Engine Assembly-Cylinder Head & Related Parts fit your 2003 GMC Sierra 2500 4WD

Currently shopping for

2003 GMC Sierra 2500 4WD

Change Vehicle

Categories Close X

Currently selected

Engine

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers

Cooling System, Grille, Oil System

Frames, Springs, Shocks, Bumpers

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transfer Case

Transmission - Automatic

Transmission - Manual

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

BOLT, Hex
11570082
BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(VALVE LIFTER GUIDE RETAINER)
Require Quantity: 04
Package Quantity: 10
$8.00 $5.08
10
Add To Cart
11515755
BOLT, HEXAGON,M8X1.25X16,15 THREAD,18 O.D.,10.9,7114M(EXHAUST MANIFOLD HEAT SHIELD)(TOGETHER WITH 12345493 REPLCS 25534835)
- Require Quantity: 04
- Package Quantity: 1
$13.05
1
Add To Cart
11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(SECONDARY AIR INJECTION PIPE)
- Require Quantity: 02
- Package Quantity: 10
$7.50 $4.53
10
Add To Cart
11515763
BOLT, HEX FLANGED HEAD,M10X1.5X16,21.5 O.D.,MACHINE POINT,9.8,7114(EGR VALVE PIPE CLIP)
$7.39 $4.69
1
Add To Cart
11519122
BOLT, HEX FLANGED HEAD,M10X1.5X35,20.15 OUTSIDE DIAMETER,30.5 THREAD,10.9,7114M,INTAKE 6 LOBED SOCKET-T50(ENGINE LIFT REAR BRACKET)
$4.80 $3.04
1
Add To Cart

11570082
BOLT, Intake & Exhaust Manifold, BOLT,EXHAUST MANIFOLD(M8X1.25X22X19)(8.900)
- Require Quantity: 02
- Package Quantity: 10
$8.00 $5.08
10
Add To Cart

12608814
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)
$57.90 $30.69
1
Add To Cart

12608814
SENSOR, Computer Control Sensors, SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)(1.150)
$57.90 $30.69
1
Add To Cart

LIFTER, Engine Valve Lifter
12648846
LIFTER, VALVE(NON-ACTIVE LIFTERS)
Fitting Vehicle Options: CK1,2(LM7)
Require Quantity: 16
Package Quantity: 1
Replaced By: 12698945
$49.82 $30.10
1
Add To Cart
17122490
LIFTER, VALVE(HYDRAULIC, ROLLER, NON-ACTIVE FUEL MANAGEMENT LIFTER)(COMPLETE ASSEMBLY)
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
- Require Quantity: 16
- Package Quantity: 1
$60.54 $36.58
1
Add To Cart
97325546
LIFTER, VALVE(LIFTER CAN BLACK ENAMEL USED WITH EITHER PUSH RODS, 97367163 OR 97240416)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 16
- Package Quantity: 1
$70.30 $40.39
1
Add To Cart
17120060
LIFTER, VALVE
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 16
- Package Quantity: 1
- Replaced By: 12722012
$62.12 $37.53
1
Add To Cart
12721203
LIFTER, VALVE(HYDRAULIC, ROLLER, NON-ACTIVE FUEL MANAGEMENT LIFTER)(MERCH PACKING OF QTY 4)
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
$181.49 $114.83
1
Add To Cart

SPARK PLUG, Spark Ignition
19299585
SPARK PLUG, GASOLINE ENGINE IGNITION(PLATINUM PLUG)
Fitting Vehicle Options: CK1,2,3(LM7), CK1,2,3(LQ4)
Require Quantity: 08
Package Quantity: 1
$13.20 $7.36
1
Add To Cart
12679800
SPARK PLUG, GASOLINE ENGINE IGNITION(PLATINUM PLUG)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$12.98 $7.24
1
Add To Cart

GASKET, Engine Camshaft & Valve Rocker Cover
12637683
GASKET, VALVE ROCKER ARM COVER(PART OF 9,36)(*KIT1)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 02
Package Quantity: 1
$34.05 $21.63
1
Add To Cart
12557831
GASKET, VALVE ROCKER ARM COVER BOLT(GRAY)(0.413)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 14
- Package Quantity: 1
$13.24 $8.00
1
Add To Cart
97188896
GASKET, VALVE ROCKER ARM COVER(LOWER COVER TO HEAD)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 02
- Package Quantity: 1
$83.05 $50.18
1
Add To Cart
12559597
GASKET, VALVE ROCKER ARM COVER(PART OF 520)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 02
- Package Quantity: 1
$36.54 $23.21
1
Add To Cart

