Powertrain Control for 2020 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
2
2017-2024 GM - Exhaust Temperature Sensor 
GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19, upper, rear. Exhaust temp sensor. 6.6l. Position 2. 6.6L diesel, sensors, at exh pipe. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $78.78
$45.30
MSRP $78.78
$45.30
3
2017-2023 GM - Exhaust Temperature Sensor GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19, lower. Exhaust temp sensor. 6.6l. Position 5. 6.6L diesel, sensors, at muffler & pipe, posn 1, 2. Silverado, Sierra 2500 HD. Position 3. Silverado, Sierra 3500 HD. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $77.28
$44.44
MSRP $77.28
$44.44
5
2017-2023 GM - Exhaust Temperature Sensor GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19, upper, front. Exhaust temp sensor. 6.6l. Position 1. Silverado, Sierra 2500 HD. 6.6L diesel, sensors, at muffler & pipe, posn 3. Silverado, Sierra 3500 HD. 6.6L diesel, sensors, at converter. Helps provide accurate temperature detection
Heat and vibration resistant for operating efficiently
MSRP $82.42
$47.39
MSRP $82.42
$47.39
6
2020-2023 GM - Nitrogen Oxides Sensor GM
GM Description: 6.6L diesel, sensors. Detects the nitrogen oxide content of the exhaust to help optimize emissions
Manufactured to GM OE specification for fit, form, and function
7
2020-2023 GM - Lower Nox Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Rear. Silverado, Sierra 3500 HD. NOX Sensor.
MSRP $321.30
$174.95
MSRP $321.30
$174.95
8
MSRP $53.33
$30.66
No.
Part # / Description / Price
Price
1
2017-2022 GM - Engine Control Module GM
GM Description: Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
2
2016-2024 GM - Engine Camshaft Position Sensor GM
GM Description: Helps keep engine timing and fuel injection running in sync
Helps provide proper alignment, positioning, and spacing for easy installation
Synchronizes engine valves and pistons for excellent engine performance
MSRP $41.64
$23.94
MSRP $41.64
$23.94
3
2017-2024 GM - Engine Crankshaft Position Sensor GM
GM Description: Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Helps keep engine timing and fuel injection running in sync
Helps provide proper alignment, positioning, and spacing for easy installation
Synchronizes engine valves and pistons for excellent engine performance
MSRP $41.38
$23.79
MSRP $41.38
$23.79
No.
Part # / Description / Price
Price
1
$173.15
2
2017-2024 GM - Air Cleaner Housing Cover Bolt GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 5.3 & 6.2L. 2017-19. 6.6L gas. 6.6L diesel, engine compartment. 2.7L turbo. 4.3L. 3.0L diesel, engine compartment. Helps secure and attach your vehicle's radiator support baffle
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
3
Air Cleaner Assembly Retainer GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: 6.6L gas. 6.6L diesel, engine compartment. 3.0L diesel. 6.2L. Air cleaner assy,retainer.
$12.36
$12.36
4
2014-2025 GM - Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.05
$0.04
MSRP $0.05
$0.04
5
Acdelco™ Air Filter GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
5
2024-2025 GM - Air Filter GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $57.33
$33.86
MSRP $57.33
$33.86
6
2016-2023 GM - Mass Airflow Sensor GM
GM Description: Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $179.60
$99.68
MSRP $179.60
$99.68
9
2021-2024 GMC Sierra 2500 HD - Air Cleaner Outlet Rear Duct GM
GM Description: 6.6L diesel, engine compartment. 2017-19, rear.
$55.58
$55.58
10
2020-2024 GM - Turbocharger Outlet Duct Connector Clamp GM
GM Notes: PARTS: Part included with outlet tube.
Description: 6.6L diesel, engine compartment, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.17
$9.60
MSRP $13.17
$9.60
11
2020-2024 GM - Outlet Tube Clamp GM
GM Notes: PARTS: Part included with outlet tube.
Description: 6.6L diesel, engine compartment, #2.
MSRP $13.37
$9.75
MSRP $13.37
$9.75
12
2020-2024 GM - Turbocharger Outlet Duct Connector Clamp GM
GM Notes: PARTS: Part included with outlet tube.
Description: 6.6L diesel, engine compartment, #3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.78
$7.13
MSRP $9.78
$7.13
13
2020-2025 GM - Intake Air Baffle GM
GM Description: 6.6L gas. 6.6L diesel, engine compartment. Helps direct air flow and guide it to your vehicle's engine intake
Helps separate moisture from entering the air intake
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $133.46
$89.24
MSRP $133.46
$89.24
14
1985-2024 GM - Push-Pin GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.93
$3.65
MSRP $4.93
$3.65
16
2020-2025 GM - Intermediate Intake Air Duct GM
GM Description: 6.6L diesel, engine compartment. Helps guide airflow to your vehicle's air filter
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $59.71
$41.37
MSRP $59.71
$41.37
17
2007-2025 GM - Push-Pin GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.43
$5.50
MSRP $7.43
$5.50
18
2017-2024 GM - Engine Intake Manifold Cover GM
GM Description: 2017-19. 6.6L diesel, engine compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $99.53
$62.99
MSRP $99.53
$62.99
19
2017-2024 GM - Intake Manifold Insulator GM
GM Notes: PARTS: Part included with resonator.
