Emission Systems
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- Valves & Parts
Multi-Purpose Pipe
Part Number: 12541500
GM Notes: Type 1 has the main trans cooler located in the right tank of the radiator.
Other Names: Oil Cooler Tube
Replaces: 94047330
Description: 5.0 & 5.7L. 6.5L diesel, auxiliary. 7.4L, auxiliary. Standard, trans, type 1, rear, bulk tubing. Auxiliary, lower, type 1, bulk tubing....
Fits:
- Buick:
- Regal
- Chevrolet:
- C1500,
- C2500,
- C3500,
- K1500 Pickup,
MSRP $63.76
$41.77
Exhaust Gas Recirculation (EGR) Valve Cover Gasket
Part Number: 12554530
GM Other Names: Egr Valve Gasket
Description: Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
Fits:
- Buick:
- Skyhawk
- Cadillac:
- Cimarron
- Chevrolet:
- C/K Pickup,
- Camaro,
- Caprice,
MSRP $17.41
$11.14
Oxygen Sensor
Part Number: 12563848
GM Other Names: Oxygen Sensor, 806
Replaces: 24577046
Description: S-series. 2.2l. Cavalier, Sunfire. 2.2l. Ohv. Front, 2.2L. 2.2L, manifold. Detects oxygen content in the exhaust gases to help optimize...
Fits:
- Chevrolet:
- Cavalier,
- S10
- GMC:
- Sonoma
- Pontiac:
- Sunfire
MSRP $85.38
$49.05
Secondary Air Injection Pump Check Valve Gasket
Part Number: 12565989
GM Other Names: Check Valve Gasket
Description: 2.8L. Helps maintain controlled air flow to proper air injection components
Fits:
- Cadillac:
- SRX
MSRP $13.78
$8.82
Exhaust Gas Recirculation (EGR) Valve Gasket
Part Number: 12567275
GM Notes: Order By Description.
Other Names: Valve Gasket, 821
Description: (S)GASKET
Fits:
- Buick:
- LaCrosse,
- LeSabre,
- Lucerne,
- Park Avenue,
- Regal,
MSRP $19.27
$12.35
Air Injection Valve
Part Number: 12567733
GM Other Names: Check Valve, 829
Replaces: 12558992, 12563476
Description: Location-A.I.R. Pipes. S-series. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested...
Fits:
- Cadillac:
- Escalade
- Chevrolet:
- Blazer,
- C1500,
- Camaro,
- Express 1500,
MSRP $218.06
$123.20
Black Heated Oxygen Sensor
Part Number: 12568234
GM Other Names: Oxygen Sensor, 833
Replaces: 12569496
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
- Chevrolet:
- Cavalier,
- Classic,
- Cobalt
- Oldsmobile:
- Alero
- Pontiac:
- Grand Am,
MSRP $112.62
$63.63
Secondary Air Injection Pump
Part Number: 12568324
GM Other Names: Pump, 835
Replaces: 12563085
Description: Express, savana. 4.3l, 5.7l, 8.1l. 4.3, 4.8, 5.3 & 8.1L, 4.3, 4.8, 5.3 & 8.1L. S-series. 2.2l. S-series. 4.3l. All models. 8.1l. Pump...
Fits:
- Chevrolet:
- Blazer,
- Express 1500,
- Express 2500,
- Express 3500,
- S10,
MSRP $381.15
$215.34
Heated Oxygen Sensor
Part Number: 12569429
GM Other Names: Oxygen Sensor, 840
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
- Buick:
- Terraza
- Cadillac:
- CTS,
- DeVille,
- Seville
- Chevrolet:
- Caprice,
MSRP $111.12
$62.78
Secondary Air Injection Pump
Part Number: 12574379
GM Other Names: A.I.R Pump, 868
Description: 4.2L. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to...
Fits:
- Buick:
- Rainier
- Chevrolet:
- Trailblazer,
- Trailblazer EXT
- GMC:
- Envoy,
- Envoy XL,
MSRP $512.79
$289.72
Heated Oxygen Sensor
Part Number: 12576131
GM Other Names: Oxygen Sensor, 882
Description: LaCrosse. Grand Prix. Without supercharger. 3.8L, california. Rear. This part requires programming and/or special setup procedures GM...
