Engine for 2025 Chevrolet Silverado 2500 HD
No.
Part # / Description / Price
Price
N/A
Engine 1 
GM
GM Description: The Genuine GM OEM Engine (MPN: 12740949) is engineered for heavy-duty performance in Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks. This authentic General Motors engine assembly delivers reliable power and durability for demanding towing a ...
MSRP $4,774.06
$4,683.35
MSRP $4,774.06
$4,683.35
N/A
Piston Pin GM
GM Description: The GM Genuine OEM Piston Pin (MPN: 12656761) is a precision-engineered engine component that connects the connecting rod to the piston, enabling smooth reciprocal motion in your engine. This authentic General Motors part is designed to exacting specificat ...
MSRP $24.90
$16.93
MSRP $24.90
$16.93
N/A
Driver Side Engine Mount GM
GM Description: # Driver Side Engine Mount - GM OEM Part
Upgrade your 6.6L diesel pickup with the genuine GM OEM driver side engine mount (MPN: 84070092), engineered for Silverado and Sierra 2500 HD and 3500 HD models. This left-side engine mount is designed to minimize ...
MSRP $108.30
$68.41
MSRP $108.30
$68.41
N/A
Front Mount GM
GM Description: Upgrade your heavy-duty truck with the Genuine GM OEM Front Mount (MPN: 85043936), engineered for Silverado and Sierra 2500 HD and 3500 HD models equipped with 6.6L diesel engines. This authentic General Motors component ensures reliable performance and pr ...
MSRP $127.77
$80.71
MSRP $127.77
$80.71
1
Cylinder Head GM
GM Description: # Cylinder Head - MPN 12716846
Upgrade your heavy-duty truck's engine performance with this genuine GM OEM cylinder head (MPN 12716846), engineered for maximum reliability and durability. This original equipment manufacturer part is designed to fit Chevro ...
MSRP $833.93
$518.11
MSRP $833.93
$518.11
2
Head Gasket GM
GM Description: # Head Gasket - GM OEM Part
Upgrade your Silverado or Sierra's engine reliability with the Genuine GM OEM Head Gasket (MPN: 12727484), engineered to seal the combustion chamber and prevent coolant or oil leaks in heavy-duty trucks. This Grade A replacemen ...
MSRP $88.36
$55.80
MSRP $88.36
$55.80
2
Head Gasket GM
GM Description: # Product Description
This Genuine GM OEM Head Gasket (MPN: 12727485) is engineered to seal the cylinder head to the engine block on heavy-duty GM trucks, delivering reliable performance and leak prevention. Designed specifically for Silverado and Sierra ...
MSRP $104.38
$65.93
MSRP $104.38
$65.93
2
MSRP $123.77
$78.17
3
Valve Cover GM
GM Description: Genuine GM OEM Valve Cover (MPN 12725771) for 6.6L Duramax diesel engines, designed for right-side installation on Silverado and Sierra 2500 HD and 3500 HD pickup trucks. This upper engine component seals the valve train while providing access for maintena ...
MSRP $111.65
$70.51
MSRP $111.65
$70.51
3
Valve Cover GM
GM Description: Genuine GM OEM Valve Cover (MPN: 12701129) for 6.6L Duramax diesel engines, designed to seal and protect upper engine components in Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks. This left-side valve cover replacement part maintains proper ...
MSRP $115.57
$73.00
MSRP $115.57
$73.00
4
Valve Cover Gasket GM
GM Description: Upgrade your diesel truck's engine sealing with the Genuine GM OEM Valve Cover Gasket (MPN: 12691860), engineered specifically for 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models equipped with the 6.6L Duramax diesel engine. This au ...
MSRP $35.51
$23.05
MSRP $35.51
$23.05
5
Engine Intake Valve GM
GM Description: # Genuine GM Engine Intake Valve MPN 12734017
The Genuine GM OEM Engine Intake Valve (MPN: 12734017) is a critical engine component designed to regulate air intake into the combustion chamber for optimal engine performance. This authentic General Motors i ...
MSRP $13.47
$9.17
MSRP $13.47
$9.17
6
Valve Seals GM
GM Description: Genuine GM OEM Valve Seals (MPN: 12633926) are precision-engineered sealing components designed to prevent oil leakage and maintain proper combustion chamber integrity in your engine. These OEM valve seals are specifically engineered for Chevrolet Silverad ...
MSRP $8.40
$5.71
MSRP $8.40
$5.71
7
Valve Springs GM
GM Description: Genuine GM OEM Valve Springs (MPN: 12729741) are precision-engineered components designed to maintain proper valve operation and engine performance in heavy-duty trucks. These OEM valve springs deliver reliable valve timing and lift control for Silverado a ...
MSRP $8.06
$5.47
MSRP $8.06
$5.47
8
MSRP $440.60
$275.01
9
Valve Spring Retainer GM
GM Description: The GM OEM Valve Spring Retainer (MPN: 12636194) is a critical engine component engineered to secure valve springs in place and maintain proper valve train operation. This genuine General Motors part is specifically designed for Silverado and Sierra heavy- ...