Description: 2017-19. 6.6L diesel, engine compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.96
$10.91
MSRP $14.96
$10.91
20
2017-2023 GM - Engine Intake Manifold Bracket GM
GM Description: 2017-19. 6.6L diesel, engine compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $47.38
$31.06
MSRP $47.38
$31.06
21
2016-2025 GM - Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.60
$1.92
MSRP $2.60
$1.92
No.
Part # / Description / Price
Price
1
Acdelco™ Engine Water Pump GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Silverado, sierra. 6.6l.
2
2015-2024 GM - Water Pump Cover Seal GM
GM Description: Silverado, sierra. 6.6l. 6.6L diesel. Silverado, Sierra 2500 HD. O-ring. Silverado, Sierra 3500 HD. Made from some heat and chemical-resistant materials
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.00
$5.20
MSRP $8.00
$5.20
3
2007-2025 GM - 8x1.25x59.05 Front Compartment Side Rail Bolt GM
GM Description: 6.6L diesel, main battery. Auxiliary. Storage tray, 2nd design. Primary. 4.2L twin-turbo. Fuel tank & pump, 8x59mm. Main battery, 2014-2017. 2009 2nd design, 2010. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.53
$6.95
MSRP $9.53
$6.95
4
2006-2024 GM - M8x1.25x105 Multi-Purpose Bolt GM
GM Description: 6.6L diesel. 2.4L. With high output. 1.5L turbo. 1.4L. 3.6L. 2.0L. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $15.56
$11.35
MSRP $15.56
$11.35
5
2006-2024 GM - Multi-Purpose Bolt GM
GM Description: 6.6L diesel. 6.6L. to block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.04
$5.88
MSRP $9.04
$5.88
6
2015-2025 GM - Multi-Purpose Nut GM
GM Description: Helps align and secure various components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
7
2017-2024 GM - Engine Coolant Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $209.30
$113.96
MSRP $209.30
$113.96
7
Acdelco™ Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
8
2017-2024 GM - Engine Coolant Thermostat Housing Gasket GM
GM Description: 6.6L diesel. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.16
$5.95
MSRP $9.16
$5.95
9
2017-2024 GM - Engine Coolant Thermostat Housing Bolt GM
GM Description: 6.6L diesel. Threads Into Side of Bearing Cap. 8 x 1.25 x 25mm. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $10.25
$7.48
MSRP $10.25
$7.48
10
2020-2024 GM - Multi-Purpose Stud GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.93
$5.88
MSRP $7.93
$5.88
11
2016-2025 GM - Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $2.60
$1.92
MSRP $2.60
$1.92
12
By-Pass Hose GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $78.04
$44.87
MSRP $78.04
$44.87
13
2017-2024 GM - By-Pass Pipe Seal GM
GM Notes: PARTS: Part included with by-pass pipe.
Description: 6.6L diesel.
MSRP $9.04
$5.88
MSRP $9.04
$5.88
14
MSRP $8.00
$5.20
15
Acdelco™ Thermostat GM
GM Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. 180 Degrees F. Optional. Silverado, sierra. 6.6l. 180 degrees.
15
2017-2024 GM - Engine Coolant Thermostat GM
GM Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180 degrees.
MSRP $82.56
$47.46
MSRP $82.56
$47.46
16
2017-2024 GM - Engine Coolant Thermostat GM
GM Description: Silverado, sierra. 6.6l. 185 degrees. 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185 degrees. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
MSRP $42.22
$24.28
MSRP $42.22
$24.28
16
Acdelco™ Thermostat GM
GM Description: 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185 degrees. 185 Degrees F. Optional. Silverado, sierra. 6.6l. 185 degrees.
18
2001-2024 GM - Engine Coolant Thermostat O-Ring GM
GM Notes: PARTS: Part included with thermostat.
Description: 6.6L diesel, 185 deg therm. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, 180 deg therm. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.66
$8.74
MSRP $13.66
$8.74
19
Engine Coolant Temperature Sensor GM
GM Description: Helps keep engine running at proper temperature
Alerts vehicle operator of high engine temperature conditions
MSRP $31.75
$19.85
MSRP $31.75
$19.85
20
2020-2024 GM - Water Outlet GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $89.04
$51.20
MSRP $89.04
$51.20
21
2010-2024 GM - Engine Water Pump Outlet Pipe GM
GM Description: 6.6L diesel. 2017-19.
MSRP $66.08
$38.00
MSRP $66.08
$38.00
22
2017-2024 GM - Water Pump Outlet Pipe Gasket GM
GM Notes: PARTS: Part included with outlet pipe.
Description: 2017-19. 6.6L diesel. Silverado, Sierra 2500 HD. Gasket. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $9.16
$5.95
MSRP $9.16
$5.95
22
Acdelco™ Engine Coolant Pipe O-Ring GM
GM Description: Pipe to Oil Cooler. Outlet pipe,seal. 2017-19 6.6L diesel. 6.6L turbo diesel.
23
2001-2025 GM - Water Pump O-Ring GM
GM Description: Pipe to Oil Cooler. 2017-19. 6.6L diesel. Made from heat and chemical-resistant materials
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $44.09
$25.37
MSRP $44.09
$25.37
Related Parts
Part # / Description / Price
Price
2013-2025 GM - Ignition Knock (Detonation) Sensor GM
GM Description: Sends signals to the engine control module (ECM) to adjust timing
Helps prevent damage to the engine caused by pre-ignition
MSRP $44.02
$25.30
MSRP $44.02
$25.30