Engine for 2004 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
N/A
Cylinder Head Gasket 
GM
GM Description: GM Genuine Parts Cylinder Head Gasket (Part Number: 12589227) is a cylinder head gasket designed to seal the engine block to the cylinder head, preserving combustion chamber integrity and preventing coolant or oil leaks. Type: Cylinder head gasketFunction: ...
MSRP $101.48
$63.34
MSRP $101.48
$63.34
N/A
Engine Mount GM
GM Description: GM Genuine Parts Engine Mount (Part Number: 25828247) is an OE engine mount assembly intended to secure the engine to the vehicle frame and dampen vibration. Type: Engine Component PartsFunction: Secures engine position and isolates vibration from the chas ...
MSRP $233.09
$144.81
MSRP $233.09
$144.81
N/A
Engine Oil Cooler GM
GM Description: All models. 6.0l. 4.8, 5.3 & 6.0L, 6.0L. Hummer H2. Helps maintain proper engine oil operating temperatures
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
N/A
Engine Cylinder Head Gasket Kit with Gaskets and Seals GM
GM Description: GM Genuine Parts Engine Cylinder Head Gasket Kit with Gaskets and Seals (Part Number: 89017253) Type: Engine Component Parts — cylinder head gasket kit (gaskets & seals)Function: Provides sealing surfaces for cylinder head to block joint(s), intake/e ...
$468.97
$468.97
1
LQ9 Standard Cylinder Head GM
GM Description: All models. 6.0l. Without cng. Express, savana. 6.0l. Exc.Natural Gas Conversion. Hummer H2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $327.17
$203.64
MSRP $327.17
$203.64
3
Driver Side Rocker Arm Cover GM
GM Description: GM Genuine Parts Driver Side Rocker Arm Cover (Part Number: 12570427) is a valve rocker arm cover assembly that provides protection and containment for the valvetrain on the driver side of the engine. Type: Valve (rocker) arm cover assemblyFunction: Covers ...
MSRP $228.13
$141.72
MSRP $228.13
$141.72
3
Passenger Side Rocker Arm Cover GM
GM Description: GM Genuine Parts Passenger Side Rocker Arm Cover (Part Number: 12582224) is an OEM valve cover (rocker arm cover) assembly designed to seal the valve train area and provide mounting for ignition and PCV components when applicable. Manufactured to GM specif ...
MSRP $172.72
$107.79
MSRP $172.72
$107.79
4
Valve Cover Gasket GM
GM Description: GM Genuine Parts Valve Cover Gasket (Part Number: 12637683) is an OE valve rocker arm cover gasket designed to seal the valve cover and prevent oil leaks. Type: Gasket for valve rocker arm coverFunction: Provides a fluid-tight seal between valve cover and ...
MSRP $40.93
$27.26
MSRP $40.93
$27.26
5
Intake Valve GM
GM Description: GM Genuine Parts Intake Valve (Part Number: 12563063) is a valvetrain component that controls the flow of intake air into the engine combustion chamber. Function: Opens and closes to allow the proper air charge into the cylinder at the correct timing.Use: ...
MSRP $42.24
$28.13
MSRP $42.24
$28.13
6
Exhaust Valve GM
GM Description: ACDelco Exhaust Valve (Part Number: 12694167) is an emission-system engine valve designed for precise sealing of the exhaust port during engine cycles. Category: Engine Component PartsFunction: Controls exhaust gas flow from the combustion chamber to the e ...
MSRP $51.01
$33.97
MSRP $51.01
$33.97
7
Valve Seals GM
GM Description: GM Genuine Parts Valve Seals (Part Number: 12482063) are OEM valve stem oil seals provided as a kit to help control oil consumption and maintain valve stem lubrication behavior. Manufactured to GM engine component standards. Function: Seals around the valv ...
MSRP $64.69
$43.09
MSRP $64.69
$43.09
7
Valve Seals GM
GM Description: GM Genuine Parts Valve Seals (Part Number: 12482062) is a valve stem oil seal kit designed to control oil consumption and protect valve guides by sealing oil from entering the combustion chamber. Function: Prevents excess oil from passing down the valve st ...
MSRP $70.92
$47.25
MSRP $70.92
$47.25
8
Valve Spring GM
GM Description: ACDelco Valve Spring (Part Number: 12706568) is a replacement valve spring intended to provide correct valve seating force and timing control in the valve train. Category: Engine Component PartsFunction: Applies closing force to valves to ensure consistent ...