MSRP $8.66
$5.89
MSRP $8.66
$5.89
10
Valve Keeper GM
GM Description: The Genuine GM OEM Valve Keeper (MPN: 12636193) is a critical engine component designed to securely retain valve springs on your vehicle's cylinder head. This authentic General Motors part is engineered for select Silverado and Sierra models, ensuring prop ...
MSRP $7.93
$5.39
MSRP $7.93
$5.39
11
Engine Exhaust Rocker Arm GM
GM Notes: Includes: Roller And Nut.
Description: GM part 12636190 is a genuine GM engine rocker arm assembly (also commonly listed as an exhaust rocker arm in GM parts catalogs).
Part details
GM Part Number: 12636190
Description: Engine Rocker Arm / Exhaust Rocker Arm Assembly
Function: Part of the ...
MSRP $28.33
$19.25
MSRP $28.33
$19.25
11
Engine Intake Rocker Arm GM
GM Notes: Includes: Roller And Nut.
Description: Upgrade your engine performance with the Genuine GM OEM Engine Intake Rocker Arm (MPN: 12636189), engineered to precise specifications for Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models. This critical valve train component manages intake val ...
MSRP $28.33
$19.25
MSRP $28.33
$19.25
12
Valve Push Rod GM
GM Description: Upgrade your Silverado or Sierra heavy-duty truck with the Genuine GM OEM Valve Push Rod (MPN: 12633924), engineered to precise General Motors specifications for reliable valve train operation. This authentic GM part delivers OEM-quality performance and du ...
MSRP $9.58
$6.51
MSRP $9.58
$6.51
13
Engine Hydraulic Valve Adjuster/Valve Lifter GM
GM Description: # Genuine GM OEM Engine Hydraulic Valve Adjuster/Valve Lifter (MPN: 12670435)
The Genuine GM OEM Engine Hydraulic Valve Adjuster/Valve Lifter (MPN: 12670435) is a critical engine component designed to maintain precise valve clearance and optimize engine p ...
MSRP $14.95
$10.16
MSRP $14.95
$10.16
14
Engine Camshaft GM
GM Description: Upgrade your Silverado or Sierra heavy-duty truck with the genuine GM OEM engine camshaft (MPN: 12633925), engineered to deliver precise valve timing and optimal engine performance. This authentic General Motors camshaft is specifically designed for 2500 H ...
MSRP $255.37
$159.40
MSRP $255.37
$159.40
15
Engine Camshaft Bearing GM
GM Description: # SEO-Optimized Product Description
Upgrade your Silverado or Sierra heavy-duty truck with this Genuine GM OEM Engine Camshaft Bearing (MPN: 12631286), engineered to meet strict manufacturer specifications for positions No. 2, 3, 4, and 5. This critical e ...
MSRP $8.45
$5.75
MSRP $8.45
$5.75
15
Engine Camshaft Bearing GM
GM Description: Upgrade your Silverado or Sierra heavy-duty truck with the genuine GM OEM Engine Camshaft Bearing (MPN: 12631285), engineered to precision specifications for optimal valve train performance. This authentic General Motors engine component ensures reliable c ...
MSRP $8.46
$5.75
MSRP $8.46
$5.75
16
Crankshaft Front Oil Seal GM
GM Description: # Product Description
Upgrade your diesel engine's reliability with the Genuine GM OEM Crankshaft Front Oil Seal (MPN: 97209341), engineered specifically for 2015-2019 Chevrolet Silverado and GMC Sierra HD trucks with 6.6L Duramax diesel engines, as well ...
MSRP $71.22
$46.23
MSRP $71.22
$46.23
17
Cover GM
GM Description: Genuine GM OEM Cover (MPN: 12739836) designed for 6.6L diesel upper engine components on Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks. This factory-original cover protects critical diesel engine components and maintains proper engine bay o ...
MSRP $153.21
$96.76
MSRP $153.21
$96.76
18
Camshaft Gear GM
GM Description: Genuine GM OEM Camshaft Gear (MPN: 12721405) is a critical engine component designed for Chevrolet Silverado and GMC Sierra heavy-duty trucks, including 2500 HD and 3500 HD models. This original equipment manufacturer part ensures precise camshaft timing a ...
MSRP $276.98
$172.87
MSRP $276.98
$172.87
21
Piston GM
GM Notes: Includes: Piston Pin & Ring Set.
Description: Genuine GM OEM Piston MPN 12732224 is engineered for Chevrolet Silverado and GMC Sierra heavy-duty trucks, including 2500 HD and 3500 HD models. This critical engine component manages combustion chamber pressure and transfers power to the crankshaft, makin ...
MSRP $213.16
$133.04
MSRP $213.16
$133.04
22
Connecting Rod GM
GM Description: The GM OEM Connecting Rod (MPN: 12680192) is a critical engine component that links the piston to the crankshaft, enabling proper combustion and power transfer in your vehicle. This genuine General Motors part is engineered for Silverado and Sierra trucks, ...
MSRP $104.46
$65.98
MSRP $104.46
$65.98
23
Connecting Rod Bearing GM
GM Notes: Includes: Eight Standard Upper & Lower Bearing.
