Emission Systems
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- Valves & Parts
Multi-Purpose Gasket
Part Number: 12638675
GM Notes: Included with connector pipe.
Other Names: Engine Air Intake Hose Gasket
Description: ACDelco Multi-Purpose Gasket (Part Number: 12638675 ) is a gasket for turbo inlet/adaptor interfaces used in turbocharged engine...
Fits:
- Cadillac:
- CTS,
- XTS
- Chevrolet:
- Cruze
MSRP $8.38
$6.28
Positive Crankcase Ventilation (PCV) Hose Fitting Seal
Part Number: 12644073
GM Notes: Included with fitting. Included with PCV tube. Included with turbocharger.
Other Names: PCV Tube Seal
Description: ACDelco Positive Crankcase Ventilation (PCV) Hose Fitting Seal (Part Number: 12644073 ) is an OE sealing O-ring for PCV hose...
Fits:
- Buick:
- Envision,
- Regal Sportback,
- Regal TourX
- Cadillac:
- ATS,
- CT6,
MSRP $9.92
$7.43
Secondary Air Injection Pipe
Part Number: 12647837
GM Other Names: A.I.R Pipe
Replaces: 12637682
Description: ACDelco Secondary Air Injection Pipe (Part Number: 12647837 ) is a replacement pipe for the secondary air injection (AIR) system...
Fits:
- Buick:
- LaCrosse
MSRP $94.04
$54.96
Secondary Air Injection Pump Check Valve Gasket
Part Number: 12642943
GM Other Names: Gasket
Description: ACDelco Secondary Air Injection Pump Check Valve Gasket (Part Number: 12642943 ) is an OE gasket for the secondary air injection...
Fits:
- Buick:
- LaCrosse
- Chevrolet:
- Equinox,
- Impala,
- Malibu
- GMC:
- Terrain
$7.07
EGR Valve Gasket
Part Number: 12647008
GM Other Names: Egr Valve Gasket
Description: For EGR Valve. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system...
Fits:
- Chevrolet:
- Cruze
MSRP $40.10
$23.43
Positive Crank Ventilation (PCV) Valve Orifice
Part Number: 12650731
GM Other Names: PCV Valve
Description: ACDelco Positive Crank Ventilation (PCV) Valve Orifice (Part Number: 12650731 , SKU: 12650731 ) is an OEM orifice for the PCV...
Fits:
- Buick:
- LaCrosse
- Cadillac:
- ATS
- Chevrolet:
- Malibu
- GMC:
- Acadia
MSRP $19.98
$13.98
Heated Oxygen Sensor
Part Number: 12640115
GM Other Names: Oxygen Sensor, 1202
Replaces: 12629659
Description: ACDelco Heated Oxygen Sensor (Part Number: 12640115 ) is a downstream (post-catalyst) heated oxygen sensor that monitors oxygen...
Fits:
- Buick:
- Regal,
- Verano
- Chevrolet:
- LCF 3500
MSRP $190.68
$104.39
Heated Oxygen Sensor
Part Number: 12618010
GM Other Names: Oxygen Sensor, 1130
Description: ACDelco Heated Oxygen Sensor (Part Number: 12618010 ) is an OE emission-control sensor that detects oxygen content in exhaust gases...
Fits:
- Chevrolet:
- Equinox
- GMC:
- Terrain
- Saturn:
- Vue
MSRP $110.63
$60.55
Secondary Air Injection Pump with Bracket
Part Number: 12620313
GM Other Names: Pump, 1147
Description: ACDelco Secondary Air Injection Pump with Bracket (Part Number: 12620313 ) is an ACDelco emission control component designed to...
Fits:
- Chevrolet:
- Cobalt,
- Malibu
- Pontiac:
- G5,
- G6
- Saturn:
- Aura
MSRP $356.54
$194.66
Positive Crankcase Ventilation (PCV) Tube
Part Number: 12627132
GM Other Names: PCV Tube
Description: GM Genuine Parts Positive Crankcase Ventilation (PCV) Tube (Part Number: 12627132 ) is an OEM PCV tube that directs crankcase...
Fits:
- Chevrolet:
- Blazer,
- Impala,
- Malibu
- GMC:
- Acadia
$61.54
Driver Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12601254
GM Other Names: PCV Tube
Description: ACDelco Driver Side Positive Crankcase Ventilation (PCV) Tube (Part Number: 12601254 ) routes crankcase ventilation gases to the...
