Engine for 1999 GMC Sierra 2500
No.
Part # / Description / Price
Price
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
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
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
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
7
Valve Seals GM
GM Description: GM Genuine Parts Valve Seals (Part Number: 12533586) is a valve stem oil seal kit used to control oil consumption past the valve guides and stems for proper combustion and lubrication. Function: Provides sealing around valve stems to control oil flow to th ...
MSRP $38.28
$25.50
MSRP $38.28
$25.50
7
Valve Seals GM
GM Description: GM Genuine Parts Valve Seals (Part Number: 12457652, SKU: 12457652) is a kit of valve stem seals used to control oil flow to the valve stems and prevent excessive oil consumption. Function: Controls oil flow around valve stems to limit oil combustion and m ...
MSRP $30.67
$22.73
MSRP $30.67
$22.73
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
Engine Camshaft GM
GM Description: GM Genuine Parts Engine Camshaft (Part Number: 12560967) is a factory camshaft manufactured to GM engine specifications for proper valve timing and durability. Type: Engine CamshaftFunction: Controls valve opening and closing events to support engine perfo ...
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
22
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