Emission Systems
Heated Oxygen Sensor
GM
12687257
CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 1. This part requires programming and/or special setup procedures GM...
$121.02
MSRP $214.20
Save $93.18
43.5% Off 
5-Way Female Gray Multi-Purpose Pigtail
GM
15306027
California emissions. 2000-03. Federal emissions. 2004-05. 3.1 & 3.4L, 1995-99, 3.4L. 3.8L. Protective outer coverings help provide...
$37.92
MSRP $65.94
Save $28.02
42.5% Off 
Heated Oxygen Sensor
GM
12567254
S-series. 4.3l. All. 4.3L, rear of converter. 4.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize...
$66.29
MSRP $116.30
Save $50.01
43% Off 
Oxygen Sensor
GM
12702904
Upstream. Right. With supercharger. Escalade. 6.2l.
$43.63
MSRP $75.88
Save $32.25
42.5% Off 
M10x1.5x30 Multi-Purpose Bolt
GM
11516328
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.37
MSRP $4.92
Save $1.55
31.5% Off 
Multi-Purpose Nut
GM
11546441
1.4L, center and rear section, hatchback, to pipe, type 2. 1.8L, center and rear. 2.0L turbo 2019. Helps align and secure various...
$0.26
MSRP $0.37
Save $0.11
29.7% Off 
Push-Pin
GM
11589289
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.47
MSRP $8.01
Save $2.54
31.7% Off 
Vapor Canister without Vent Valve Solenoid
GM
15136019
Enclave, Traverse. Outlook. Acadia Limited. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be...
$204.43
MSRP $365.06
Save $160.63
44% Off 
Heated Oxygen Sensor
GM
12611127
HHR. Cobalt. Canister & sensors, 2.2L. G5. Front (position 1). 2.4l. This part requires programming and/or special setup procedures GM...
$48.88
MSRP $85.00
Save $36.12
42.5% Off 
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor
GM
12636966
Silverado, sierra. 6.6l. Location b. Express, savana. 6.6l diesel. Locr b. Position 2. 6.6L diesel, egr valve & related components,...
$113.41
MSRP $200.72
Save $87.31
43.5% Off 
Multi Purpose Relay
GM
13500114
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.68
MSRP $21.40
Save $8.72
40.7% Off 
M6x1x30 Multi-Purpose Bolt
GM
11588714
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.32
MSRP $10.69
Save $3.37
31.5% Off 
Heated Oxygen Sensor
GM
12666671
Rear. Canister & sensors, 3.0l twin-turbo. CT6. 3.0l. Without vsport. Lower. Canister & sensors, 3.6L. Camaro. 3.6l. ATS. 3.6l. Without...
$44.97
MSRP $78.20
Save $33.23
42.5% Off 
Secondary Air Injection Pump with Bracket
GM
12597245
LaCrosse. 3.8l. Grand Prix. 3.8l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is...
$160.92
MSRP $284.80
Save $123.88
43.5% Off 
Exhaust Gas Recirculation (EGR) Cooler
GM
12720269
Silverado, sierra. 6.6l. All. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
$451.29
MSRP $820.52
Save $369.23
45% Off 
Heated Oxygen Sensor
GM
12666612
Express, savana. Gas. Front. This part requires programming and/or special setup procedures GM Service Information describes the...
$54.74
MSRP $95.19
Save $40.45
42.5% Off 
M6x1x25 Multi-Purpose Bolt
GM
11562426
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.98
MSRP $11.66
Save $3.68
31.6% Off 
Exhaust Gas Re-Circulation (Egr) Valve Spacer Plate Gasket
GM
10191741
Location-Adapter To Exhaust Manifold.
