Engine for 2003 Chevrolet Corvette
No.
Part # / Description / Price
Price
N/A
Cylinder Head Gasket 
GM
GM Description: GM Genuine Parts Cylinder Head Gasket (Part Number: 12589226) is a GM Genuine cylinder head gasket engineered to seal the combustion chamber, coolant passages, and oil passages between the block and head. Produced to original equipment standards for proper ...
MSRP $76.53
$50.98
MSRP $76.53
$50.98
N/A
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
N/A
Engine Mount GM
GM Description: GM Genuine Parts Engine Mount (Part Number: 15254700) is a factory engine mount assembly designed to secure the engine to the vehicle frame and help isolate vibration. Type: Engine mount assemblyFunction: Secures the engine, reduces vibration transmission ...
MSRP $139.85
$87.28
MSRP $139.85
$87.28
3
Passenger Side Rocker Arm Cover GM
GM Positions: Right
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 Positions: Left
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 Positions: Left
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
8
Valve Springs GM
GM Description: GM Genuine Parts Valve Springs (Part Number: 12713265) are OEM valve springs intended to provide correct valve seating, lift control, and durability for high-performance and supercharged engine applications. Manufactured to GM specifications for proper spr ...
MSRP $14.17
$11.29
MSRP $14.17
$11.29
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 ...
$73.40
$73.40
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
14
LS6 Camshaft GM
GM Description: GM Genuine Parts LS6 Camshaft (Part Number: 12565308) is a camshaft assembly engineered for LS6 and performance applications to control valve timing and lift. Function: Converts cam profile into valve motion to control intake and exhaust timing for engine ...
MSRP $756.66
$468.37
MSRP $756.66
$468.37
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
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
19
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
LS1 and LS6 5.7L Hypereutectic Aluminum Piston GM
GM Notes: Includes: One Piston And Pin.
Description: 5.7l. Standard. Corvette. GTO. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$184.17
$184.17
22
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
23
Bearing GM
GM Notes: Includes: One 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
24
Engine Crankshaft Thrust Washer GM
GM 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
24
Bearing GM
GM 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
26
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
27
Crankshaft Balancer GM
GM Description: GM Genuine Parts Crankshaft Balancer (Part Number: 12560115) is an OE harmonic balancer/vibration damper that mounts to the crankshaft to reduce torsional vibration. Type: Engine Component PartsFunction: Damps crankshaft torsional vibrations to protect bea ...
MSRP $194.16
$120.63
MSRP $194.16
$120.63
30
LS6 Corvette Oil Pan GM
GM Description: Corvette. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
MSRP $1,850.01
$1,416.30
MSRP $1,850.01
$1,416.30
31
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
31
Oil Pan Gasket GM
GM Description: GM Genuine Parts Oil Pan Gasket (Part Number: 12562020) is a lower oil pan gasket intended to seal the oil pan to the engine block. Function: Seals oil pan joint to prevent oil leaks and maintain proper oil containment.Application: Lower oil pan gasket for ...
$79.19
$79.19
32
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
33
Oil Pick-Up GM
GM Description: GM Genuine Parts Oil Pick-Up (Part Number: 12624497) is an engine oil pump screen and pickup assembly designed to supply oil from the sump to the oil pump while filtering debris. Category: Engine Component PartsFunction: Draws engine oil from the oil pan a ...
MSRP $77.96
$51.94
MSRP $77.96
$51.94
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.