Emission Systems
Leak Detection Pump Filter
Mopar
5085164AA
Filter Only. Up to 10/30/03. Filter and Hose.
$7.50
MSRP $10.40
Save $2.90
27.9% Off 
Nitrogen Oxide Sensor Kit with Sensor and Clips
GM
12671387
Nitrogen oxide. Sierra, silverado. Front. 6.6L diesel, egr valve & related components. 2010-16, egr valve & related components. Nox...
$258.76
MSRP $472.62
Save $213.86
45.2% Off 
Vapor Canister Purge Tube
GM
12649448
2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$15.25
MSRP $25.42
Save $10.17
40% Off 
Driver Side Positive Crankcase Ventilation Tube
GM
12670908
Without supercharger, without dry sump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$42.52
MSRP $74.60
Save $32.08
43% Off 
Driver Side Positive Crankcase Ventilation Tube
GM
12696749
With supercharger, with zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$56.03
MSRP $86.20
Save $30.17
35% Off 
Positive Crankcase Ventilation (PCV) Tube
GM
12633792
Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$210.28
MSRP $384.08
Save $173.80
45.3% Off 
Vapor Canister Vent Valve
GM
15759044
Location-Vapor Canister. Rectangular. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control...
$37.35
MSRP $65.52
Save $28.17
43% Off 
Engine Crankcase Vent Valve
GM
12722131
Oil Separator Assy. Colorado. 2.7l. CT4. 2.7l. Canyon. 2.7l. Traverse. 2.5l. Acadia. 2.5l.
$30.00
MSRP $46.18
Save $16.18
35% Off 
Heated Oxygen Sensor
GM
12584050
LaCrosse. Federal emissions, 3.6L. Aztek, Rendezvous. This part requires programming and/or special setup procedures GM Service...
$50.62
MSRP $88.81
Save $38.19
43% Off 
Heated Oxygen Sensor
GM
12616201
3.6L, with direct injection. CTS. Camaro. 3.6l. Front. Wagon, 3.0L. 2010, 3.6L. 2011-15, 3.6L. This part requires programming and/or...
$113.55
MSRP $207.40
Save $93.85
45.3% Off 
Oxygen Sensor
GM
12705534
Silverado, sierra. 2.7l. Upstream. 1.5, 2.0L, 1.5L. Colorado. 2.7l. Canyon. 2.7l. Awd. Equinox. 1.5l. Fwd. Terrain. 1.5l.
$47.45
MSRP $83.24
Save $35.79
43% Off 
Multi-Purpose Nut
GM
11517996
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.56
MSRP $8.12
Save $2.56
31.5% Off 
Passenger Side Positive Crankcase Ventilation (PCV) Tube
GM
12670793
5.3 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$23.82
MSRP $39.70
Save $15.88
40% Off 
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...
$117.27
MSRP $214.20
Save $96.93
45.3% 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...
$64.55
MSRP $116.30
Save $51.75
44.5% Off 
Oxygen Sensor
GM
12702904
Upstream. Right. With supercharger. Escalade. 6.2l.
$43.25
MSRP $75.88
Save $32.63
43% 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 
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...
$48.45
MSRP $85.00
Save $36.55
43% 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,...
$109.89
MSRP $200.72
Save $90.83
45.3% 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...
$44.57
MSRP $78.20
Save $33.63
43% 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...
$155.94
MSRP $284.80
Save $128.86
45.2% Off 
Exhaust Gas Recirculation (EGR) Cooler
GM
12720269
Silverado, sierra. 6.6l. All. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
$447.18
MSRP $820.52
Save $373.34
45.5% Off 
Heated Oxygen Sensor
GM
12666612
Express, savana. Gas. Front. This part requires programming and/or special setup procedures GM Service Information describes the...
$54.26
MSRP $95.19
Save $40.93
43% 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
$180.47
MSRP $329.62
Save $149.15
45.2% 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
$26.37
MSRP $40.58
Save $14.21
35% 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
$30.50
MSRP $46.93
Save $16.43
35% Off 
Detection Pump
GM
12741163
Silverado, sierra. 2.7l. Colorado. Canyon. 1.3L turbo. Envision. Labeled 12741163.
$55.22
MSRP $96.88
Save $41.66
43% 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...
$34.71
MSRP $60.90
Save $26.19
43% 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....
$48.15
MSRP $84.48
Save $36.33
43% 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...
$72.80
MSRP $131.19
Save $58.39
44.5% 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...
$24.26
MSRP $42.56
Save $18.30
43% 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
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