Fits:
- Buick:
- LaCrosse
- Cadillac:
- Escalade
- Chevrolet:
- Avalanche 1500,
- Silverado 1500,
- Suburban 1500,
MSRP $104.78
$59.19
Heated Oxygen Sensor
Part Number: 12577588
GM Other Names: Oxygen Sensor, 890
Replaces: 24577273
Description: All models. 4.2l. Front. Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed,...
Fits:
- Chevrolet:
- Trailblazer,
- Trailblazer EXT
- GMC:
- Envoy,
- Envoy XL
- Oldsmobile:
- Bravada
MSRP $124.16
$70.14
Vapor Canister Purge Solenoid Valve Bracket
Part Number: 12577830
GM Other Names: Purge Valve Bracket
Replaces: 12575401
Description: 6.0L. 2011-15. 6.2L without supercharger. 6.0 & 6.2L. 2011-15, 7.0L. 2010, 6.2L. This GM Genuine Part is designed, engineered, and...
Fits:
- Chevrolet:
- Camaro,
- Caprice,
- SS
- Pontiac:
- G8,
- GTO
MSRP $15.16
$9.70
Vapor Canister Purge Valve Bracket
Part Number: 12579283
GM Other Names: Vapor Canister Purge Solenoid Bracket
Description: G5. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Malibu
- Pontiac:
- G5,
- Solstice
- Saturn:
- Aura
MSRP $23.36
$14.48
Heated Oxygen Sensor
Part Number: 12580466
GM Other Names: Oxygen Sensor, 908
Description: Impala, Monte Carlo. 5.3l. Grand Prix. Front. 5.3l. At manifold, 5.3L. LaCrosse. CTS. Engine control. 6.0l. This part requires...
Fits:
- Buick:
- LaCrosse
- Cadillac:
- CTS
- Chevrolet:
- Impala,
- Monte Carlo
- Pontiac:
- Grand Prix
MSRP $126.05
$71.21
Exhaust Gas Recirculation (EGR) Valve Pipe Gasket
Part Number: 12580673
GM Other Names: Egr Valve Gasket, 911
Replaces: 12558902
Description: (S)GASKET
Fits:
- Chevrolet:
- Avalanche 2500,
- Express 3500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
MSRP $29.28
$18.15
Passenger Side Positive Crankcase Ventilation (PCV) Fitting
Part Number: 12583384
GM Other Names: PCV Valve
Replaces: 12574094
Description: Equinox, Terrain. Right. Impala, Monte Carlo. Pcv tube. 3.6l. XTS. LaCrosse. 3.6l. SRX. 3.6l. This GM Genuine Part is designed,...
Fits:
- Buick:
- LaCrosse
- Cadillac:
- SRX,
- XTS
- Chevrolet:
- Camaro,
- Equinox,
MSRP $30.30
$18.79
Exhaust Gas Recirculation (EGR) Valve Pipe
Part Number: 12586606
GM Other Names: Egr Pipe
Replaces: 12578506
Description: 3.5L, wagon. Malibu, Malibu Maxx. 3.5l. 3.5L, sedan. G6. 3.5l. 2nd design. This GM Genuine Part is designed, engineered, and tested to...
Fits:
- Chevrolet:
- Malibu
- Pontiac:
- G6
MSRP $64.03
$36.78
Vapor Canister Purge Tube
Part Number: 12586630
GM Other Names: Evaporative Emissions System Lines
Replaces: 12576342
Description: Vent hose. 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Pontiac:
- G6
- Saturn:
- Aura,
- Vue
MSRP $35.88
$22.25
Heated Oxygen Sensor
Part Number: 12589380
GM Other Names: Oxygen Sensor, 960
Description: Sky. 2.0l. Canister & sensors, 2.0l. Cobalt. Front (position 1). 2.0l. Solstice. This part requires programming and/or special setup...
Fits:
- Chevrolet:
- Cobalt,
- HHR
- Pontiac:
- Solstice
- Saturn:
- Sky
MSRP $250.22
$141.37
Valve
Part Number: 12735400
GM Notes: Included with valve assembly.
Replaces: 12592015, 12608378
Fits:
- Buick:
- LaCrosse,
- Lucerne,
- Regal,
- Rendezvous,
- Terraza,
MSRP $59.80
$34.36
Heated Oxygen Sensor
Part Number: 12592591
GM Other Names: Oxygen Sensor, 987
Description: All models. 4.2l. Front. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
Fits:
- Buick:
- Rainier
- Chevrolet:
- Trailblazer,
- Trailblazer EXT
- GMC:
- Envoy,
- Envoy XL
MSRP $79.91
$45.91
Heated Oxygen Sensor
Part Number: 12596688
GM Other Names: Oxygen Sensor, 1009
Description: Equinox, Torrent. 3.6l. At converter. This part requires programming and/or special setup procedures GM Service Information describes...