BOLT, Engine Cylinder Head
12558840
BOLT, CYL HEAD(SHORT)(M8X1.25X45)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 10
Package Quantity: 1
$5.95 $3.59
1
Add To Cart
11588291
BOLT, CYL HEAD(M11X2.0X155)
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
- Require Quantity: 16
- Package Quantity: 1
$10.53 $6.35
1
Add To Cart
12560745
BOLT, CYL HEAD(M11X2.0X100.0-6G THREAD)(W/ADHESIVE PATCH)
- Fitting Vehicle Options: CK1,2(LM7)
- Require Quantity: 04
- Package Quantity: 5
$6.28 $3.78
5
Add To Cart
12560745
BOLT, CYL HEAD(SHORT)(M11X2.0X100.0-6G THREAD)(W/ADHESIVE PATCH)
- Fitting Vehicle Options: CK1,2,3(LQ4)
- Require Quantity: 04
- Package Quantity: 5
$6.28 $3.78
5
Add To Cart
11610681
BOLT, CYL HEAD(M12 X 121MM FLANGE)(UPPER)(WHEN REPLACING ONE BOLT; ALL MUST BLACK ENAMEL REPLACED)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 36
- Package Quantity: 1
$10.21 $6.49
1
Add To Cart
97355741
BOLT, CYL HEAD(LOWER)(M8 X 90MM HEXAGON SOCKET)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 08
- Package Quantity: 1
$13.05
1
Add To Cart
11519111
BOLT, CYL HEAD(M10X1.5X103)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 24
- Package Quantity: 1
$8.69 $5.25
1
Add To Cart
11519112
BOLT, CYL HEAD(M10X1.5X86)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 04
- Package Quantity: 1
$7.50 $4.53
1
Add To Cart
11519113
BOLT, CYL HEAD(M10X1.5X52)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$7.72 $4.66
1
Add To Cart

12589430
CAP, Engine Oil Filler, CAP,OIL FILLER(SAE 5W30, VENTED, W/SEAL)(INCLUDES 39)
$43.07 $22.82
1
Add To Cart

SEAL KIT, Engine Valve
12482063
SEAL KIT, INTAKE VALVE STEM OIL(W/SPRING SHIM)(14.4MM)(CONTAINS 8 SEALS)
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
$60.23 $36.39
1
Add To Cart
12482062
SEAL KIT, EXHAUST VALVE STEM OIL(22.8MM)(CONTAINS 8 SEALS)
- Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
$66.04 $37.95
1
Add To Cart

GUIDE, Engine Valve Push Rod Cover
12595365
GUIDE, VALVE LIFTER(ACCOMMODATES 4 VALVE LFTRS EACH,WITH SIDE GROOVES)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 04
Package Quantity: 1
$17.43 $10.54
1
Add To Cart
12551397
GUIDE, VALVE LIFTER(ACCOMMODATES 2 VALVE LFTRS EACH)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 10
$5.16 $3.27
10
Add To Cart
12562369
GUIDE, VALVE LIFTER PUSH ROD
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$12.60
1
Add To Cart
97240845
GUIDE, VALVE LIFTER
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 08
- Package Quantity: 1
$21.86 $13.21
1
Add To Cart

ARM, Engine Valve Rocker
12681275
ARM, VALVE ROCKER
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
Require Quantity: 16
Package Quantity: 1
$22.71 $13.72
1
Add To Cart
97365293
ARM, VALVE ROCKER(INTAKE)(INCLUDES 4,7)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 08
- Package Quantity: 1
$162.59 $80.63
1
Add To Cart
12556298
ARM, VALVE ROCKER
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 16
- Package Quantity: 1
$41.96 $25.34
1
Add To Cart
97328661
ARM, VALVE ROCKER(EXHAUST)(INCLUDES 4,7)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 08
- Package Quantity: 1
$176.72 $111.81
1
Add To Cart

WIRE KIT, Spark or Glow Plug Ignition
19351572
WIRE KIT, SPARK PLUG(7MM DIAMETER, 10.5IN LG)(CONTAINS 8 WIRES)(USED W/COILS STAMPED 12558693-MELCO COIL)
Fitting Vehicle Options: CK1,2(LM7)
Replaced By: 19417607
$171.34 $76.76
1
Add To Cart
19351572
WIRE KIT, SPARK PLUG(USED W/COILS STAMPED 12558693-MELCO COIL, 7MM DIAMETER, 10.5IN LG)(CONTAINS 8 WIRES)
- Fitting Vehicle Options: CK1,2,3(LQ4)
- Replaced By: 19417607
$171.34 $76.76
1
Add To Cart
19417606
WIRE KIT, SPARK PLUG(COILS STAMPED 19005218-DELPHI COIL, 7MM DIAMETER, 9.2IN LG)(CONTAINS 8 WIRES)
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
$159.62 $71.51
1
Add To Cart

