Emission Systems
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- Valves & Parts
Heated Oxygen Sensor
Part Number: 12657188
GM Other Names: Oxygen Sensor
Replaces: 12665163
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
MSRP $61.32
$36.80
Positive Crankcase Ventilation (PCV) Oil Separator Drain Pipe
Part Number: 12657323
GM Notes: Includes PCV Valve.
Other Names: A.I.R Pipe
Replaces: 12628281, 12634217, 12637296, 12649569
Description: Silverado, sierra. 6.6l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $127.91
$79.84
Vapor Canister Purge Tube
Part Number: 12658354
GM Other Names: Tube
Replaces: 12577406, 12584920, 12592088, 12610667, 12617169
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $32.00
$20.80
Passenger Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12668054
GM Other Names: F (S)Tube
Replaces: 12662046
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Cadillac:
- CT4
MSRP $48.28
$28.22
Air Tube
Part Number: 12662885
GM Notes: Included with hose and tube assembly.
Other Names: F Tube
Description: 3.0L twin-turbo, wastegate system, bypass valve, front.
Fits:
- Cadillac:
- CT6
MSRP $77.89
$51.90
Positive Crankcase Ventilation Tube
Part Number: 12667981
GM Other Names: PCV Tube
Description: 4.2L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Cadillac:
- CT6
MSRP $37.16
$24.76
Vapor Canister Purge Tube
Part Number: 12668198
GM Other Names: Purge Solenoid
Description: CT6. 3.0l. Canister & sensors, 3.0l twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Fits:
- Cadillac:
- CT6
MSRP $64.72
$43.14
Positive Crankcase Ventilation (PCV) Fresh Air Tube
Part Number: 12670653
GM Other Names: PCV Tube
Description: 2017-21 3.6L. fresh air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Colorado
- GMC:
- Canyon
MSRP $40.46
$23.65
Rear Nox Sensor
Part Number: 12671388
GM Other Names: Rear Nox Sensor
Replaces: 12622451, 19256344
Description: Nitrogen oxide. Sierra, silverado. Rear. 6.6L diesel, egr valve & related components. 2010-16, egr valve & related components. Nox...
Fits:
- Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
- Silverado 2500 HD,
- Silverado 3500 HD
MSRP $543.55
$295.15
Positive Crankcase Ventilation (PCV) Tube
Part Number: 12673868
GM Other Names: PCV Tube
Replaces: 12633740, 12654851, 12662657
Description: 2.0L. 2016-18. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Buick:
- Envision,
- Regal
- Cadillac:
- ATS,
- CT6
- Chevrolet:
- Camaro,
MSRP $293.34
$159.87
Vapor Canister Purge Tube
Part Number: 12674487
GM Other Names: Outlet Tube
Description: 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Buick:
- Envision,
- Regal Sportback,
- Regal TourX
- Chevrolet:
- Equinox,
- Malibu
MSRP $23.50
$17.41
Passenger Side Positive Crankcase Ventilation (PCV) Tube
Part Number: 12679798
GM Other Names: PCV Valve Hose
Replaces: 12615963, 12670158
Description: 3.6L twin-turbo, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Cadillac:
- XTS
MSRP $60.54
$40.34
Positive Crankcase Ventilation Tube
Part Number: 12680863
GM Other Names: PCV Tube
Replaces: 12644901
Description: 3.6L. Enclave. To air cleaner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
Fits:
- Buick:
- Enclave
- Cadillac:
- SRX
- Chevrolet:
- Traverse,
- Traverse Limited
MSRP $36.44
$23.69
Fitting
Part Number: 12687045
GM Notes: Included with turbocharger.
Replaces: 12649896
Description: 1.5L turbo.
Fits:
- Chevrolet:
- Equinox,
- Malibu
- GMC:
- Terrain
MSRP $96.52
$56.42
Egr Pipe
Part Number: 12688016
GM Other Names: Pipe
Replaces: 12674314, 12677470, 12680217
Description: Silverado, Sierra 2500 HD. To egr valve. Silverado, Sierra 3500 HD. 6.6L diesel, egr valve & related components, 2017-19. Sierra,...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $166.98
$91.42
Pipe
Part Number: 12737236
GM Replaces: 12672958, 12680300, 12683526, 12696173
Description: 6.6L diesel, egr valve & related components, 2017-19.
