Powertrain Control for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
Engine Control Module (ECM) 
GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $651.68
$372.92
MSRP $651.68
$372.92
2
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
$24.87
MSRP $41.64
$24.87
3
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
$24.71
MSRP $41.38
$24.71
No.
Part # / Description / Price
Price
1
Temp Sensor GM
GM Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Front. Silverado, Sierra 3500 HD. 6.6L diesel, at manifold. 6.6L diesel, sensors, at converter.
2
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
$47.05
MSRP $78.78
$47.05
5
Exhaust Temp Sensor GM
GM Description: 6.6L diesel, sensors, at muffler & pipe, posn 3.
MSRP $99.16
$58.48
MSRP $99.16
$58.48
6
Nitrogen Oxide Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Front. Silverado, Sierra 3500 HD.
MSRP $209.24
$121.83
MSRP $209.24
$121.83
7
Nitrogen Oxide Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Rear. Silverado, Sierra 3500 HD.
MSRP $249.18
$145.09
MSRP $249.18
$145.09
8
Intake Air Pressure and Temperature Sensor GM
GM Description: GM Genuine Parts Air Charge Temperature Sensors Keepers are designed, engineered, and tested to rigorous standards, and are backed by General Motors.
GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles.
MSRP $53.33
$30.26
MSRP $53.33
$30.26
No.
Part # / Description / Price
Price
2
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
MSRP $8.65
$6.43
MSRP $8.65
$6.43
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.
$11.93
$11.93
4
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
Air Cleaner Element GM
GM Notes: PARTS: Part included with air cleaner assembly.
Description: GM Genuine Parts Air Filters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These filters help trap airborne particles before they enter the engine system which can help protect the engine from potential damage. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles
MSRP $57.33
$35.17
MSRP $57.33
$35.17
5
5
6
Mass Air Flow Sensor GM
GM Description: GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient air/fuel mixture for the best fuel economy and power.
9
$57.01
10
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
$9.26
MSRP $13.17
$9.26
11
Outlet Tube Clamp GM
GM Notes: PARTS: Part included with outlet tube.
Description: 6.6L diesel, engine compartment, #2.
MSRP $13.37
$9.41
MSRP $13.37
$9.41
12
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
$6.88
MSRP $9.78
$6.88
13
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
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
$93.63
MSRP $133.46
$93.63
14
PUSH RETAINER (QTY 1) GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $4.93
$3.47
MSRP $4.93
$3.47
16
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
$42.97
MSRP $59.71
$42.97
17
Push-Pin GM
GM Description: These are Sold Individually.
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.43
$5.22
MSRP $7.43
$5.22
18
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
$66.94
MSRP $99.53
$66.94
19
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
$10.52
MSRP $14.96
$10.52
20
MSRP $10.39
$7.32
21
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
$1.83
MSRP $2.60
$1.83
No.
Part # / Description / Price
Price
1
Acdelcoâ„¢ Engine Water Pump GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Silverado, sierra. 6.6l.
2
Water Pump Cover Seal GM
GM Notes: PARTS: Part included with water pump.
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
$4.94
MSRP $8.00
$4.94
3
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
$6.70
MSRP $9.53
$6.70
5
Stud-Double End 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
$5.58
MSRP $9.04
$5.58
7
Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $209.30
$121.86
MSRP $209.30
$121.86
7
Acdelcoâ„¢ Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
8
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
$5.65
MSRP $9.16
$5.65
9
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
$7.21
MSRP $10.25
$7.21
10
Stud-Double End 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
$5.58
MSRP $7.93
$5.58
11
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
$1.83
MSRP $2.60
$1.83
12
By-Pass Hose GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $78.04
$46.61
MSRP $78.04
$46.61
13
By-Pass Pipe Seal GM
GM Notes: PARTS: Part included with by-pass pipe.
Description: 6.6L diesel.
MSRP $9.04
$5.58
MSRP $9.04
$5.58
14
MSRP $8.00
$4.94
15
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
$48.68
MSRP $82.56
$48.68
15
Acdelcoâ„¢ 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.