COVER, Engine Valve Rocker & Camshaft
12570427
COVER, VALVE ROCKER ARM(INCLUDES 4,5,10)(INCLUDES:COVER,GASKET,BOLT,DEFLECTOR,FITTING)(REMOVE PCV VALVE AND CONNECT HOSE TO VALVE COVER PORTION WHEN USING TO REPLACE PART NUMBER-12561820)
Location: Driver Side
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
$202.36 $128.03
1
Add To Cart
12582224
COVER, VALVE ROCKER ARM(INCLUDES 4,10)(INCLUDES:COVER,GASKET,BOLT,CONNECTOR,FITTING,BAFFLE,CAP)(WHEN REPLACING COVER, TRIM EXISTING PCV HOSE TO FIT OR USE PCV HOSE 12582227)(IF REPLACING 2-PORTION VALVE COVER, PLUG LOOSE PCV HOSE.)
- Location: Passenger Side
- Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
$160.89 $102.23
1
Add To Cart
12570555
COVER, VALVE ROCKER ARM(INCLUDES 517)(INCLUDES COVER,GASKET)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 02
- Package Quantity: 1
$171.97 $82.34
1
Add To Cart
97223559
COVER, VALVE ROCKER ARM(UPPER)(INCLUDES 12,52,53)(USE SILICONE SEALANT P/N 12378521)(INCLUDES PCV DIAPHRAGM VALVE)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 02
- Package Quantity: 1
$1629.48 $1209.08
1
Add To Cart
97223425
COVER, VALVE ROCKER ARM(LOWER)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 02
- Package Quantity: 1

BOLT, Engine Camshaft & Valve Rocker Cover
12577215
BOLT, VALVE ROCKER ARM COVER(PART OF 9,36)(M6.0X1.0)(W/GROMMET,SLEEVE)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 08
Package Quantity: 1
$7.48 $4.75
1
Add To Cart
12559598
BOLT, VALVE ROCKER ARM COVER(M6X1.0XX26)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 14
- Package Quantity: 1
$13.59 $8.64
1
Add To Cart
94199279
BOLT, VALVE ROCKER ARM SHAFT OIL DEFLECTOR(8.143)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 12
- Package Quantity: 1
$0.16 $0.10
1
Add To Cart
97372245
BOLT, VALVE ROCKER ARM COVER(LOWER COVER TO HEAD)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 24
- Package Quantity: 1
$13.05
1
Add To Cart
97312621
BOLT, VALVE ROCKER ARM COVER(TO UPPER COVER)(M6-1X20 W/ROUND TIP)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 22
- Package Quantity: 1
$2.61 $1.66
1
Add To Cart

ROD, Engine Valve Push Rod
10238852
ROD, VALVE PUSH
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 16
Package Quantity: 1
$30.29 $18.31
1
Add To Cart
12556295
ROD, VALVE PUSH(INTAKE)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$24.63 $14.87
1
Add To Cart
12556296
ROD, VALVE PUSH(EXHAUST)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$23.00 $13.89
1
Add To Cart
97240416
ROD, VALVE PUSH(NOTE PUSH ROD HAS HOLES IN ENDS.ROD CAN BLACK ENAMEL USED TO REPLACE PUSH ROD WITHOUT HOLES IN ENDS/ P/N 97367163.")
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 16
- Package Quantity: 1
$16.33 $10.23
1
Add To Cart

GASKET, Engine Cylinder Head
12589227
GASKET, CYL HEAD(NEW HEAD BLTS REQ'D WHEN HEAD IS REMOVED)(*KIT1)
Fitting Vehicle Options: CK1,2,3(LQ4)
Require Quantity: 02
Package Quantity: 1
$90.49 $57.51
1
Add To Cart
12637785
GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(1.05+/- 0.050 MM)(GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LB7)
$112.69 $68.07
1
Add To Cart
12637788
GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LB7)
$112.68 $75.52
1
Add To Cart
12575329
GASKET, CYL HEAD(*KIT1)
- Fitting Vehicle Options: CK1,2(LM7)
- Require Quantity: 02
- Package Quantity: 1
$69.23 $44.01
1
Add To Cart
12637790
GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE A)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LB7)
$65.43 $41.59
1
Add To Cart
12558163
GASKET, CYL HEAD
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(L18)
$57.14 $36.32
1
Add To Cart
12558164
GASKET, CYL HEAD
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(L18)
$67.00 $40.48
1
Add To Cart
12637786
GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE B)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LB7)
$65.13 $39.35
1
Add To Cart
12637787
GASKET, CYL HEAD(GRADE A)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LB7)
$76.05 $47.67
1
Add To Cart
12637789
GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE B)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LB7)
$85.38 $40.88
1
Add To Cart
98040128
GASKET, CYL HEAD(OVERBORED)(DO NOT USE SERVICE MANUAL TORQUES/NEW TORQUE SPECIAL WILL BLACK ENAMEL INCLUDED)(.75MM OVERSIZED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LB7)
$165.46 $66.55
1
Add To Cart
98040130
GASKET, CYL HEAD(OVERBORED)(DO NOT USE SERVICE MANUAL TORQUES/NEW TORQUE SPECIAL WILL BLACK ENAMEL INCLUDED)(.75MM OVERSIZED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LB7)
$161.20 $77.18
1
Add To Cart