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $144.62
$79.18
Heated Oxygen Sensor
Part Number: 12696642
GM Other Names: Oxygen Sensor
Replaces: 12679687
Description: CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 2. This part requires programming and/or special setup procedures GM...
Fits:
- Cadillac:
- CT6
MSRP $84.46
$56.28
Oxygen Sensor
Part Number: 12696688
GM Other Names: Upper Oxygen Sensor, F (S)Sensor
Description: CT5. 6.2l. Upstream. Canister & sensors, 6.2L. Left. With supercharger. Escalade. 6.2l.
Fits:
- Cadillac:
- CT5,
- Escalade,
- Escalade ESV
MSRP $88.70
$51.85
PCV Valve Hose
Part Number: 12699309
GM Other Names: PCV Tube, F (S)Tube
Description: 6.2L supercharged.
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
MSRP $79.29
$52.84
Exhaust Gas Recirculation Pipe Shield
Part Number: 12708880
GM Other Names: F (S)Shield
Replaces: 12646472, 12677932, 12680305, 12687464, 12692964, 12721258
Description: Manufactured to GM OE specification for fit, form, and function
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $33.66
$21.88
By-Pass Valve
Part Number: 12713477
GM Other Names: Valve, F (S)Valve
Description: Egr cooler by-pass valve. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $373.68
$204.03
Oxygen Sensor
Part Number: 12721346
GM Other Names: Upper Oxygen Sensor, Sensor
Description: Silverado, sierra. 6.2l. Upstream. Right. Without supercharger. Escalade. 6.2l. Suburban. 6.2l. Tahoe. 6.2l. Yukon XL. 6.2l. 5.3, 6.2L....
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Suburban,
- Tahoe
MSRP $81.92
$47.88
Oxygen Sensor
Part Number: 12721347
GM Other Names: Upper Oxygen Sensor, Sensor
Fits:
- Cadillac:
- Escalade,
- Escalade ESV
- Chevrolet:
- Silverado 1500,
- Suburban,
- Tahoe
MSRP $96.56
$56.44
Pump
Part Number: 12741165
GM Replaces: 12735887
Description: XT4. Encore GX. 1.2l. Envision. Labeled 12735887. Traverse. 2.5l. 1.2L turbo. Acadia. 2.5l. Trailblazer. 1.2l. 2.0L turbo.
Fits:
- Buick:
- Encore GX,
- Envision,
- Envista
- Cadillac:
- XT4,
- XT5,
MSRP $102.20
$55.95
MSRP $72.20
$42.20
Temp Sensor
Part Number: 12737970
GM Other Names: Module
Replaces: 12728712, 12731767
Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Rear. Silverado, Sierra 3500 HD.
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $109.38
$59.89
PCV Tube
Part Number: 12739532
GM Other Names: Oil Hose, Hose
Description: 6.6L diesel, oil lines. 6.6L diesel, upper components.
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD
MSRP $109.04
$59.70
Hose
Part Number: 12740189
GM Replaces: 12718937, 55486661, 55510092
Description: 2.0L.
Fits:
- Cadillac:
- XT4,
- XT5
- Chevrolet:
- Blazer
MSRP $84.64
$56.39
Mass Airflow Sensor
Part Number: 13244778
GM Other Names: Connector Tube, 1303
Description: 2.0L turbo, 2011-2013. Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
Fits:
- Buick:
- Regal
MSRP $173.92
$95.22
Black Multi-Purpose Pigtail
Part Number: 13586114
GM Other Names: Air Temp Sensor Connector, pt2830
Replaces: 12102747, 89027277, 89027292
Description: Modulator, #3. 3.8L. 1993-97, #3. 3.4L. G5. Auto trans. Protective outer coverings help provide long-lasting durability
Color-coded...
Fits:
- Chevrolet:
- Camaro,
- Impala,
- Lumina,
- Monte Carlo,
- S10,
MSRP $47.49
$28.42
Pump
Part Number: 19434681
GM Other Names: F (S)Pump
Replaces: 12588210
Description: Lucerne. 3.8l.
Fits:
- Buick:
- Lucerne
MSRP $267.43
$145.75
F (S)Valve Kit
Part Number: 19540382
GM Replaces: 12588470, 19435043, 89018176
Description: Equinox, Torrent. 3.4l.