Fits:
- Saturn:
- Vue
MSRP $42.00
$27.98
Heated Oxygen Sensor
Part Number: 12601266
GM Other Names: Oxygen Sensor, 1054
Description: 3.6. CTS. Rear. Left. STS, STS-v. 3.6l. 3.6L, auto trans. This part requires programming and/or special setup procedures GM Service...
Fits:
- Cadillac:
- CTS,
- STS
MSRP $73.74
$43.09
Heated Oxygen Sensor
Part Number: 12597449
GM Other Names: Oxygen Sensor, 1018
Description: ACDelco Heated Oxygen Sensor (Part Number: 12597449 ) monitors exhaust oxygen content to support engine control and emissions...
Fits:
- Cadillac:
- CTS,
- SRX,
- STS
MSRP $173.44
$94.95
Heated Oxygen Sensor
Part Number: 12587785
GM Other Names: Oxygen Sensor, 951
Description: ACDelco Heated Oxygen Sensor (Part Number: 12587785 ) is an oxygen sensor with integrated heater used to detect oxygen content in...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Avalanche 1500,
- Silverado 1500,
- Suburban 1500,
MSRP $102.74
$56.24
Pump
Part Number: 19434681
GM Other Names: F (S)Pump
Replaces: 12588210
Description: Lucerne. 3.8l.
Fits:
- Buick:
- Lucerne
MSRP $267.43
$145.74
Exhaust Gas Recirculation Cooler Temperature Sensor
Part Number: 12677346
GM Notes: Order by description.
Other Names: Egr Temp Sensor
Replaces: 12644765
Description: ACDelco Exhaust Gas Recirculation Cooler Temperature Sensor (Part Number: 12677346 ) is an EGR cooler temperature sensor designed...
Fits:
- Chevrolet:
- Silverado 1500,
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 1500,
- Sierra 2500 HD,
MSRP $54.88
$32.07
Heated Oxygen Sensor
Part Number: 12667438
GM Other Names: Oxygen Sensor
Description: ACDelco Heated Oxygen Sensor (Part Number: 12667438 ) is an upstream (pre-catalyst) heated oxygen sensor that detects oxygen...
Fits:
- Buick:
- Enclave
- Cadillac:
- XT5,
- XT6
- Chevrolet:
- Blazer,
- Colorado,
MSRP $84.51
$49.39
Heated Oxygen Sensor
Part Number: 12668435
GM Other Names: Oxygen Sensor
Description: ACDelco Heated Oxygen Sensor (Part Number: 12668435 ) is a pre-catalyst heated oxygen sensor (bank 1) that measures oxygen content...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LTD,
- Suburban,
MSRP $74.16
$58.23
Positive Crankcase Ventilation (PCV) Tube
Part Number: 12670652
GM Other Names: PCV Tube
Description: ACDelco Positive Crankcase Ventilation (PCV) Tube (Part Number: 12670652 ) is an emission-control tube that routes crankcase gases...
Fits:
- Buick:
- LaCrosse,
- Regal Sportback
MSRP $39.60
$26.37
Driver Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12670791
GM Other Names: Breather Tube
Replaces: 12619985
Description: ACDelco Driver Side Positive Crankcase Ventilation (PCV) Tube (Part Number: 12670791 ) is a factory-design PCV tube used to route...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LD,
- Suburban,
MSRP $38.74
$25.17
Positive Crankcase Ventilation Tube
Part Number: 12670792
GM Other Names: PCV Tube
Replaces: 12629973
Description: ACDelco Positive Crankcase Ventilation Tube (Part Number: 12670792 ) is an ACDelco PCV (Positive Crankcase Ventilation (PCV)) tube...
Fits:
- Chevrolet:
- Silverado 1500
- GMC:
- Sierra 1500
MSRP $40.96
$23.93
Passenger Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12670793
GM Other Names: PCV Tube
Replaces: 12638607
Description: ACDelco Passenger Side Positive Crankcase Ventilation (PCV) Tube (Part Number: 12670793 ) is a PCV system tube that routes...
Fits:
- Cadillac:
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LD,
- Suburban
- GMC:
- Sierra 1500,
MSRP $38.74
$25.17
Passenger Side Positive Crankcase Ventilation Tube
Part Number: 12670907
GM Other Names: PCV Tube
Replaces: 12629758
Description: ACDelco Passenger Side Positive Crankcase Ventilation Tube (Part Number: 12670907 ) is a PCV tube that routes crankcase ventilation...