12574660
TUBE, Engine Crankcase Ventilation, TUBE,PCV(INCLUDES 19)(INCLUDE VALVE)
$64.90 $34.40
1
Add To Cart

12552203
SUPPORT, Engine Valve Adjusting, SUPPORT,VALVE ROCKER ARM PIVOT
- Require Quantity: 02
- Package Quantity: 1
$80.61 $51.23
1
Add To Cart

11609746
NUT, Exhaust Manifold Bolt, NUT,EXHAUST MANIFOLD(M8X1.25,8.9THK)(8.917)
- Require Quantity: 14
- Package Quantity: 12
$4.42 $2.67
12
Add To Cart

12574386
TUBE, Engine Crankcase, TUBE,OIL FILLER
$85.44 $49.10
1
Add To Cart

11516480
BOLT, Ignition Coil Mounting, BOLT,IGNITION COIL(M6X1X25-10MM SOCKET)
- Require Quantity: 16
- Package Quantity: 1
$12.60
1
Add To Cart

12554211
STUD, Ignition Coil Mounting, STUD,IGNITION COIL BRACKET(HEX FLANGED HEAD,M6X1X18)(M6X1X18.5X14)(3.330)
- Require Quantity: 10
- Package Quantity: 1
$14.14 $7.49
1
Add To Cart

KEY, Valve Stem
10166345
KEY, VALVE STEM
Fitting Vehicle Options: CK1,2(LM7)
Require Quantity: 32
Package Quantity: 10
$5.17 $3.28
10
Add To Cart
94239501
KEY, VALVE STEM
- Fitting Vehicle Options: CK2,3(LB7,M74,NF2)
- Require Quantity: 64
- Package Quantity: 1
$2.68 $1.71
1
Add To Cart

KEY, Engine Valve Spring Cap
10166345
KEY, VALVE STEM
Fitting Vehicle Options: CK1,2,3(LQ4)
Require Quantity: 32
Package Quantity: 10
$5.17 $3.28
10
Add To Cart
3947880
KEY, VALVE STEM
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 32
- Package Quantity: 25
$2.11 $1.76
25
Add To Cart

SPRING, Engine Valve
12706568
SPRING, VALVE
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
Require Quantity: 16
Package Quantity: 1
$7.39 $4.63
1
Add To Cart
12565763
SPRING, VALVE
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 16
- Package Quantity: 1
$8.49 $5.40
1
Add To Cart
98025825
SPRING, VALVE(NOTE:"WHEN USED IN PLACE OF 97225124,REPLACE ALL INTAKE AND EXHAUST SPRINGS AND CAPS(97329106)ON AFFECTED BANK)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 32
- Package Quantity: 1
$28.51 $17.24
1
Add To Cart

PLUG, Engine Cylinder Head
11610259
PLUG, CYL HEAD CORE HOLE(M12X1.5X21.2)(HEXAGON,SOCKET)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
$11.14 $6.72
1
Add To Cart
11562126
PLUG, CYL HEAD CORE HOLE(PRESSURE IN CUP)(PART OF 14)(CUP,32.03X7.88X1.27, S30400 STAINLESS STEEL PER SAE J405.)
- Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
- Require Quantity: 02
- Package Quantity: 10
$4.17 $2.65
10
Add To Cart
94032652
PLUG, CYL HEAD CORE HOLE(PART OF 25)(28MM O.D.)(0.034)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 02
- Package Quantity: 1
$2.31 $1.38
1
Add To Cart

VALVE, Exhaust
12563064
VALVE, EXHAUST(STD)
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)(EXC KL5)
Require Quantity: 08
Package Quantity: 1
Replaced By: 12694167
$37.36 $22.58
1
Add To Cart
12558849
VALVE, EXHAUST(STD)(OS)
- Fitting Vehicle Options: CK2,3(L18)(EXC NM2)
- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 19433168
$99.21 $63.05
1
Add To Cart
12558295
VALVE, EXHAUST(STD)
- Fitting Vehicle Options: CK1,2,3(LQ4,KL5)
- Require Quantity: 08
- Package Quantity: 1
$63.52 $40.37
1
Add To Cart
12559084
VALVE, EXHAUST(0.003 OVERSIZE)
- Fitting Vehicle Options: CK2,3(L18)(EXC NM2)
- Require Quantity: 08
- Package Quantity: 1
$84.42 $38.99
1
Add To Cart
12559086
VALVE, EXHAUST(0.030" OS)
- Fitting Vehicle Options: CK2,3(L18)(EXC NM2)
- Require Quantity: 08
- Package Quantity: 1
$83.25 $38.22
1
Add To Cart
19206511
VALVE, EXHAUST(0.015 OVERSIZE)
- Fitting Vehicle Options: CK2,3(L18)(EXC NM2)
- Require Quantity: 08
- Package Quantity: 1
$128.81 $81.86
1
Add To Cart
97366946
VALVE, EXHAUST
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 16
- Package Quantity: 1
$74.52 $36.97
1
Add To Cart
12562954
VALVE, EXHAUST(0.015" OVERSIZE)
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)(EXC KL5)
- Require Quantity: 08
- Package Quantity: 1