Description: Genuine GM OEM Connecting Rod Bearing MPN 12685817 is engineered to deliver reliable engine performance in Silverado and Sierra heavy-duty trucks. This original equipment manufacturer bearing maintains precise tolerances and superior load-carrying capacity ...
MSRP $15.90
$10.80
MSRP $15.90
$10.80
24
Main Bearings GM
GM Notes: Includes: One Upper, One Lower & One Thrust Bearing.
Description: # Product Description
Genuine GM OEM Main Bearings (MPN: 12704537) are precision-engineered bearing kits designed to support and maintain proper crankshaft alignment in your engine. This complete bearing set is engineered for Chevrolet Silverado and GMC S ...
MSRP $100.31
$63.34
MSRP $100.31
$63.34
25
Engine Crankshaft GM
GM Notes: Includes: Crankshaft Timing Gear.
Description: Upgrade your Silverado or Sierra heavy-duty truck with the genuine GM OEM engine crankshaft (MPN: 12677566), the critical rotating component that converts combustion pressure into mechanical power for reliable engine performance. This authentic General Mot ...
MSRP $1,131.07
$863.01
MSRP $1,131.07
$863.01
26
Rear Crankshaft Oil Seal GM
GM Description: Genuine GM OEM Rear Crankshaft Oil Seal (MPN: 97209342) engineered for Chevrolet Express, Savana, Silverado, and GMC Sierra 2500 HD/3500 HD models. This original equipment crankshaft seal prevents engine oil leaks by creating a tight, reliable barrier at b ...
MSRP $83.58
$54.26
MSRP $83.58
$54.26
27
Vibration Damper GM
GM Description: Replace the vibration damper on your 2017-2019 Chevrolet Silverado or GMC Sierra equipped with a 6.6L diesel engine with this genuine GM OEM part (MPN: 12723412). This upper engine component reduces harmful vibrations and ensures smooth operation of critic ...
MSRP $169.57
$107.09
MSRP $169.57
$107.09
28
Crankshaft Pulley GM
GM Description: Genuine GM OEM Crankshaft Pulley (MPN: 12692644) for 6.6L diesel engines in Silverado and Sierra 2500 HD and 3500 HD trucks. This authentic General Motors crankshaft pulley is engineered to drive the engine accessory belt system, delivering reliable power ...
MSRP $52.44
$34.04
MSRP $52.44
$34.04
29
Oil Pan GM
GM Description: Genuine GM OEM Oil Pan (MPN: 12725600) for Silverado and Sierra 2500 HD and 3500 HD diesel trucks equipped with 6.6L engines. This original equipment manufacturer replacement oil pan is engineered to safely contain and manage engine oil in heavy-duty diese ...
MSRP $129.82
$82.01
MSRP $129.82
$82.01
29
Oil Pan GM
GM Description: # Oil Pan - GM OEM Part 12738464
Upgrade your heavy-duty truck's engine performance with the Genuine GM OEM Oil Pan (MPN: 12738464), engineered specifically for Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models equipped with 6.6L diesel engine ...
MSRP $250.05
$156.10
MSRP $250.05
$156.10
30
Front Oil Pan Seal GM
GM Description: # OEM Front Oil Pan Seal - GM 12642251
The GM OEM Front Oil Pan Seal (MPN: 12642251) is an essential engine gasket designed to prevent oil leaks at the oil pan on heavy-duty trucks. This genuine General Motors part fits 2500 HD and 3500 HD model years of ...
MSRP $8.34
$5.66
MSRP $8.34
$5.66
31
Oil Pump Drive Gear GM
GM Description: The GM OEM Oil Pump Drive Gear (MPN: 12662371) is a genuine General Motors engine component engineered to deliver reliable oil circulation in heavy-duty trucks. This authentic GM part is specifically designed for Silverado and Sierra 2500 HD and 3500 HD mo ...
MSRP $60.57
$41.39
MSRP $60.57
$41.39
32
Oil Pump GM
GM Notes: Includes: Oil Pump Driven Gear.
Description: Upgrade your heavy-duty truck's engine performance with the Genuine GM OEM Oil Pump (MPN: 12731119), engineered for Silverado and Sierra 2500 HD and 3500 HD models manufactured from February 2023 onward. This critical engine component ensures proper oil ci ...
MSRP $177.55
$110.84
MSRP $177.55
$110.84
33
Oil Pump Screen GM
GM Description: Genuine GM OEM Oil Pump Screen (MPN: 12706083) is engineered to protect your engine's oil circulation system by filtering debris before it reaches critical lubrication components. This authentic General Motors replacement part ensures optimal oil flow and ...
MSRP $40.30
$26.17
MSRP $40.30
$26.17
34
Oil Cooler GM
GM Description: Genuine OEM GM Oil Cooler (MPN: 12738896) designed for heavy-duty cooling system performance in Silverado and Sierra 2500 HD and 3500 HD trucks equipped with 6.6L diesel engines. This lower component oil cooler maintains optimal engine temperature during d ...
MSRP $476.73
$313.21
MSRP $476.73
$313.21
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.