Valve Train Components for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
Crankshaft Balancer 
GM
GM Description: GM Genuine Parts Crankshaft Balancer (Part Number: 12680364) is a crankshaft balancer (harmonic damper) manufactured to OEM specifications to control torsional vibrations and protect the drivetrain. Also known as: Crankshaft PulleyFunction: Dampens cranksh ...
MSRP $137.85
$86.05
MSRP $137.85
$86.05
2
Crankshaft Pulley Bolt GM
GM Notes: PARTS: Part cannot be reused/reinstalled.
Description: GM Genuine Parts Engine Crankshaft Pulley Bolt (Part Number: 11547372) is a factory-spec bolt used to secure the crankshaft harmonic balancer / pulley. Intended for specified supercharged and non-dry-sump engines. Function: Fastens the vibration damper / h ...
MSRP $42.87
$28.56
MSRP $42.87
$28.56
3
Engine Front Cover GM
GM Description: GM Genuine Parts Engine Front Cover (Part Number: 12691692) is a factory timing/front engine cover intended to enclose and protect the front valvetrain/timing components. Function: Protects timing components and provides sealing surfaces at the front of th ...
MSRP $100.73
$62.86
MSRP $100.73
$62.86
4
Front Crankshaft Engine Oil Seal GM
GM Description: GM Genuine Parts Front Crankshaft Engine Oil Seal (Part Number: 12634614) is a front crankshaft seal engineered to retain engine oil and prevent leaks at the crankshaft opening. Category: Engine Component PartsFunction: Seals crankshaft openings to withsta ...
MSRP $24.04
$17.80
MSRP $24.04
$17.80
4
Crankshaft Rear Oil Seal GM
GM Positions: Rear
Description: GM Genuine Parts Crankshaft Rear Oil Seal (Part Number: 12665076) is an OEM rear crankshaft sealing component designed to resist heat and pressure and help prevent engine oil leaks. Expanded term: Crankshaft (CR/SHF)Function: Seals the rear end of the cran ...
MSRP $44.52
$29.66
MSRP $44.52
$29.66
5
Camshaft Phaser Magnet GM
GM Description: GM Genuine Parts Camshaft Phaser Magnet (Part Number: 12675031) is an OEM magnet used with camshaft position actuators to ensure proper phaser positioning for variable valve timing (VVT) systems. Function: Assists in camshaft phaser positioning for accurat ...
MSRP $32.87
$24.35
MSRP $32.87
$24.35
6
Camshaft Position Actuator Magnet Gasket GM
GM Description: GM Genuine Parts Camshaft Position Actuator Magnet Gasket (Part Number: 12623437) is a GM Genuine Parts gasket used with the camshaft position actuator magnet cover to help seal the assembly and prevent oil leaks. Type: Engine Component PartsFunction: Seal ...
MSRP $17.11
$13.64
MSRP $17.11
$13.64
7
Valve Cover GM
GM Positions: Left
Description: GM Genuine Parts Driver Side Valve Rocker Arm Cover (Part Number: 12723317) is a valve rocker arm cover (valve cover) for the driver side of specified engines, providing sealing and protection for top-end valve train components. Function: Covers and seals ...
MSRP $109.99
$68.65
MSRP $109.99
$68.65
7
Valve Cover GM
GM Positions: Right
Description: GM Genuine Parts Valve Cover (Part Number: 12727455) is an engine top cover designed to protect valvetrain components and support proper sealing at the cylinder head. Function: Covers and protects rocker arms and other valvetrain components while providing ...
MSRP $120.12
$74.95
MSRP $120.12
$74.95
8
Valve Cover Gasket GM
GM Positions: Left
Notes: PARTS: Part included with valve cover.
Description: GM Genuine Parts Valve Cover Gasket (Part Number: 12619787) is a valve cover sealing gasket designed to maintain a leak-free seal between the valve cover and cylinder head. Function: Seals the valve cover to prevent oil leaks and protect valvetrain compone ...
MSRP $8.86
$7.06
MSRP $8.86
$7.06
9
MSRP $80.97
$53.96
9
MSRP $63.28
$42.17
10
Rubber Grommet with 60 mm Diameter, Round Top, and Bottom GM
GM Positions: Left
Notes: PARTS: Part included with insulator.
Description: GM Genuine Parts Rubber Grommet with 60 mm Diameter, Round Top, and Bottom (Part Number: 12591714) is an OEM engine valve cover grommet designed to provide sealing and vibration isolation. Type: Engine valve cover grommet (upper intake manifold sight shiel ...
MSRP $6.78
$5.78
MSRP $6.78
$5.78
11
Engine Oil Filler Tube GM
GM Description: GM Genuine Parts Engine Oil Filler Tube (Part Number: 12668614) is a factory replacement oil filler tube designed to provide a sealed service port for adding engine oil. Application: Specified for multiple gasoline engine displacements including 4.3L, 5.3L ...
MSRP $9.15
$7.27
MSRP $9.15
$7.27
12
Engine Oil Filler Cap O-Ring GM
GM Notes: PARTS: Part included with filler tube.