Fits:
- Chevrolet:
- Equinox
- Pontiac:
- Torrent
MSRP $401.72
$218.13
Exhaust Gas Re-Circulation (Egr) Valve Filter
Part Number: 01977796
GM Notes: Included with solenoid valve.
Other Names: Filter, Element
Description: Air pump, california only. 3.1l. 3.4L. California emissions.
Fits:
- Buick:
- Century,
- Rendezvous,
- Roadmaster
- Cadillac:
- Brougham
- Chevrolet:
- Beretta,
MSRP $8.26
$6.18
Solenoid
Part Number: 01997224
GM Other Names: Control Solenoid, Egr Solenoid, Valve
Description: 3.1L.
Fits:
- Chevrolet:
- Lumina APV
- Oldsmobile:
- Silhouette
- Pontiac:
- Trans Sport
MSRP $41.80
$24.43
Diesel Emissions Fluid Level Sensor
Part Number: 20760381
GM Notes: Included with tank.
Other Names: Control Unit
Description: Level & temp module. Silverado, sierra. Temp switch. 2010-16, emission reduction system. Express, savana. 6.6l diesel. 6.6L diesel,...
Fits:
- Chevrolet:
- Cruze,
- Express 2500,
- Express 3500,
- Silverado 2500 HD,
- Silverado 3500 HD
MSRP $393.66
$214.94
Vapor Canister Vent Hose
Part Number: 20853510
GM Notes: Included with filler pipe.
Other Names: Vent Hose
Replaces: 25802840
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Equinox
- GMC:
- Terrain
MSRP $111.36
$60.97
Secondary Air Injection Pump Inlet Hose
Part Number: 20936180
GM Other Names: Air Inlet Tube
Description: 3.6L, with pzev. 2014-15, with pzev. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
Fits:
- Cadillac:
- ATS,
- CTS
MSRP $137.44
$75.25
Diesel Emissions Fluid (DEF) Exhaust Front Pipe Injector Supply Pipe
Part Number: 20972739
GM Other Names: Feed Line
Replaces: 15951626
Description: 2010-16 with diesel emission reduction system. front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
Fits:
- Chevrolet:
- Express 2500,
- Express 3500
- GMC:
- Savana 2500,
- Savana 3500
MSRP $57.67
$40.45
Egr Valve
Part Number: 21008566
GM Other Names: Valve
Description: Sohc. Saturn.
Fits:
- Saturn:
- SC1,
- SL,
- SL1,
- SL2,
- SW1,
MSRP $152.26
$83.36
Vapor Canister Vent Solenoid
Part Number: 21994122
GM Other Names: Vent Control Solenoid, 9792
Replaces: 25675824
Description: Bonneville, LeSabre. Park Avenue. With supercharger 1998-2005. Seville. California emissions. 2000-03. Federal emissions. Aurora....
Fits:
- Buick:
- LeSabre,
- Park Avenue,
- Riviera
- Cadillac:
- DeVille,
- Seville
MSRP $65.03
$38.00
Heated Oxygen Sensor
Part Number: 24402860
GM Other Names: Oxygen Sensor, 10852
Description: 3.2L, rear. CTS. Catalyst monitoring. 3.2l. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part...
Fits:
- Cadillac:
- CTS
MSRP $144.42
$79.07
Valve Gasket
Part Number: 24508113
GM Other Names: Exhaust Gas Re-Circulation (Egr) Valve Gasket, Egr Valve Gasket, Gasket, 10885
Replaces: 24502986
Description: All models. 3.8l. With supercharger. Riviera.
Fits:
- Buick:
- LeSabre,
- Park Avenue,
- Regal,
- Riviera
- Chevrolet:
- Lumina APV
MSRP $10.80
$7.56
Oxygen Sensor
Part Number: 24576791
GM Other Names: Oxygen Sensor, 10898
Description: 2.2L, at manifold, without flexible fuel. S-series. 2.2l. Front. Extended Build Date. 2.2L, post converter. 2.2L, at manifold, all....
Fits:
- Chevrolet:
- Cavalier,
- S10
- GMC:
- S15,
- Sonoma
- Pontiac:
- Sunfire
MSRP $85.84
$50.17
Exhaust Gas Recirculation (EGR) Valve Pipe Gasket
Part Number: 25182770
GM Other Names: Egr Valve Gasket
Replaces: 96182631
Description: EGR Pipe Gasket. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Aveo
MSRP $5.82
$4.37
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