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Home
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Sierra 3500 HD
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2020
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Diesel Aftertreatment System
2020 GMC Sierra 3500 HD Diesel Aftertreatment System
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2020 GMC Sierra 3500 HD
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Emission Control & Exhaust
Diesel Aftertreatment System
EGR System
Emission Components
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Exhaust Manifold
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Emission Control & Exhaust
Diesel Aftertreatment System
EGR System
Emission Components
Exhaust Components
Exhaust Manifold
Heat Shields
Other Categories
A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
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Engine
Headlights & Lighting
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Maintenance & Lubrication
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Suspension
Transmission
Parts Questions
3 diagrams found for the vehicle you selected.
Select your vehicle options to narrow down results.
1.
Emission System - Emission Components (Diesel,Emission Reduction System)
2.
Emission System - Emission Components (Diesel,Sensors)
3.
Exhaust System - Exhaust Components (Diesel)
Sort by:
Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
1
84341182
Converter & Pipe
Part Notes: 6.6 Liter Diesel
$757.39
$512.82
1
Add To Cart
1
12683486
Exhaust Temperature Sensor
Part Notes: 6.6 Liter Diesel, Sensors, AT Converter
$76.80
$43.01
1
Add To Cart
1
87821864
Tank
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$868.57
$549.55
1
Add To Cart
2
84013962
Converter & Pipe Seal
Part Notes: 6.6 Liter Diesel
$11.53
$7.75
1
Add To Cart
2
12683487
Exhaust Temperature Sensor
Part Notes: 6.6 Liter Diesel, Sensors, AT Exh Pipe
$73.42
$41.12
2
84564754
Front Bracket
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$6.91
$4.65
1
Add To Cart
3
84263421
Converter & Pipe Hanger
Part Notes: 6.6 Liter Diesel
$8.66
$5.82
1
Add To Cart
3
12683525
Exhaust Temperature Sensor
Part Notes: 6.6 Liter Diesel, Sensors, AT Convtr & Pipe
$72.02
$40.33
1
Add To Cart
3
84146883
Side Bracket
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$51.36
$28.76
1
Add To Cart
4
23469850
Converter & Pipe Insulator
Part Notes: 6.6 Liter Diesel
$28.48
$19.14
1
Add To Cart
4
12683525
Exhaust Temperature Sensor
Part Notes: 6.6 Liter Diesel, Sensors, AT Muffler & Pipe, Posn 1, 2
$72.02
$40.33
1
Add To Cart
4
84578418
Tank Strap
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$23.52
$13.17
1
Add To Cart
5
12683486
Exhaust Temperature Sensor
Part Notes: 6.6 Liter Diesel, Sensors, AT Muffler & Pipe, Posn 3
$76.80
$43.01
1
Add To Cart
5
84612879
Muffler & Pipe
Part Notes: 6.6 Liter Diesel, Regular Cab
Replaced By: 86534428
$1397.35
$938.51
1
Add To Cart
5
84612883
Muffler & Pipe
Part Notes: 6.6 Liter Diesel, Crew Cab, 6.9 Ft Box
Replaced By: 86534424
$1653.13
$1108.86
1
Add To Cart
5
84612887
Muffler & Pipe
Part Notes: 6.6 Liter Diesel, Crew Cab, 8 Ft Box
Replaced By: 86534453
$1259.26
$846.55
1
Add To Cart
5
86534451
Muffler & Pipe
Part Notes: 6.6 Liter Diesel, Double Cab
$1226.55
$824.76
1
Add To Cart
5
84923532
Tank Shield
Part Notes: 6.6 Liter Diesel, Emission Reduction System
Replaced By: 85697766
$200.92
$112.01
1
Add To Cart
6
15126137
Muffler & Pipe Gasket
Part Notes: 6.6 Liter Diesel
Replaced By: 37183442
$12.97
$8.71
1
Add To Cart
6
84230959
Tank Shield Cover
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$25.98
$17.46
1
Add To Cart
6
12708005
Upper Nox Sensor
Part Notes: 6.6 Liter Diesel, Sensors
$310.10
$172.88
1
Add To Cart
7
84948480
Heat Shield
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$91.50
$61.49
1
Add To Cart
7
12708006
Lower Nox Sensor
Part Notes: 6.6 Liter Diesel, Sensors
$321.30
$179.12
1
Add To Cart
7
84612889
Muffler & Pipe Insulator
Part Notes: 6.6 Liter Diesel, Short
$16.08
$10.81
1
Add To Cart
8
12688993
Injector
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$246.48
$137.41
1
Add To Cart
8
12707766
M.A.P. Sensor
Part Notes: 6.6 Liter Diesel, Sensors
$53.59
$30.00
1
Add To Cart
8
15092802
Muffler & Pipe Insulator
Part Notes: 6.6 Liter Diesel, Long
$34.28
$23.04
1
Add To Cart
9
12671767
Injector Gasket
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$3.53
$2.37
1
Add To Cart
10
85516393
Fluid Pipe
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$138.26
$77.43
1
Add To Cart
11
85514348
Module
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$185.72
$104.00
12
85108194
Harness
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$93.86
$52.56
1
Add To Cart
13
23342404
Filler Pipe
Part Notes: 6.6 Liter Diesel, Emission Reduction System, Regular Cab
$110.94
$62.13
1
Add To Cart
13
23342405
Filler Pipe
Part Notes: 6.6 Liter Diesel, Emission Reduction System, Crew Cab, 6.9 Ft Box
$122.54
$68.62
1
Add To Cart
13
23342406
Filler Pipe
Part Notes: 6.6 Liter Diesel, Emission Reduction System, Crew Cab, 8 Ft Box
$121.26
$67.91
1
Add To Cart
13
23342407
Filler Pipe
Part Notes: 6.6 Liter Diesel, Emission Reduction System, Double Cab
$118.06
$66.11
1
Add To Cart
14
23138955
Filler Cap
Part Notes: 6.6 Liter Diesel, Emission Reduction System
$26.58
$14.88
1
Add To Cart
84612874
Diesel Particulate Filter
Part Notes: Silverado, Sierra 3500 Hd; Regular Cab Chassis; 146.3
Replaced By: 86534433
$1378.44
$925.91
1
Add To Cart
84612878
Diesel Particulate Filter
Part Notes: Silverado, Sierra 3500 Hd; Crew Cab Chassis
Replaced By: 86534430
$1440.40
$967.18
1
Add To Cart
86534432
Diesel Particulate Filter
Part Notes: Silverado, Sierra 3500 Hd; Regular Cab Chassis; 170.8
$1434.30
$963.12
1
Add To Cart
12717296
Injector
Part Notes: Diesel Fluid Injector; Silverado, Sierra 3500 Hd; W/O Chassis Cab
$379.88
$211.78
12717297
Injector
Part Notes: Diesel Fluid Injector; Silverado, Sierra 3500 Hd; W/Chassis Cab
$416.04
$231.94
1
Add To Cart
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