Description: GM Genuine Parts Engine Oil Filler Cap O-Ring (Part Number: 24100002) is an O-ring seal designed for the engine oil filler cap to help prevent oil leaks and ingress of contaminants. Type: Oil filler cap O-ring/sealFunction: Provides pressure- and contamina ...
$19.62
$19.62
13
Filler Cap GM
GM Description: 6.6L gas. Incl.Gasket. Stamped dexos 5w-30. 3.6L turbo.
MSRP $26.84
$17.45
MSRP $26.84
$17.45
15
Oil Pan GM
GM Description: 6.6L gas. Savana 2500. Express 2500. Tahoe. Suburban. Incl.Drain Plug,Drain Plug Gasket and Engine Oil Pump Pickup Tube. 6.2L. Express 3500. Savana 3500.
MSRP $293.72
$182.81
MSRP $293.72
$182.81
16
Engine Oil Level Indicator Switch GM
GM Notes: PARTS: Part included with oil pan.
Description: GM Genuine Parts Engine Oil Level Indicator Switch (Part Number: 12696433) is an OE oil level indicator switch assembly including seal, designed to monitor engine oil level. Function: Detects oil level and provides signal to vehicle monitoring systemsInclu ...
MSRP $16.21
$12.93
MSRP $16.21
$12.93
17
Engine Crankshaft Oil Deflector GM
GM Notes: PARTS: Part included with oil pan.
Description: 5.3 & 6.2L. 6.6L gas. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $54.85
$36.54
MSRP $54.85
$36.54
18
Drain Plug GM
GM Notes: PARTS: Part included with oil pan.
Description: GM Genuine Parts Drain Plug (Part Number: 55577568) is a factory oil pan drain plug designed for engine oil service. Function: Seals the engine oil pan drain opening and allows service draining when removed.Also known as: Engine Oil Drain PlugService Type: ...
MSRP $16.13
$12.86
MSRP $16.13
$12.86
19
Oil Filter GM
GM Notes: PARTS: Part included with oil pan.
Description: ACDelco Filter (Part Number: 12735811) is an oil filter element intended for engine lubrication system service. Type: Oil filterFunction: Filters oil to remove contaminants and protect engine componentsQuality: ACDelco oil filter manufactured to specificat ...
$100.20
$100.20
20
Oil Filter Connector GM
GM Notes: PARTS: Part included with oil pan.
Description: GM Genuine Parts Oil Filter Connector (Part Number: 12600225) is a fitting or adapter used with engine oil filter housings and mounting systems. Function: Connects oil filter housing or adapter components to the engine lubrication system.Application: Used ...
MSRP $14.23
$11.34
MSRP $14.23
$11.34
21
Engine Oil Dipstick GM
GM Description: GM Genuine Parts Engine Oil Dipstick (Part Number: 12664925) is an OE engine oil level indicator (dipstick) intended to provide accurate oil level readings for specified V6 and V8 engines. Function: Allows visual measurement of engine oil level for mainten ...
MSRP $19.01
$14.08
MSRP $19.01
$14.08
22
Multi-Purpose O-Ring GM
GM Notes: PARTS: Part included with dipstick.
Description: GM Genuine Parts Multi-Purpose O-Ring (Part Number: 24504031)Type: Seal / O‑ringMaster description: SEAL-OIL LVL IND (O RING) — oil level indicator O‑ring sealFunction: Helps prevent leaks in engine components such as dipstick tube or oil-level indi ...
MSRP $0.67
$0.57
MSRP $0.67
$0.57
23
Oil Tube GM
GM Description: GM Tube (Part Number: 12734060, SKU: 12734060) is an OEM oil-level indicator tube assembly intended for use as a factory replacement. Purpose: Serves as the oil level indicator tube assembly to route and position the dipstick and provide accurate oil-level ...
MSRP $13.19
$10.50
MSRP $13.19
$10.50
25
Intake Manifold Assembly GM
GM Description: GM Genuine Parts Intake Manifold Assembly (Part Number: 12639087) is a complete intake manifold assembly specified for high-displacement V8 engines. Manufactured to GM engine assembly standards. Function: Distributes intake air to engine cylinders and prov ...
MSRP $214.25
$133.10
MSRP $214.25
$133.10
26
Engine Intake Manifold Gasket GM
GM Description: GM Genuine Parts Engine Intake Manifold Gasket (Part Number: 12626354) is an OEM intake manifold gasket engineered to seal the intake manifold-to-head junction to prevent vacuum leaks and ensure proper engine operation. Function: Creates an effective seal ...
$73.90
$73.90
27
Manifold Cover GM
GM Description: GM Genuine Parts Cover (Part Number: 12724936) is a factory intake manifold cover component intended to protect and seal the intake manifold area. Purpose: Covers and protects intake manifold components; preserves engine bay appearance and helps channel ai ...
MSRP $122.83
$76.65
MSRP $122.83
$76.65