MSRP $7.93
$6.77
MSRP $7.93
$6.77
9
Valve Spring Cap GM
GM Description: GM Genuine Parts Valve Spring Cap (Part Number: 10166344) is a valve spring cap (retainer) intended for use in engine valve-train assemblies to retain springs and keepers. Type: Engine Component PartsFunction: Secures valve spring assembly components to ma ...
$24.77
$24.77
10
Valve Locks GM
GM Description: GM Genuine Parts Valve Locks (Part Number: 10166345) are OEM valve stem keys/keepers used to retain valves in the engine's valve train. Manufactured to GM factory quality. Function: Locks/keepers that secure the valve stem to the valve spring retainer.Appl ...
$50.72
$50.72
11
Valve Rocker Arm GM
GM Description: GM Genuine Parts Valve Rocker Arm (Part Number: 12681275) is an engine exhaust rocker arm assembly engineered to OEM standards for valve actuation on select GM trucks and SUVs. Type: Exhaust valve rocker arm assemblyApplication notes: Listed for Silverado, ...
MSRP $24.39
$18.06
MSRP $24.39
$18.06
12
LS-Series Steel Pushrod GM
GM Description: GM Genuine Parts LS-Series Steel Pushrod (Part Number: 10238852) is an OEM pushrod designed for LS-series engines to transfer camshaft motion to the valve train. Built to GM standards for dimensional control and durability. Function: Transfers valve actuat ...
MSRP $31.67
$23.47
MSRP $31.67
$23.47
13
Engine Hydraulic Valve Adjuster/Valve Lifter GM
GM Description: GM Genuine Parts Engine Hydraulic Valve Adjuster/Valve Lifter (Part Number: 17122490) is an OE hydraulic lifter used to maintain valve train clearance for proper valve operation. Type: Hydraulic valve lifter / valve adjusterFunction: Automatically adjusts ...
$282.09
$282.09
14
LS1/LQ9 Stock Camshaft GM
GM Description: GM Genuine Parts LS1/LQ9 Stock Camshaft (12561721) Function: Engine camshaft assembly for specified LS-family engines, responsible for valve timing and lift.Application notes: Fits multiple 5.7L and 6.0L applications (Corvette LS1, Express/Savana, Hummer H ...
MSRP $836.81
$518.00
MSRP $836.81
$518.00
15
Engine Camshaft Bearing GM
GM Description: Express, savana. All models. 5.7l. Corvette. No.2, no.4. Position-2,4. 1st Design. Engine Block Camshaft Hole is 58.90mm. Hummer H2. GTO.
16
Engine Front Cover Seal GM
GM Description: GM Genuine Parts Engine Front Cover Seal (Part Number: 12585673) is a front cover seal designed to prevent oil leaks between the engine front cover and block, helping maintain engine oil integrity. Type: Engine Component Parts – SealFunction: Seals the e ...
MSRP $44.32
$29.52
MSRP $44.32
$29.52
17
Gasket GM
GM Description: GM Genuine Parts Timing Cover Gasket (Part Number: 12633904) is an OE engine front cover gasket designed to seal the timing cover to the block and prevent oil leaks. Manufactured to GM sealing specifications. Type: Engine Component PartsFunction: Seals tim ...
MSRP $53.97
$35.95
MSRP $53.97
$35.95
18
Timing Cover GM
GM Description: GM Genuine Parts LS1/LS6 Front Timing Cover (Part Number: 12633906) is a front engine cover/timing cover assembly specified for LS-series engines to protect timing components and provide proper sealing. Type: Front timing cover assemblyFunction: Encloses t ...
MSRP $193.06
$119.94
MSRP $193.06
$119.94
20
Timing Chain GM
GM Description: GM Genuine Parts Timing Chain (Part Number: 12646387) is a GM OE timing chain that synchronizes crankshaft and camshaft rotation to maintain correct valve timing and engine operation. Type: Timing Chain AssemblyFunction: Keeps crankshaft and camshaft timin ...
MSRP $110.91
$69.22
MSRP $110.91
$69.22
21
LQ9 Production Piston Ring Set GM
GM Notes: Includes: One Standard Ring Set For One Piston.
Description: GM LQ9 Production Piston Ring Set (Part Number: 88894243) is an OEM piston ring kit produced to factory tolerances for reliable sealing in engine rebuilds. Type: Piston ring setFunction: Provides compression and oil control rings to restore cylinder sealin ...
MSRP $66.85
$44.54
MSRP $66.85
$44.54
23
Connecting Rod GM
GM Description: GM Genuine Parts Connecting Rod (Part Number: 12568734) is an engine connecting rod manufactured to OEM specifications for durability and dimension control. Type: Engine connecting rod assemblyFunction: Connects piston to crankshaft to transfer combustion ...
