve (Part Number: 12619076) is an EVAP/air injection control valve ("VALVE...
$249.21
MSRP $455.18
Save $205.97
45.3% Off 
Vacuum Hose
GM
12656524
3.6L twin-turbo, wastegate system, #1.
$57.59
MSRP $91.02
Save $33.43
36.7% Off 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket, Seals, and Bolts
GM
55594609
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$201.52
MSRP $368.08
Save $166.56
45.3% Off 
Secondary Air Injection Pump with Bracket
GM
12654558
A.i.r. Pump, 2.5L. ATS. 2.5l. Calif. Helps maintain controlled air flow to proper air injection components
$168.48
MSRP $307.72
Save $139.24
45.2% Off 
Heated Oxygen Sensor
GM
12666673
ACDelco Heated Oxygen Sensor (Part Number: 12666673) Type: SENSOR ASM-HTD OXY (heated oxygen sensor) Function: Measures oxygen...
$52.88
MSRP $92.78
Save $39.90
43% Off 
Heated Oxygen Sensor
GM
12607410
ACDelco Heated Oxygen Sensor (Part Number: 12607410) is an oxygen sensor (heated) that measures oxygen content in exhaust gases to...
$50.91
MSRP $89.32
Save $38.41
43% Off 
Manifold Absolute Pressure Sensor Seal
GM
16194007
ACDelco Manifold Absolute Pressure Sensor Seal (Part Number: 16194007) is a sensor seal designed to provide proper sealing for the...
$6.40
MSRP $10.66
Save $4.26
40% Off 
Heated Oxygen Sensor
GM
19178934
ACDelco Heated Oxygen Sensor (Part Number: 19178934) is a heated O2 sensor that detects oxygen content in exhaust gases to help...
$83.27
MSRP $150.04
Save $66.77
44.5% Off 
Vapor Canister Purge Tube
GM
12586630
ACDelco Vapor Canister Purge Tube (Part Number: 12586630) is an evaporative emissions purge tube that routes vapor from the EVAP...
$22.07
MSRP $36.78
Save $14.71
40% Off 
Evaporator Tube
GM
85618839
5.5L, rear, z06, convertible. 6.2L, rear, convertible.
$82.27
MSRP $148.24
Save $65.97
44.5% Off 
Vapor Canister Vent Solenoid
GM
84148816
Sierra, silverado. Regular cab. 6 ft. box. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps...
$56.70
MSRP $102.16
Save $45.46
44.5% 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
$331.83
MSRP $608.86
Save $277.03
45.5% Off 
Vapor Canister Vent Valve Solenoid Kit with Filter and Harness
GM
19352776
ACDelco Vapor Canister Vent Valve Solenoid Kit with Filter and Harness (Part Number: 19352776) controls fresh air flow to the vapor...
$173.31
MSRP $316.54
Save $143.23
45.2% Off 
Exhaust Gas Re-Circulation (Egr) Tube
GM
40009194
3.0L diesel, high pressure. Suburban. 3.0l diesel. Outlet. Tahoe. 3.0l diesel. Height pressure system. From cooler. Yukon. 3.0l diesel.
$67.69
MSRP $121.96
Save $54.27
44.5% Off 
EGR Cooler
GM
12641879
2017-20, egr valve & related components. Express, savana. 2.8l diesel. Canyon, Colorado. 2.8l diesel. 2.8L turbo diesel egr valve &...
$236.89
MSRP $432.68
Save $195.79
45.3% Off 
Vapor Canister
GM
23212909
1.8L. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine...
$109.54
MSRP $175.51
Save $65.97
37.6% Off 
Multi Purpose Nut
GM
11612078
GM Genuine Parts Multi Purpose Nut (Part Number: 11612078) — OE nut used in front pipe and exhaust applications. Function:...
$1.04
MSRP $1.44
Save $0.40
27.8% Off 
Pump
GM
12746785
Encore GX. 1.2l. XT4. 2024. Envision. Labeled 12735887. Traverse. 2.5l. 1.2L turbo. Acadia. 2.5l. 2.0L turbo. Trailblazer. 1.2l.
$56.72
MSRP $102.20
Save $45.48
44.5% Off 
Heated Oxygen Sensor
GM
12634063
ACDelco Heated Oxygen Sensor (Part Number: 12634063) is an OE heated post-catalyst oxygen sensor that detects oxygen content in...
$67.71
MSRP $122.00
Save $54.29
44.5% Off 
Exhaust System Front Gasket
GM
12671767
GM Genuine Parts Exhaust System Front Gasket (Part Number: 12671767) is an exhaust front gasket intended to seal exhaust connections...
$2.76
MSRP $3.83
Save $1.07
27.9% Off 
Vapor Canister Air Inlet Filter
GM
22886738
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$29.89
MSRP $43.71
Save $13.82
31.6% Off 
Evaporative Emission Pipe
GM
42674745
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$55.80
MSRP $97.90
Save $42.10
43% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
12633889
ACDelco Exhaust Gas Recirculation (EGR) Valve (Part Number: 12633889) is an emission control valve designed to recirculate exhaust...
$159.21
MSRP $290.80
Save $131.59
45.3% 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!