19418993
COIL, Ignition Coil, COIL,IGNITION(STAMPED 12556393)(CONSISTS OF A COIL ONLY)
- Require Quantity: 08
- Package Quantity: 1
$124.80 $59.40
1
Add To Cart

24100002
SEAL, Engine Crankcase, SEAL,OIL FILLER TUBE(O RING)(27.94MM INNER DIAMETER)(SIZE #320)
- Require Quantity: 02
- Package Quantity: 5
$5.47 $2.72
5
Add To Cart

24100002
SEAL, Engine Oil Filler, SEAL,OIL FILLER CAP(O RING)(PART OF 40)(27.94MM INNER DIAMETER)(SIZE #320)(1.745)
- Require Quantity: 02
- Package Quantity: 5
$5.47 $2.72
5
Add To Cart

SEAL, Fuel Injector
94051259
SEAL, FUEL INJECTOR NOZZLE HOUSING(O RING)(PART OF 25)(1.531)
Require Quantity: 16
Package Quantity: 10
$3.84 $2.14
10
Add To Cart
97225457
SEAL, FUEL INJECTOR(PART OF 11)
- Require Quantity: 08
- Package Quantity: 1
$29.58 $17.86
1
Add To Cart

10198949
GROMMET, Engine Crankcase, GROMMET,PCV VALVE(PART OF 9)
$11.50 $7.30
1
Add To Cart

12551163
BOLT, Engine Valve Lifter, BOLT,VALVE LIFTER GUIDE(M6X1.0X19)
- Require Quantity: 04
- Package Quantity: 10
$6.82 $4.34
10
Add To Cart

VALVE, Intake
12564494
VALVE, INTAKE(STD)
Fitting Vehicle Options: CK1,2(LM7)
Require Quantity: 08
Package Quantity: 1
$34.46 $20.82
1
Add To Cart
12563063
VALVE, INTAKE(STD)
- Fitting Vehicle Options: CK2,3(LQ4,M32), CK2,3(LQ4,MW3), CK1,2,3(LQ4,MT1)(EXC KL5)
- Require Quantity: 08
- Package Quantity: 1
$39.32 $23.75
1
Add To Cart
12556317
VALVE, INTAKE(STD)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$55.59 $35.32
1
Add To Cart
12562952
VALVE, INTAKE(0.015" OVERSIZE)
- Fitting Vehicle Options: CK2,3(LQ4,MW3), CK1,2,3(43)(LQ4,MT1)(EXC KL5)
- Require Quantity: 08
- Package Quantity: 1
$175.48 $37.97
1
Add To Cart
12564338
VALVE, INTAKE(STD)
- Fitting Vehicle Options: CK1,2,3(LQ4,MT1,KL5)
- Require Quantity: 08
- Package Quantity: 1
$34.49 $27.58
1
Add To Cart
12638805
VALVE, INTAKE
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 16
- Package Quantity: 1
$44.41 $26.84
1
Add To Cart
19206512
VALVE, INTAKE(0.015" OVERSIZE)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 08
- Package Quantity: 1
$33.73 $20.38
1
Add To Cart

12556932
HOSE, Engine Crankcase Ventilation, HOSE,PCV
$82.66 $34.72
1
Add To Cart

PIN, Engine Cylinder Head
12570326
PIN, CYL HEAD LOCATING
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
Require Quantity: 04
Package Quantity: 1
$7.39 $4.46
1
Add To Cart
12558081
PIN, CYL HEAD LOCATING(1/2 X 5/8 O.D.)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 04
- Package Quantity: 5
$4.34 $2.61
5
Add To Cart

BOLT, Engine Valve Rocker Arm Shaft
12560961
BOLT, VALVE ROCKER ARM PIVOT SUPPORT(M8X1.25X52.5)
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4)
Require Quantity: 16
Package Quantity: 1
$9.27 $5.89
1
Add To Cart
94011951
BOLT, VALVE ROCKER ARM(BRACKET)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 05
- Package Quantity: 1
$30.19 $18.24
1
Add To Cart