Fits:
- Chevrolet:
- Equinox
- Pontiac:
- Torrent
MSRP $188.62
$106.57
Heated Oxygen Sensor
Part Number: 12597990
GM Other Names: Oxygen Sensor, 1030
Description: DTS. Lucerne. Front. 4.6l. This part requires programming and/or special setup procedures GM Service Information describes the...
Fits:
- Buick:
- Lucerne
- Cadillac:
- DTS
MSRP $107.22
$60.58
Secondary Air Injection Pump with Bracket
Part Number: 12600828
GM Other Names: Pump, 1051
Replaces: 12575899
Description: Air injection system, 2006-08. Cobalt. 2.2l. G5. 2.2l. Air injection system, 2007-08. Helps maintain controlled air flow to proper air...
Fits:
- Chevrolet:
- Cobalt
- Pontiac:
- G5
- Saturn:
- Ion
MSRP $347.01
$196.08
Heated Oxygen Sensor
Part Number: 12609949
GM Other Names: Oxygen Sensor, 1093
Description: Canyon, Colorado. Rear. Hummer H3. 5.3l. This part requires programming and/or special setup procedures GM Service Information describes...
Fits:
- Chevrolet:
- Colorado
- GMC:
- Canyon
- Hummer:
- H3,
- H3T
MSRP $180.78
$102.14
Vapor Canister Purge Tube
Part Number: 12611130
GM Other Names: Tube
Description: Equinox, Terrain. 2.4l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Buick:
- Verano
- Chevrolet:
- Captiva Sport,
- Equinox
- GMC:
- Terrain
MSRP $26.38
$16.36
Heated Oxygen Sensor
Part Number: 12615124
GM Other Names: Oxygen Sensor, 1109
Description: LaCrosse. Impala, Monte Carlo. 5.3l. Rear. Grand Prix. This part requires programming and/or special setup procedures GM Service...
Fits:
- Buick:
- LaCrosse
- Chevrolet:
- Impala
- Pontiac:
- Grand Prix
MSRP $195.82
$110.64
Heated Oxygen Sensor
Part Number: 12616201
GM Other Names: Oxygen Sensor, 1120
Description: (S)SENSOR
Fits:
- Cadillac:
- CTS
- Chevrolet:
- Camaro
MSRP $192.34
$108.67
Heated Oxygen Sensor
Part Number: 12616202
GM Other Names: Oxygen Sensor, 1121
Description: CTS. Rear. Left. Camaro. 3.6l. 3.0, 3.6L. STS, STS-v. 3.6l. 3.6. Sedan, 3.0L. 2010, 3.6L, auto trans. 2011-15, 3.6L, auto trans. This...
Fits:
- Cadillac:
- CTS,
- STS
- Chevrolet:
- Camaro
MSRP $250.02
$141.26
Heated Oxygen Sensor
Part Number: 12618011
GM Other Names: Oxygen Sensor, 1131
Description: Rear (position 2). 2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
Fits:
- Buick:
- LaCrosse,
- Regal
- Saturn:
- Sky
MSRP $145.60
$82.28
Secondary Air Injection Shut-Off and Check Valve
Part Number: 12619111
GM Other Names: Check Valve, 1138
Replaces: 12576045
Description: DTS. 4.6L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
Fits:
- Buick:
- Lucerne
- Cadillac:
- DTS
MSRP $498.58
$281.70
Air Injection Valve
Part Number: 12619128
GM Other Names: Check Valve, 1141
Replaces: 12575655
Description: 4.2L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Fits:
- Buick:
- Rainier
- Chevrolet:
- Trailblazer,
- Trailblazer EXT
- GMC:
- Envoy,
- Envoy XL,
MSRP $212.07
$119.81
Positive Crankcase Ventilation (PCV) Hose
Part Number: 12619363
GM Other Names: PCV Hose
Description: 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Captiva Sport,
- Equinox
- GMC:
- Terrain
Backordered
Exhaust Temperature Sensor
Part Number: 12623114
GM Other Names: Exhaust Gas Temperature (Egt) Sensor, 1162
Replaces: 12598443
Description: Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
Fits:
- Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
- Silverado 2500 HD,
- Silverado 3500 HD
MSRP $146.22
$82.63
Vapor Canister Purge Tube
Part Number: 12631953
GM Other Names: Tube
Description: 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Impala,
- Malibu Limited
MSRP $22.16
$13.74
Vapor Canister Purge Valve