$3.70
MSRP $6.16
Save $2.46
39.9% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12636250
A.i.r. Pump, 3.6L. ATS. 3.6l. Right. Helps prevent exhaust from entering air pump
$184.59
MSRP $329.62
Save $145.03
44% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12670652
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$27.41
MSRP $40.58
Save $13.17
32.5% Off 
Positive Crankcase Ventilation (PCV) Oil Separator Drain Pipe
GM
12670602
2016-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$31.70
MSRP $46.93
Save $15.23
32.5% Off 
Detection Pump
GM
12741163
Silverado, sierra. 2.7l. Colorado. Canyon. 1.3L turbo. Envision. Labeled 12741163.
$55.71
MSRP $96.88
Save $41.17
42.5% Off 
Vacuum Tank
GM
15973049
7.0L. With supercharged. 4.4L. 2nd design. Allows HVAC controls to function during low engine vacuum conditions
This GM Genuine Part is...
$35.02
MSRP $60.90
Save $25.88
42.5% Off 
Exhaust Temperature Sensor
GM
12683486
6.6L diesel, egr valve & related components, 2017-19, upper, front. Exhaust temp sensor. 6.6l. Position 1. Silverado, Sierra 2500 HD....
$48.58
MSRP $84.48
Save $35.90
42.5% Off 
Positive Crankcase Ventilation Tube Gasket
GM
12671847
6.6L diesel, oil lines. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.56
MSRP $9.26
Save $3.70
40% Off 
Heated Oxygen Sensor
GM
12661898
Downstream. Envision. 2.5l. Bank 1 sen 2. Acadia. 2.5l. Lower. Regal TourX. Blazer. 2.5l. Rear. 2.0L. 2.4L. This part requires...
$74.77
MSRP $131.19
Save $56.42
43% Off 
Heated Oxygen Sensor
GM
12639692
Equinox, Terrain. 2.4l. Downstream. Captiva Sport. 2.4l. Rear. This part requires programming and/or special setup procedures GM Service...
$25.22
MSRP $42.56
Save $17.34
40.7% Off 
M6x1x20 Multi-Purpose Bolt
GM
11588712
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.56
MSRP $8.13
Save $2.57
31.6% Off 
Exhaust Gas Recirculation (EGR) Cooler Bypass Gasket
GM
12658509
6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.16
MSRP $5.26
Save $2.10
39.9% Off 
Secondary Air Injection Shut-Off and Check Valve
GM
12659290
3.9L. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$322.28
MSRP $580.68
Save $258.40
44.5% Off 
Vapor Canister Purge Solenoid Valve
GM
12666845
1.3L turbo. 1.2L turbo. XT4. CT4. Silverado, sierra. 2.7l. 2019. Location-Engine Bay. Acadia. 2.0l. Blazer. 2.0l. Controls vapor flow...
$19.66
MSRP $33.18
Save $13.52
40.7% Off 
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor
GM
12634536
Silverado, sierra. 6.6l. Location a. 2010-16, egr valve & related components. Express, savana. 6.6l diesel. Locr a. Position 1. 6.6L...
$113.41
MSRP $200.72
Save $87.31
43.5% Off 
Vapor Canister Purge Tube
GM
12664723
With supercharger, with zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$17.81
MSRP $25.06
Save $7.25
28.9% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12649933
3.6l. PCV hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.31
MSRP $37.66
Save $15.35
40.8% Off 
Heated Oxygen Sensor
GM
12583804
This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$71.41
MSRP $125.28
Save $53.87
43% Off 
Heated Oxygen Sensor
GM
12612430
SRX. 3.0l. Equinox, Terrain. 3.0l. Volt. Lower. LaCrosse. 3.6l. ELR. This part requires programming and/or special setup procedures GM...
$77.45
MSRP $135.88
Save $58.43
43% Off 
Heated Oxygen Sensor
GM
12562943
Canada Built. 5.3L, rear of converter. 5.3L, front of converter. Detects oxygen content in the exhaust gases to help optimize emissions...
$73.92
MSRP $129.68
Save $55.76
43% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12567275
Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$11.58
MSRP $19.27
Save $7.69
39.9% Off 
Secondary Air Injection Pump Hose
GM
15783309
Seville. All. Left. California emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$93.16
MSRP $143.37
Save $50.21
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