Fits:
- Chevrolet:
- Corvette
MSRP $80.46
$47.02
Driver Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12670909
GM Other Names: PCV Tube
Replaces: 12658088
Description: ACDelco Driver Side Positive Crankcase Ventilation (PCV) Tube (Part Number: 12670909 ) is an ACDelco PCV tube that routes crankcase...
Fits:
- Chevrolet:
- Corvette
MSRP $72.96
$42.64
Positive Crankcase Ventilation Tube Gasket
Part Number: 12671847
GM Notes: Included with PCV tube.
Other Names: PCV Tube Gasket
Description: ACDelco Positive Crankcase Ventilation Tube Gasket (Part Number: 12671847 ) is an ACDelco gasket for PCV tube connections, used to...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $9.04
$6.77
Heated Oxygen Sensor
Part Number: 12666673
GM Other Names: Oxygen Sensor
Description: ACDelco Heated Oxygen Sensor (Part Number: 12666673 ) Type: SENSOR ASM-HTD OXY (heated oxygen sensor) Function: Measures...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LD,
- Suburban,
MSRP $90.52
$52.90
Tube Assembly-PCV
Part Number: 19434579
GM Replaces: 12667080, 12674524
Description: ACDelco Positive Crankcase Ventilation (PCV) Tube (Part Number: 19434579 ) is a ventilation tube that routes crankcase vapors to...
Fits:
- Chevrolet:
- Malibu
$94.28
Heated Oxygen Sensor
Part Number: 12675980
GM Other Names: Oxygen Sensor
Description: ACDelco Heated Oxygen Sensor (Part Number: 12675980 ) monitors oxygen content in exhaust gases (pre-catalyst, upstream) to help...
Fits:
- Buick:
- Envision
- Cadillac:
- ATS,
- CT4,
- CT6,
- CTS
MSRP $100.52
$55.02
Ignition Relay
Part Number: 13598349
GM Notes: Included with fuse and relay box. Included with fuse & relay box. Order by description.
Other Names: Relay
Replaces: 13500119
Description: ACDelco Ignition Relay (Part Number: 13598349 ) is an ignition relay used for switching ignition-related circuits such as vacuum...
Fits:
- Buick:
- LaCrosse,
- Regal
- Cadillac:
- ATS,
- XT5
- Chevrolet:
- Equinox,
MSRP $24.32
$15.80
Temp Sensor
Part Number: 12731716
GM Other Names: Egr Temp Sensor, Exhaust Temp Sensor, Module
Replaces: 12726361
Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Front. Silverado, Sierra 3500 HD. 6.6L diesel, at manifold. 6.6L diesel,...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $78.10
$52.05
Temp Sensor
Part Number: 12731768
GM Other Names: Module
Replaces: 12722257
Description: Exhaust. Silverado, Sierra 2500 HD. At muffler. At tail pipe. Silverado, Sierra 3500 HD.
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $118.50
$64.87
Positive Crankcase Ventilation Foul Air Tube
Part Number: 12703915
GM Other Names: Tube
Replaces: 12664809, 12701760
Description: ACDelco Positive Crankcase Ventilation Foul Air Tube (Part Number: 12703915 ) is a PCV foul air tube that routes crankcase...
Fits:
- Cadillac:
- ATS,
- CT6,
- CTS
- Chevrolet:
- Camaro
MSRP $77.72
$45.42
Heated Oxygen Sensor
Part Number: 12703967
GM Other Names: Oxygen Sensor
Replaces: 12695636
Description: Corvette. Upstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures and...
Fits:
- Chevrolet:
- Corvette
MSRP $119.88
$65.62
Oxygen Sensor
Part Number: 12705409
GM Other Names: Upper Oxygen Sensor, F (S)Sensor
Description: ACDelco F (S)Sensor (Part Number: 12705409 ) is an emission-related O2 sensor used for exhaust monitoring and engine control...
Fits:
- Cadillac:
- CT5
MSRP $93.52
$54.65
Oxygen Sensor
Part Number: 12705534
GM Other Names: Upper Oxygen Sensor, F (S)Sensor
Description: Upstream. Equinox, Terrain. 1.5l. 1.5, 2.0L, 1.5L. Colorado. 2.7l. Canyon. 2.7l. Awd. Fwd.
