Emission Systems
Diesel Exhaust Fluid (DEF) System Main Wiring Harness
GM
87821867
6.6L diesel, emission reduction system, 2nd design. 6.6L diesel, emission reduction system, all.
$134.32
MSRP $245.34
Save $111.02
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
12696688
Canister & sensors, 6.2L. CT5. 6.2l. Upstream. Left. With supercharger. Escalade. 6.2l.
$26.95
MSRP $44.92
Save $17.97
40% Off 
Secondary Air Injection Pump Pipe
GM
55567470
Without diesel 1.8L. Air pipe. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed,...
$252.59
MSRP $461.36
Save $208.77
45.3% Off 
Emission Reduction Fluid Tank Front Bracket
GM
84933979
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$20.42
MSRP $29.86
Save $9.44
31.6% Off 
Oxygen Sensor
GM
12702904
Upstream. Right. With supercharger. Escalade. 6.2l.
$43.25
MSRP $75.88
Save $32.63
43% Off 
Vapor Canister
GM
85161069
ATS. Federal. California. Without pzev. With v-series.
$123.31
MSRP $225.22
Save $101.91
45.2% Off 
Vapor Canister
GM
19330402
Vue. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine...
$152.00
MSRP $277.62
Save $125.62
45.2% 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
$4.07
MSRP $4.92
Save $0.85
17.3% Off 
Line
GM
60009242
1.3L turbo. Encore GX. From engine. 1.3l. Front.
$19.56
MSRP $32.60
Save $13.04
40% 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...
$0.33
MSRP $0.37
Save $0.04
10.8% Off 
Push-Pin
GM
11589289
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.38
MSRP $8.01
Save $1.63
20.3% Off 
Nitrogen Oxide (NOx) Sensor Bracket
GM
22946863
With diesel, egr valve & related components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$14.99
MSRP $21.92
Save $6.93
31.6% 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...
$48.45
MSRP $85.00
Save $36.55
43% Off 
Vapor Canister
GM
85158841
Blazer. 2.0l. With 2.0L. Acadia. 2.0l. 2.0L turbo.
$280.48
MSRP $526.12
Save $245.64
46.7% Off 
Positive Crankcase Ventilation (PCV) Vacuum Hose
GM
25192134
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$7.25
MSRP $12.08
Save $4.83
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,...
$109.89
MSRP $200.72
Save $90.83
45.3% Off 
Cover
GM
39118908
1.6L, reduction tank & components, hatchback.
$44.61
MSRP $68.64
Save $24.03
35% Off 
Heated Oxygen Sensor
GM
19178929
Cavalier, Sunfire. 2.4l. 2.4L, post converter. Rear, 2.4L. Cavalier, Sunfire. 2.2l. 2.4L, pre converter. Detects oxygen content in the...
$79.98
MSRP $144.08
Save $64.10
44.5% 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
$7.32
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 
Heated Oxygen Sensor
GM
19178747
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$61.18
MSRP $110.24
Save $49.06
44.5% 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...
$155.94
MSRP $284.80
Save $128.86
45.2% Off 
Exhaust Gas Recirculation (EGR) Valve
GM
55510254
Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$81.75
MSRP $147.30
Save $65.55
44.5% Off 
Heated Oxygen Sensor
GM
19316342
City Express. Upstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
$220.46
MSRP $402.66
Save $182.20
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 
Passenger Side Fuel Tank Vent
GM
22986542
Bi-fuel/cng, tank & components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$22.12
MSRP $32.33
Save $10.21
31.6% Off 
Exhaust Gas Re-Circulation (Egr) Valve Spacer Plate Gasket
GM
10191741
Location-Adapter To Exhaust Manifold.
$6.24
Vapor Canister Control Valve Vacuum Hose
GM
22788016
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$58.12
MSRP $104.72
Save $46.60
44.5% Off 
Diesel Emissions Fluid (DEF) Exhaust Front Injector Supply Pipe Bracket
GM
22976413
With diesel, emission reduction system, 1st design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$34.67
MSRP $50.68
Save $16.01
31.6% Off 
Driver Side Positive Crankcase Ventilation (PCV) Tube
GM
12670013
Coupe, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.18
MSRP $13.64
Save $5.46
40% 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
$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.
$55.22
MSRP $96.88
Save $41.66
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