Part Number: 12632174
GM Other Names: Purge Control Valve
Description: Controls vapor flow from canister to engine
Fits:
- Buick:
- Encore,
- Envision,
- LaCrosse,
- Regal,
- Regal Sportback,
MSRP $64.04
$36.79
Exhaust Gas Recirculation (EGR) Valve Cooling Feed Hose
Part Number: 12632214
GM Other Names: Engine Coolant Hose
Description: Front EGR Cooler. Inlet. Hose with One Bend. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $24.56
$15.23
Exhaust Gas Recirculation (EGR) Valve Pipe
Part Number: 12632253
GM Other Names: Egr Pipe
Description: 6.6L diesel, egr valve & related components, 2015-16. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $272.10
$153.74
Passenger Side Secondary Air Injection Shut-Off and Check Valve
Part Number: 12633750
GM Other Names: Secondary Air Injection Pump Check Valve
Replaces: 12635621
Description: Impala. 3.6l. Right. 3.6L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
Fits:
- Buick:
- LaCrosse
- Chevrolet:
- Impala
MSRP $335.52
$189.57
Heated Oxygen Sensor
Part Number: 12634085
GM Other Names: Oxygen Sensor
Description: Enclave, Traverse. Rear. Acadia, Acadia Limited. This part requires programming and/or special setup procedures GM Service Information...
Fits:
- Buick:
- Enclave
- Chevrolet:
- Traverse
- GMC:
- Acadia,
- Acadia Limited
MSRP $320.30
$180.97
Positive Crankcase Ventilation (PCV) Tube
Part Number: 12634292
GM Other Names: PCV Tube
Replaces: 12609022
Description: 3.0L, foul air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Buick:
- LaCrosse
- Chevrolet:
- Captiva Sport
MSRP $18.84
$12.06
Secondary Air Injection Shut-Off and Check Valve
Part Number: 12636250
GM Other Names: Check Valve
Description: A.i.r. Pump, 3.6L. ATS. 3.6l. Right. Helps prevent exhaust from entering air pump
Fits:
- Cadillac:
- ATS
MSRP $321.58
$181.69
Positive Crankcase Ventilation (PCV) Tube
Part Number: 12636477
GM Other Names: PCV Hose
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
- Chevrolet:
- Volt
MSRP $48.00
$31.44
Vapor Canister Purge Valve
Part Number: 12638819
GM Other Names: Valve Assembly
Replaces: 12617376
Description: Verano. LaCrosse. 2.4l. Impala. 2.4l. Controls vapor flow from canister to engine
Fits:
- Buick:
- LaCrosse,
- Regal,
- Verano
- Chevrolet:
- Captiva Sport,
- Equinox,
MSRP $55.72
$32.01
Heated Oxygen Sensor
Part Number: 12643707
GM Other Names: Oxygen Sensor
Replaces: 12627139
Description: Canyon, Colorado. 2.5l. Upper. Upstream. Malibu. 2.0l, 2.5l. 2.0L turbo. Regal. 2.0l. 2.4L. This part requires programming and/or...
Fits:
- Buick:
- Envision,
- LaCrosse,
- Regal
- Chevrolet:
- Blazer,
- Colorado,
MSRP $67.06
$44.51
Secondary Air Injection Pump
Part Number: 12643965
GM Other Names: A.I.R Pump
Description: Impala. 3.6l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
Fits:
- Buick:
- LaCrosse
- Chevrolet:
- Impala
MSRP $314.60
$177.75
Exhaust Gas Recirculation (EGR) Valve Cooler
Part Number: 12645820
GM Other Names: Cooler
Description: Silverado, sierra. 6.6l. 6.6L diesel, egr valve & related components, 2015-16, rear. This GM Genuine Part is designed, engineered, and...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $720.94
$407.33
Exhaust Gas Recirculation (EGR) Valve Cooler Water Bypass Inlet Hose
Part Number: 12646516
GM Other Names: Engine Coolant Hose
Description: Rear EGR Cooler. Inlet. 2nd Design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
Fits:
- Chevrolet:
- Silverado 2500 HD,
- Silverado 3500 HD
- GMC:
- Sierra 2500 HD,
- Sierra 3500 HD
MSRP $23.44
$14.53
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