Fits:
- Chevrolet:
- Colorado,
- Equinox,
- Silverado 1500
- GMC:
- Canyon,
- Sierra 1500,
MSRP $98.78
$56.60
Vapor Canister Purge Tube
Part Number: 12705559
GM Other Names: Tube
Replaces: 12621545
Description: ACDelco Vapor Canister Purge Tube (Part Number: 12705559 ) is an EVAP purge tube designed to route fuel vapor from the evaporative...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LTD,
- Silverado 2500 HD,
MSRP $24.76
$13.71
Detection Pump
Part Number: 12741163
GM Other Names: Pump
Replaces: 12734328
Description: ACDelco Pump (Part Number: 12741163 ) is an evaporative emission canister purge pump used in EVAP systems. Function: Controls...
Fits:
- Buick:
- Envision
- Chevrolet:
- Colorado,
- Silverado 1500,
- Silverado 1500 LTD
- GMC:
- Canyon,
MSRP $96.88
$56.62
Pump
Part Number: 12741165
GM Replaces: 12735887
Description: ACDelco Pump (Part Number: 12741165 ) is an emission control purge pump assembly used in the evaporative emissions canister purge...
Fits:
- Buick:
- Encore GX,
- Envision,
- Envista
- Cadillac:
- XT4,
- XT5,
$102.20
Bracket
Part Number: 12712496
GM Notes: Included with purge valve.
Replaces: 12669657
Description: 2.7L.
Fits:
- Chevrolet:
- Colorado,
- Silverado 1500,
- Silverado 1500 LTD
- GMC:
- Canyon,
- Sierra 1500,
MSRP $22.74
$14.77
Detection Pump
Part Number: 12726033
GM Other Names: F (S)Pump
Description: Envision. Labeled 12726033.
Fits:
- Buick:
- Envision
MSRP $133.54
$73.10
Fuel Tank Vent Pipe
Part Number: 12777878
GM Other Names: Vapor Canister Purge Solenoid
Replaces: 12777877
Description: GM Genuine Parts Fuel Tank Vent Pipe (Part Number: 12777878 ) is a vent pipe associated with the vehicle fuel tank vapor canister...
Fits:
- Buick:
- Regal
- Chevrolet:
- Impala
MSRP $116.51
$76.53
PCV Tube
Part Number: 12705823
GM Other Names: F (S)Tube
Description: With supercharger.
Fits:
- Cadillac:
- CT5
MSRP $25.24
$18.70
Valve
Part Number: 12735400
GM Notes: Included with valve assembly.
Replaces: 12592015, 12608378
Fits:
- Buick:
- LaCrosse,
- Lucerne,
- Regal,
- Rendezvous,
- Terraza,
MSRP $59.80
$34.94
Purge Line
Part Number: 12736147
GM Other Names: Tube
Replaces: 12669617
Description: 2.7L.
Fits:
- Chevrolet:
- Silverado 1500,
- Silverado 1500 LTD
- GMC:
- Sierra 1500,
- Sierra 1500 Limited
MSRP $17.53
$13.96
Multi Purpose Relay
Part Number: 13500114
GM Notes: Included with engine harness. Included with fuse and relay box. Included with engine junction block. Included with fuse & relay box....
Applications: LUV. 2000-05. 1.4L LE2 ENGINE. W/PERFORMANCE SUSPENSION. W/SHORT-LONG ARM SUSPENSION, 1993-99.
Other Names: Relay
Replaces: 12088567, 12135034, 12135170, 12193606, 13502679, 15328866, 15393412, 19115080, 19115083, 19116057, 19116963, 89046660, 92199312
Description: GM Multi Purpose Relay (Part Number: 13500114 ) is an OEM accessory/time-delay cutoff relay used for switching vehicle electrical...
Fits:
- Buick:
- Century,
- Enclave,
- Encore,
- Envision,
- LaCrosse,
MSRP $20.88
$13.56
Air Inlet Tube Adapter
Part Number: 39151407
GM Notes: Included with air inlet tube.
Other Names: Adapter, F Adapter
Replaces: 13558433
Description: 2021-25. 1.3l turbo. 2.0L turbo.
Fits:
- Buick:
- Envision
- Cadillac:
- XT5,
- XT6
- Chevrolet:
- Trailblazer
- GMC:
- Acadia
MSRP $38.31
$25.52
Vapor Canister Vent Solenoid
Part Number: 13576005
GM Other Names: Vent Control Solenoid
Description: ACDelco Vapor Canister Vent Solenoid (Part Number: 13576005 ) is an ACDelco evaporative-emission control solenoid that controls...
Fits:
- Buick:
- Enclave
- Chevrolet:
- Corvette,
- Impala,
- Traverse
- GMC:
- Acadia
MSRP $47.56
$27.79
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