MSRP $146.33
$91.33
MSRP $146.33
$91.33
24
Bearing GM
GM Notes: Includes: One Standard Upper & Lower Bearing For One Rod.
Description: GM Genuine Parts Bearing (Part Number: 89017573) is a connecting-rod bearing kit intended for engine internal bearing replacement as part of bottom-end rebuild or maintenance. Type: Connecting rod bearing kitFunction: Provides bearing surfaces to support c ...
MSRP $25.77
$19.09
MSRP $25.77
$19.09
25
Bearing GM
GM Notes: Includes: One Standard Upper & Lower Bearing.
Description: GM Genuine Parts Bearing (Part Number: 89017571) is a crankshaft/main bearing kit component intended for engine assembly or repair. Manufactured to GM engineering standards. Function: Provides bearing support for crankshaft/main journals in engine assembli ...
MSRP $94.76
$59.13
MSRP $94.76
$59.13
25
Engine Crankshaft Thrust Washer GM
GM Notes: Includes: One Standard Upper & Lower Bearing.
Description: GM Genuine Parts Engine Crankshaft Thrust Washer (Part Number: 89017572) is a replacement thrust bearing/washer kit designed to control crankshaft endplay and maintain proper axial location of the crankshaft. Function: Maintains crankshaft axial positionin ...
MSRP $85.41
$56.90
MSRP $85.41
$56.90
26
Engine Crankshaft GM
GM Description: Engine code u. All models. 6.0l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
27
Crankshaft Rear Main Seal GM
GM Description: GM Genuine Parts Crankshaft Rear Main Seal (Part Number: 89060436) is an OE rear main seal kit designed to seal the crankshaft at the engine rear and help prevent oil leaks under heat and pressure. Type / Function: Rear main crankshaft oil seal — seals t ...
MSRP $42.81
$28.51
MSRP $42.81
$28.51
28
LS Rear Block Cover GM
GM Description: GM Genuine Parts LS Rear Block Cover (Part Number: 12639250) is a rear main seal housing/retainer assembly providing a mounting surface and seal for the engine's rear crankshaft area. Type: Rear main seal housing / seal retainerFunction: Supports and seals ...
MSRP $101.65
$63.43
MSRP $101.65
$63.43
29
Crankshaft Rear Oil Seal Housing Gasket GM
GM Description: GM Genuine Parts Crankshaft Rear Oil Seal Housing Gasket (Part Number: 12639249) is a rear main seal housing gasket designed to seal the crankshaft rear oil seal housing and prevent oil leaks. Function: Provides oil sealing at the crankshaft rear oil seal ...
MSRP $65.37
$43.55
MSRP $65.37
$43.55
31
Engine Oil Pan GM
GM Description: GM Genuine Parts Engine Oil Pan (Part Number: 12579273) is a factory oil pan assembly that collects and stores engine oil and includes the drain plug and related hardware where applicable. Function: Serves as the oil reservoir and mounting surface for oil- ...
MSRP $524.17
$324.47
MSRP $524.17
$324.47
32
Oil Pan Gasket GM
GM Description: GM Genuine Parts Oil Pan Gasket (Part Number: 12612350) is a replacement gasket intended to seal the engine oil pan to the block and prevent oil leaks. Manufactured to match OEM sealing surfaces and specifications. Function: Seals the oil pan to the engine ...
MSRP $84.64
$56.38
MSRP $84.64
$56.38
33
Oil Pump GM
GM Description: GM Genuine Parts Oil Pump (Part Number: 12710303, SKU: 12710303) is an engine oil pump designed to circulate engine oil to lubricate and cool moving components. Function: Delivers pressurized oil throughout the engine lubrication systemBenefit: Helps ensur ...
MSRP $180.40
$112.03
MSRP $180.40
$112.03
34
Engine Oil Pump Pickup Tube GM
GM Description: GM Genuine Parts Engine Oil Pump Pickup Tube (Part Number: 12563961) is an oil pickup assembly that supplies engine oil from the tank to the oil pump. Type: Oil pump pickup tube / screen assemblyFunction: Draws oil from the oil pan and supplies it to the e ...
MSRP $119.90
$74.82
MSRP $119.90
$74.82
35
Crankshaft Gear GM
GM Description: GM Crankshaft Gear (Part Number: 12556582) is an OEM crankshaft sprocket manufactured to factory specifications for timing and accessory drive applications. Type: Crankshaft timing sprocket / gearFunction: Drives timing components and/or accessory componen ...
MSRP $54.15
$36.07
MSRP $54.15
$36.07