12638257
PAD, Valve Stem, PAD,VALVE STEM BRIDGE
- Require Quantity: 16
- Package Quantity: 1
$7.40 $4.69
1
Add To Cart

97226202
GLOW PLUG, Spark Ignition, GLOW PLUG,(INCLUDES 54)(GLOW PLUG)
- Require Quantity: 08
- Package Quantity: 1
$35.06 $19.55
1
Add To Cart

HEAD, Engine Cylinder
12562319
HEAD, CYL(PARTIAL)(INCLUDES 20,22)(INCLUDES HEAD,GUIDES,SEATS,PLUG)
Fitting Vehicle Options: CK1,2,3(LQ4)(EXC KL5)
Require Quantity: 02
Package Quantity: 1
$751.05 $473.06
1
Add To Cart
12581476
HEAD, CYL(INCLUDES SEATS,GUIDES)(MUST USE TOGETHER WITH 11609296)("USE SILVER INTAKE BOLTS WHEN USING INTAKE GASKET WITHOUT SNOUTS,USE BLACK INTAKE BOLTS WHEN USING GASKET WITH SNOUTS)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(L18)
$984.75 $761.70
1
Add To Cart
12581477
HEAD, CYL(INCLUDES SEATS,GUIDES)(MUST USE TOGETHER WITH 11609296)("USE SILVER INTAKE BOLTS WHEN USING INTAKE GASKET WITHOUT SNOUTS,USE-BLACK INTAKE BOLTS WHEN USING GASKET WITH SNOUTS)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(L18)
$368.66 $286.45
1
Add To Cart
97779580
HEAD, CYL(INCLUDES:VALVE GUIDE,PLUGS/HOUSING,FUEL INJECTION NOZZLE/ADAPTER,SEAL/VALVE SEAT)(INCLUDES 17-20,26,27,29,30)
- Fitting Vehicle Options: CK2,3(LB7,NC1,NB6)
- Require Quantity: 02
- Package Quantity: 1
$2603.59 $1639.88
1
Add To Cart
12578925
HEAD, CYL(INCLUDES 20,22)(EXCEPT VALVES)
- Fitting Vehicle Options: CK1,2(LM7)
- Require Quantity: 02
- Package Quantity: 1
$854.96 $538.50
12685691
HEAD, CYL(PARTIAL)(INCLUDES 20,22)
- Fitting Vehicle Options: CK1,2,3(LQ4,MT1,KL5)
- Require Quantity: 02
- Package Quantity: 1
97779578
HEAD, CYL(INCLUDES 17-20,26,27,29,30)(INCLUDES GUIDES, SEATS, INJECTOR HOUSING)
- Fitting Vehicle Options: CK2,3(LB7,NF2,NF4)
- Require Quantity: 02
- Package Quantity: 1

97726512
PIN, Engine Valve Rocker Arm Shaft, PIN,VALVE ROCKER ARM SHAFT SUPPORT LOCATING(PART OF 25)
- Require Quantity: 04
- Package Quantity: 10
$3.13 $1.98
10
Add To Cart

12575742
COVER, Engine Fuel Intake Manifold, COVER,ENGINE BLOCK VALLEY(SEE GROUP 00.000 "MANIFOLD & FUEL RELATED PARTS" FOR DETAILED ILLUSTRATED VIEW)
$515.95 $326.44

11601765
NUT, Spark Ignition, NUT,GLOW PLUG CONDUCTOR(PART OF 24)(2.559)
- Require Quantity: 08
- Package Quantity: 1
$7.38 $4.69
1
Add To Cart

STUD, Intake & Exhaust Manifold
11609296
STUD, EXHAUST MANIFOLD(STRAIGHT,M8X1.25X30,M8X1.25XX12.5,EXTERNAL)(USED AT #1,2,3,5,6,7,8 RH & 1,2,3,4,6,7,8 LH)
Fitting Vehicle Options: CK2,3(L18)
Require Quantity: 14
Package Quantity: 10
$6.82 $4.33
10
Add To Cart
94340628
STUD, INTAKE MANIFOLD
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 04
- Package Quantity: 1
$6.67 $4.46

RETAINER, Engine Valve Lifter
12551399
RETAINER, VALVE LIFTER GUIDE(1 PC)(RESTRICTOR)
Fitting Vehicle Options: CK2,3(L18)
$30.09 $19.12
1
Add To Cart
12667021
RETAINER, VALVE LIFTER GUIDE
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 04
- Package Quantity: 1
$10.80 $6.86
1
Add To Cart

SEAL, Engine Valve
12555601
SEAL, VALVE STEM OIL
Fitting Vehicle Options: CK2,3(L18)
Require Quantity: 16
Package Quantity: 1
$11.76 $7.10
1
Add To Cart
97212994
SEAL, VALVE STEM OIL(PACKING OF 16)
- Fitting Vehicle Options: CK2,3(LB7)
$13.05
16
Add To Cart