16
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
$25.22
MSRP $42.22
$25.22
16
Acdelcoâ„¢ 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
Engine Coolant Thermostat O-Ring GM
GM Description: GM Genuine Parts Engine Coolant Thermostat Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help prevent coolant leaks from your vehicle's engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
MSRP $13.66
$8.43
MSRP $13.66
$8.43
19
Engine Coolant Temperature Sensor GM
GM Description: GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle's original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
MSRP $31.75
$19.37
MSRP $31.75
$19.37
20
Water Outlet GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $89.04
$52.51
MSRP $89.04
$52.51
22
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
$5.65
MSRP $9.16
$5.65
23
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
$26.35
MSRP $44.09
$26.35
23
Acdelcoâ„¢ Engine Coolant Pipe O-Ring GM
GM Description: Pipe to Oil Cooler. Outlet pipe,seal. 2017-19 6.6L diesel. 6.6L turbo diesel.
No.
Part # / Description / Price
Price
1
Egr Valve GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $445.58
$258.33
MSRP $445.58
$258.33
2
Exhaust Gas Recirculation (EGR) Valve Gasket GM
GM Description: GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide a gas-tight seal for the EGR valve mounting flange. They are made from high temperature materials, and should be replaced whenever you service the EGR valve. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
MSRP $38.60
$23.54
MSRP $38.60
$23.54
3
Egr Pipe GM
GM Description: Silverado, Sierra 2500 HD. To egr valve. Silverado, Sierra 3500 HD. 6.6L diesel, egr valve & related components, 2017-19. Sierra, silverado. 6.6l. Lower.
MSRP $166.98
$97.22
MSRP $166.98
$97.22
4
Exhaust Gas Recirculation (EGR) Pipe Gasket GM
GM Description: 6.6L diesel, upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.82
$5.44
MSRP $8.82
$5.44
5
Exhaust Gas Recirculation (EGR) Pipe Gasket GM
GM Notes: PARTS: Part included with EGR pipe.
Description: 6.6L diesel, egr valve & related components, 2017-19, upper. 6.6L diesel, lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $39.98
$24.38
MSRP $39.98
$24.38
6
Exhaust Gas Recirculation (EGR) Valve Cooling Feed Hose GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
Outlet Hose GM
GM Description: 6.6L diesel, egr valve & related components, 2017-19.
MSRP $18.46
$11.39
MSRP $18.46
$11.39
8
By-Pass Valve GM
GM Description: Egr cooler by-pass valve. Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $373.68
$216.64
MSRP $373.68
$216.64
9
Exhaust Gas Recirculation (EGR) Cooler Bypass Gasket 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 $11.22
$6.93
MSRP $11.22
$6.93
10
EGR Tube GM
GM Description: This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $241.92
$140.86
MSRP $241.92
$140.86
12
Egr Cooler GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD.
MSRP $673.58
$385.46
MSRP $673.58
$385.46
16
Engine Coolant Pipe Gasket GM
GM Notes: PARTS: Part included with inlet pipe.
Description: 6.6L diesel, egr valve & related components, 2017-19.
MSRP $8.44
$5.21
MSRP $8.44
$5.21
17
MSRP $144.62
$85.29
19
Exhaust Gas Recirculation Valve Cooler Heat Shield GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $18.70
$11.54
MSRP $18.70
$11.54
20
MSRP $41.49
$28.24
21
Exhaust Gas Recirculation Pipe Shield GM
GM Description: Manufactured to GM OE specification for fit, form, and function
MSRP $33.66
$20.52
MSRP $33.66
$20.52
22
Temp Sensor GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Position 2. Silverado, Sierra 3500 HD.
MSRP $31.88
$19.44
MSRP $31.88
$19.44
22
Temp Sensor GM
GM Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Front. Silverado, Sierra 3500 HD. 6.6L diesel, at manifold. 6.6L diesel, sensors, at converter.
Related Parts
Part # / Description / Price
Price
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
$26.28
MSRP $44.02
$26.28
Manifold Absolute Pressure Sensor GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $18.88
$13.12
MSRP $18.88
$13.12
Temp Sensor GM
GM Notes: Order By Vehicle Application.
Description: Exhaust. Silverado, Sierra 2500 HD. At muffler. At tail pipe. Silverado, Sierra 3500 HD.
MSRP $118.50
$69.89
MSRP $118.50
$69.89
Temp Sensor GM
GM Notes: Order By Vehicle Application.
Description: Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Rear. Silverado, Sierra 3500 HD.
MSRP $109.38
$64.51
MSRP $109.38
$64.51