Emission Systems
Engine Coolant Pipe Gasket
GM
12737098
ACDelco Gasket (Part Number: 12737098) is a factory-grade gasket for Exhaust Gas Recirculation (EGR) coolant pipe connections....
$1.14
MSRP $1.90
Save $0.76
40% Off 
Oxygen Sensor
GM
12702181
GM Genuine Parts Oxygen Sensor (Part Number: 12702181) is a heated oxygen sensor (pre-catalyst, bank 2) used to monitor exhaust oxygen...
$49.69
MSRP $87.18
Save $37.49
43% Off 
Sensor
GM
12747536
Silverado, Sierra 2500 HD. Front. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, 2024-26.
$117.43
MSRP $214.48
Save $97.05
45.2% 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 
Vapor Canister
GM
26334031
Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$138.87
MSRP $253.64
Save $114.77
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve Cooler Gasket
GM
55490621
GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Cooler Gasket (Part Number: 55490621) seals the EGR valve cooler connection to...
$3.13
MSRP $4.57
Save $1.44
31.5% 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 
Diesel Emissions Fluid (DEF) Supply Pump Module
GM
22902634
ACDelco Diesel Emissions Fluid (DEF) Supply Pump Module (Part Number: 22902634) is an ACDelco module for the DEF supply/pump used in...
$499.92
MSRP $917.28
Save $417.36
45.5% Off 
Secondary Air Injection Pump with Bracket
GM
12634644
ACDelco Secondary Air Injection Pump with Bracket (Part Number: 12634644) is an air injection pump assembly used to supply controlled...
$217.75
MSRP $397.72
Save $179.97
45.3% Off 
Vapor Canister Vent Valve
GM
12559015
Location-Vapor Canister. Square. All models. 4.3l. Hummer H2. Controls fresh air flow to the canister
Sends fuel vapors to the engine...
$25.27
MSRP $44.34
Save $19.07
43% 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 
Diesel Emissions Fluid (DEF) Supply Pump Module Seal
GM
22961657
ACDelco Diesel Emissions Fluid (DEF) Supply Pump Module Seal (Part Number: 22961657) is a replacement O-ring/seal for DEF supply pump...
$16.06
MSRP $26.76
Save $10.70
40% Off 
Heated Oxygen Sensor
GM
12679885
ACDelco Heated Oxygen Sensor (Part Number: 12679885) is an upstream heated oxygen sensor (pre-catalyst) that measures exhaust oxygen...
$52.05
MSRP $91.32
Save $39.27
43% Off 
Heated Oxygen Sensor
GM
12634064
ACDelco Heated Oxygen Sensor (Part Number: 12634064) is a post-catalyst heated oxygen sensor assembly (SENSOR ASM-HTD OXY) that...
$89.32
MSRP $160.94
Save $71.62
44.5% Off 
Vapor Canister
GM
85158843
Blazer. 2.5l. Acadia. 2.5l. 3.6L. XT6.
$181.62
MSRP $347.50
Save $165.88
47.7% 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 
Vapor Canister Purge Tube
GM
12605523
ACDelco Vapor Canister Purge Tube (Part Number: 12605523) is an EVAP purge tube that routes vapor from the evap canister to the intake...
$17.42
MSRP $29.04
Save $11.62
40% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633396
ACDelco Positive Crankcase Ventilation (PCV) Tube (Part Number: 12633396) routes crankcase vapors as part of the PCV/evaporation...
$23.95
MSRP $39.92
Save $15.97
40% 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 
Emission Reduction Fluid Tank Reservoir Wire Harness
GM
84837085
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$90.69
MSRP $163.40
Save $72.71
44.5% Off 
Vapor Canister
GM
84847379
Corvette. With hybrid. Labeled 84847379.
$193.46
MSRP $353.36
Save $159.90
45.3% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12659515
3.0L twin-turbo, small. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$32.82
MSRP $50.52
Save $17.70
35% Off 
Fuel Tank Filler Vent Hose
GM
84492938
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$34.78
MSRP $50.84
Save $16.06
31.6% Off 
F (S)Canister
GM
85161071
ACDelco Vapor Canister (Part Number: 84834022) is an evaporative emissions canister that captures fuel vapors so they can be purged to...
$112.29
MSRP $205.10
Save $92.81
45.3% 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 
Secondary Air Injection Pump Air Cleaner Hose
GM
23109220
With pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.11
MSRP $46.33
Save $16.22
35% Off 
Position 2 Exhaust Temperature Sensor
GM
12643373
ACDelco Position 2 Exhaust Temperature Sensor (Part Number: 12643373) is an exhaust temperature sensor (position #2) used to monitor...