12558275
GASKET, Manifold to Cylinder Head, GASKET,EXHAUST MANIFOLD
- Require Quantity: 02
- Package Quantity: 1
$73.13 $46.47
1
Add To Cart

12563371
GASKET, Emission System, GASKET,EGR VALVE PIPE(BETWEEN EXHAUST MANIFOLD & EGR PIPE)(SMALL HOLE-GASKET)
$9.20 $4.51
1
Add To Cart

14102542
NUT, Engine Valve Adjusting, NUT,VALVE ROCKER ARM(13MM HEXAGON,M8X1.0-6H)(NON-ADJUSTABLE)
- Require Quantity: 16
- Package Quantity: 20
$10.73 $6.61
20
Add To Cart

97188463
HOUSING, Fuel Injector, HOUSING,FUEL INJECTOR NOZZLE(PART OF 25)(3.726)
- Require Quantity: 08
- Package Quantity: 1
$94.59 $57.14
1
Add To Cart

97213862
INSULATOR, Engine Camshaft & Valve Rocker Cover, INSULATOR,VALVE ROCKER ARM COVER SPACER
- Require Quantity: 24
- Package Quantity: 1
$32.93 $20.93
1
Add To Cart

BRACKET, Engine Lift
97229198
BRACKET, ENGINE LIFT REAR
Fitting Vehicle Options: CK2,3(LB7,NF2)
$39.70 $25.23
1
Add To Cart
97288578
BRACKET, ENGINE LIFT REAR
- Fitting Vehicle Options: CK2,3(LB7,NC1,NF4)

CAP, Engine Valve Spring
10166344
CAP, VALVE SPRING(EXHAUST)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7)
Require Quantity: 16
Package Quantity: 1
$12.60
1
Add To Cart
10213464
CAP, VALVE SPRING
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 16
- Package Quantity: 35
$8.76 $5.56
35
Add To Cart

10240899
ROTATOR, Engine Valve Spring, ROTATOR,VALVE
- Require Quantity: 16
- Package Quantity: 1
$22.07 $13.32
1
Add To Cart

STUD, Emission Control System
11609953
STUD, EGR VALVE(M8X1.25X11.5,M8X1.25X24,46 TL,STAINLESS)(3.275)
Require Quantity: 02
Package Quantity: 1
$14.18 $7.52
1
Add To Cart
24501688
STUD, EGR VALVE(M8X1.25X16)(ONLY TO EGR ADAPT)
- Require Quantity: 02
- Package Quantity: 1
$10.17 $5.05
1
Add To Cart

12556299
BALL, Engine Valve Adjusting, BALL,VALVE ROCKER ARM
- Require Quantity: 16
- Package Quantity: 1
$13.86 $12.60
1
Add To Cart

12569721
STUD, Engine Valve Adjusting, STUD,VALVE ROCKER ARM PIVOT(HEXAGON SPECIAL,M10X1.5X19,M8X1.0X18,20.8L X11 OUTSIDE DIAMETER SHIELD,65.4 TL,10.9)(USE THREAD SEALER 12346004 US (CANADA 10953480))
- Require Quantity: 16
- Package Quantity: 1
$6.46 $3.90
1
Add To Cart

12636393
RETAINER, Engine Valve, RETAINER,VALVE SPRING
- Require Quantity: 32
- Package Quantity: 1
$7.39 $4.69
1
Add To Cart

12638258
BRIDGE, Engine Valve Lifter Cam, BRIDGE,VALVE LIFTER(0.310)
- Require Quantity: 16
- Package Quantity: 1
$25.00 $13.05
1
Add To Cart

19351578
WIRE, Spark Plug or Coil, WIRE,SPARK PLUG(STYLE 12HHH, 7MM DIAMETER, 12IN LG)(CONTAINS 1 WIRE)
- Require Quantity: 08
- Package Quantity: 1
$28.54 $12.60
1
Add To Cart

GASKET KIT, Engine Cylinder Head
19368586
GASKET KIT, CYL HEAD(INCLUDES 10,28)(INCLUDES GASKET,CYL HEAD,INTAKE MANIFOLD,EXHAUST MANIFOLD,VALVE ROCKER COVER,SEAL)
Fitting Vehicle Options: CK1,2(LM7)
$453.23 $260.41
1
Add To Cart
89017253
GASKET KIT, CYL HEAD(EXCEPT:CYL HEAD BOLTS)(INCLUDES 10,28)(INCLUDE HEAD,INTKE & EXHAUST MANIFOLD GASKETS & COOLANT AIR BLEED PIPE SEALS)(INCLUDES GASKETS,SEAL)
- Fitting Vehicle Options: CK1,2,3(LQ4)
$468.97 $296.71
1
Add To Cart
88894351
GASKET KIT, CYL HEAD(INCLUDES:CYL HEAD BOLTS)(INCLUDES 10,28)
- Fitting Vehicle Options: CK1,2,3(LQ4)

