Emission Systems
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...
$69.78
MSRP $116.30
Save $46.52
40% Off 
Oxygen Sensor
GM
12702904
Upstream. Right. With supercharger. Escalade. 6.2l.
$45.53
MSRP $75.88
Save $30.35
40% 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
$3.23
MSRP $4.92
Save $1.69
34.3% 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...
$0.25
MSRP $0.37
Save $0.12
32.4% Off 
Push-Pin
GM
11589289
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.24
MSRP $8.01
Save $2.77
34.6% 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...
$51.00
MSRP $85.00
Save $34.00
40% 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,...
$115.41
MSRP $200.72
Save $85.31
42.5% 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
$7.02
MSRP $10.69
Save $3.67
34.3% 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...
$46.92
MSRP $78.20
Save $31.28
40% 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...
$163.77
MSRP $284.80
Save $121.03
42.5% Off 
Exhaust Gas Recirculation (EGR) Cooler
GM
12720269
Silverado, sierra. 6.6l. All. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
$471.80
MSRP $820.52
Save $348.72
42.5% Off 
Heated Oxygen Sensor
GM
12666612
Express, savana. Gas. Front. This part requires programming and/or special setup procedures GM Service Information describes the...
$57.12
MSRP $95.19
Save $38.07
40% 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
$7.65
MSRP $11.66
Save $4.01
34.4% Off 
Exhaust Gas Re-Circulation (Egr) Valve Spacer Plate Gasket
GM
10191741
Location-Adapter To Exhaust Manifold.
$5.80
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
$189.53
MSRP $329.62
Save $140.09
42.5% 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
$27.76
MSRP $40.58
Save $12.82
31.6% 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
$32.10
MSRP $46.93
Save $14.83
31.6% Off 
Detection Pump
GM
12741163
Silverado, sierra. 2.7l. Colorado. Canyon. 1.3L turbo. Envision. Labeled 12741163.
$58.13
MSRP $96.88
Save $38.75
40% 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...
$36.54
MSRP $60.90
Save $24.36
40% 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....
$50.69
MSRP $84.48
Save $33.79
40% 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
$5.32
MSRP $9.26
Save $3.94
42.5% 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...
$78.71
MSRP $131.19
Save $52.48
40% 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...
$25.54
MSRP $42.56
Save $17.02
40% 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
$5.32
MSRP $8.13
Save $2.81
34.6% 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
$3.02
MSRP $5.26
Save $2.24
42.6% 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...
$333.89
MSRP $580.68
Save $246.79
42.5% 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...
$19.08
MSRP $33.18
Save $14.10
42.5% 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...
$115.41
MSRP $200.72
Save $85.31
42.5% 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...
$17.28
MSRP $25.06
Save $7.78
31% 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
$21.65
MSRP $37.66
Save $16.01
42.5% 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...
$75.17
MSRP $125.28
Save $50.11
40% 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...
$81.53
MSRP $135.88
Save $54.35
40% 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...
$77.81
MSRP $129.68
Save $51.87
40% 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...
$11.10
MSRP $19.27
Save $8.17
42.4% 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...
$98.06
MSRP $143.37
Save $45.31
31.6% Off 
Multi-Purpose Nut
GM
11516076
Engine compartment. 1.8L. Coupe, with awd. 3.6L. 3.0L. Sedan, with awd. 2.4L air injection system. 3.5L. Air injection system, 2009. To...
$5.32
MSRP $8.13
Save $2.81
34.6% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12639419
3.0L, fresh air. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.49
MSRP $16.50
Save $7.01
42.5% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12594578
2008 This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.21
MSRP $11.00
Save $3.79
34.5% Off 
Heated Oxygen Sensor
GM
12683553
Lower. ATS. 2.0l. CTS. 2.0l. Canister & sensors, 2.0L turbo. CT6. 2.0l. Bank 1 sensor 2. Camaro. 2.0l. ATS. 2.5l. Sedan, canister &...
$67.88
MSRP $113.14
Save $45.26
40% Off 
Passenger Side Secondary Air Injection Shut-Off and Check Valve
GM
12633750
Impala. 3.6l. Right. 3.6L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$197.74
MSRP $343.90
Save $146.16
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