$134.95
MSRP $246.46
Save $111.51
45.2% Off 
Mount Bracket
GM
12673907
ACDelco Mount Bracket (Part Number: 12673907) is a bracket used to mount the EVAP canister purge pump or related emission control...
$14.76
MSRP $24.60
Save $9.84
40% Off 
Vapor Canister Purge Tube
GM
12630246
Without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$34.29
MSRP $60.16
Save $25.87
43% Off 
Exhaust Gas Temperature (Egt) Sensor
GM
98299542
Position 2.
$107.09
MSRP $192.96
Save $85.87
44.5% Off 
Vapor Canister Purge Pipe
GM
13408650
ACDelco Vapor Canister Purge Pipe (Part Number: 13408650) is an evaporative emissions purge pipe used to route canister purge flow in...
$245.81
MSRP $448.96
Save $203.15
45.2% Off 
Vapor Canister
GM
19209329
Canyon, Colorado. Hummer H3. With H3T. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned...
$252.31
MSRP $460.84
Save $208.53
45.2% Off 
Secondary Air Injection Pipe Flange Gasket
GM
12589488
2.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.34
MSRP $1.96
Save $0.62
31.6% Off 
Vapor Canister Purge Tube
GM
12577221
ACDelco Vapor Canister Purge Tube (Part Number: 12577221) is a purge tube for the EVAP system that routes vapors from the canister to...
$20.24
MSRP $33.74
Save $13.50
40% Off 
Vapor Canister
GM
22963841
ACDelco Vapor Canister (Part Number: 22963841) is an emission control canister engineered to capture fuel vapors for later purge and...
$209.15
MSRP $382.00
Save $172.85
45.2% Off 
Passenger Side Secondary Air Injection Shut-Off and Check Valve
GM
12652895
Right. XTS. Impala. 3.6l. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to...
$182.21
MSRP $332.80
Save $150.59
45.2% Off 
1-Way Female Gray Multi-Purpose Pigtail
GM
15306070
GM Genuine Parts 1-Way Female Gray Multi-Purpose Pigtail (Part Number: 15306070) is a one-way female electrical connector with leads...
$20.81
MSRP $34.69
Save $13.88
40% Off 
Exhaust Temperature Sensor
GM
12623113
ACDelco Exhaust Temperature Sensor (Part Number: 12623113) is an exhaust temperature sensing assembly designed to detect and report...
$183.06
MSRP $334.34
Save $151.28
45.2% Off 
Heated Oxygen Sensor
GM
12612571
ACDelco Heated Oxygen Sensor (Part Number: 12612571) is a heated (HTD) oxygen sensor engineered to monitor exhaust oxygen content and...
$97.62
MSRP $175.90
Save $78.28
44.5% 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 
Exhaust Gas Recirculation (EGR) Valve Kit with Gasket
GM
19210684
ACDelco Exhaust Gas Recirculation (EGR) Valve Kit with Gasket (Part Number: 19210684) is an EGR valve kit including gasket(s) that...
$93.27
MSRP $168.05
Save $74.78
44.5% Off 
Vapor Canister without Vent Valve Solenoid
GM
15250111
Sky. Solstice. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
$178.22
MSRP $325.50
Save $147.28
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
GM
24506939
ACDelco Exhaust Gas Recirculation (EGR) Valve Cover Gasket (Part Number: 24506939) is an OEM gasket that seals the EGR valve cover to...
$12.12
MSRP $20.22
Save $8.10
40.1% Off 
Harness
GM
84836850
GM Genuine Parts Diesel Exhaust Fluid (Def) System Main Wiring Harness (Part Number: 84836850) is a main wiring harness for the...
$118.80
MSRP $216.98
Save $98.18
45.2% Off 
Vapor Canister Vent Solenoid
GM
84148818
ACDelco Vapor Canister Vent Solenoid (Part Number: 84148818) is an ACDelco evaporative emission control solenoid that manages...
$73.00
MSRP $131.54
Save $58.54
44.5% Off 
Nitrogen Oxides Sensor
GM
24001907
ACDelco Nitrogen Oxides Sensor (Part Number: 24001907) is an ACDelco NOx sensing device engineered to detect nitrogen oxide levels in...
$388.12
MSRP $712.14
Save $324.02
45.5% Off 
Vapor Canister Purge Tube
GM
12629696
ACDelco Vapor Canister Purge Tube (Part Number: 12629696) is an evaporative emissions purge tube used to route vapor from the...
$13.73
MSRP $22.88
Save $9.15
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