94012008
NUT, Brake Master Cylinder Push Rod, NUT,BRAKE PEDAL PUSH ROD CLEVIS(PART OF 8)(0.429)
- Require Quantity: 08
- Package Quantity: 1
$6.39 $4.06
1
Add To Cart

PLUG, Engine Oil Distribution
94029583
PLUG, ENGINE BLOCK OIL GALLERY(OUTSIDE DIAMETER=12.3MM)(0.253)
Require Quantity: 02
Package Quantity: 1
$1.88 $1.19
1
Add To Cart
94033681
PLUG, ENGINE BLOCK OIL GALLERY BALL(PART OF 25)(OUTSIDE DIAMETER=20)(0.253)
- Require Quantity: 10
- Package Quantity: 1
$2.43 $1.44
1
Add To Cart
97018606
PLUG, ENGINE BLOCK OIL GALLERY BALL(M14X16.5)(0.206)
- Require Quantity: 05
- Package Quantity: 1
- Replaced By: 97329617
$29.77 $17.99
1
Add To Cart

97188750
SEAT, Engine Valve Spring, SEAT,VALVE SPRING(LOWER)
- Require Quantity: 32
- Package Quantity: 1
$13.05
1
Add To Cart

97209343
CONDUCTOR, Spark Ignition, CONDUCTOR,GLOW PLUG
- Require Quantity: 02
- Package Quantity: 1
$57.00 $31.78
1
Add To Cart

SEAT, Cylinder Head Valve Seat
97212571
SEAT, INTAKE VALVE(PART OF 25)(0.669)
Require Quantity: 08
Package Quantity: 1
$9.03 $5.46
1
Add To Cart
97212572
SEAT, EXHAUST VALVE(PART OF 25)(0.669)
- Require Quantity: 08
- Package Quantity: 1
$8.87 $5.36
1
Add To Cart

97213525
DEFLECTOR, Engine Valve Rocker & Camshaft, DEFLECTOR,VALVE ROCKER ARM SHAFT OIL
- Require Quantity: 02
- Package Quantity: 1
$7.19 $4.57
1
Add To Cart

97224903
SHAFT, Engine Valve Rocker Arm, SHAFT,VALVE ROCKER ARM(IF END PLUGS NEEDED USE 94029583)
- Require Quantity: 02
- Package Quantity: 1
$337.43 $213.50
1
Add To Cart

SUPPORT, Engine Valve Rocker Arm Shaft
97224904
SUPPORT, VALVE ROCKER ARM SHAFT
Require Quantity: 02
Package Quantity: 1
$33.67 $21.40
1
Add To Cart
97224905
SUPPORT, VALVE ROCKER ARM SHAFT(HAS TWO HOLES FOR INJECTOR HARNESS)
- Require Quantity: 02
- Package Quantity: 1
$32.84 $20.87
1
Add To Cart
97224906
SUPPORT, VALVE ROCKER ARM SHAFT
$31.16 $19.80
1
Add To Cart

97329104
SPRING, Valve Rocker Shaft, SPRING,VALVE ROCKER ARM(ON ROCKER SHAFT)
- Require Quantity: 08
- Package Quantity: 1
$7.02 $4.46
1
Add To Cart

SHIELD, Exhaust Manifold
12555623
SHIELD, EXHAUST MANIFOLD HEAT
Location: Driver Side
12576124
SHIELD, EXHAUST MANIFOLD HEAT
- Location: Passenger Side

MANIFOLD, Engine Exhaust Manifold
12557286
MANIFOLD, EXHAUST
Location: Passenger Side
Fitting Vehicle Options: CK2,3(L18,MN8,M74,ML6)
12557287
MANIFOLD, EXHAUST(WITHOUT AIR INJECTOR REACTOR)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(L18)

12571861
PIPE, Emission System, PIPE,EGR VALVE(EXHAUST TO EGR BRACKET)

12572717
VALVE, Engine Crankcase, VALVE,PCV(PART OF 1)

97225242
BOLT, Engine Valve Adjusting, BOLT,VALVE ROCKER ARM ADJUST(PART OF 8)
- Require Quantity: 16
- Package Quantity: 1
$7.02 $4.46

97250340
GUIDE, Intake and Exhaust Valve Stem, GUIDE,VALVE(PART OF 25)
- Require Quantity: 32
- Package Quantity: 1
$7.03 $4.46

97361741
SPRING, Engine Crankcase, SPRING,CRANKCASE DEPRESSION REGULATOR VALVE DIAPHRAGM
$4.09 $2.60

11609746
NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(SECONDARY AIR INJECTION PIPE)
- Require Quantity: 02
- Package Quantity: 12
$4.42 $2.67
12
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 GMC Sierra 2500 4WD parts. Parts like Engine Assembly-Cylinder Head & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L. Model Code: 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB.