Engine Assembly-Manifolds & Fuel Related Parts fit your 2003 Chevrolet Silverado 1500 HD 2WD

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2003 Chevrolet Silverado 1500 HD 2WD

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

15326386
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(3.682)
$49.72 $26.35
1
Add To Cart

15326386
SENSOR, Computer Control Sensors, SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)
$49.72 $26.35
1
Add To Cart

12589867
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK
- Require Quantity: 02
- Package Quantity: 1
$127.62 $61.47
1
Add To Cart

GASKET, Manifold to Cylinder Head
12617944
GASKET, EXHAUST MANIFOLD
Require Quantity: 02
Package Quantity: 1
$34.08 $16.41
1
Add To Cart
12558178
GASKET, ENGINE BLOCK VALLEY COVER(PART OF 555)
$42.25 $26.85
1
Add To Cart

GASKET KIT, Manifold to Cylinder Head
89060413
GASKET KIT, INTAKE MANIFOLD(DOES NOT INCLUDE EGR VALVE PIPE GASKET)
Fitting Vehicle Options: CK1,2,3(LQ4), CK1,2(LM7), CK1(LR4), CK1(L59)
$145.29 $83.48
1
Add To Cart
89017866
GASKET KIT, INTAKE MANIFOLD(CONTAINS 2 INTAKE MANIFOLD GASKETS)
- Fitting Vehicle Options: CK1(LU3)
$70.12 $40.28
1
Add To Cart
89017812
GASKET KIT, EXHAUST MANIFOLD(INCLUDES 601,602)(CONTAIN GASKETS FOR ONE SIDE OF ENGINE)
- Fitting Vehicle Options: CK1(LU3)
$71.20 $40.90
1
Add To Cart

SHIELD, Spark Plug Ignition Wire

12551505
SHIELD, SPARK PLUG WIRE(USED AT RH FRONT)(155MM LONG)
$7.20 $4.57
1
Add To Cart
10105861
SHIELD, SPARK PLUG WIRE(USED AT LH FRONT & RH REAR)(23MM LONG)
- Require Quantity: 02
- Package Quantity: 1
$7.19 $4.35
1
Add To Cart

RETAINER, Spark Plug Ignition Wire
12163607
RETAINER, SPARK PLUG WIRE(RETAINS 3-7MM LEADS,HINGED LOCKING,NARROW BLADE MOUNT TYPE)
Require Quantity: 02
Package Quantity: 10
$1.84 $0.98
10
Add To Cart
12132229
RETAINER, SPARK PLUG WIRE(RETAINS 2-7MM LEADS,HINGE LOCKING COVER,NARROW BLADE MOUNT)
$1.73 $1.09
10
Add To Cart
12132228
RETAINER, SPARK PLUG WIRE(RETAINS 1-7MM LEAD,HINGE LOCKING COVER,NARROW BLADE MOUNT)
- Require Quantity: 03
- Package Quantity: 1
$8.88 $4.95
1
Add To Cart

BOLT, Hex

11588712
BOLT, HEX FLANGED HEAD,M6X1X20,17.5 THREAD,14.2 O.D.,8.8, GMW3359(ENGINE WIRING HARNESS BRACKET (TO ENGINE REAR))
$7.20 $4.57
10
Add To Cart
11514623
BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(OIL FILLER TUBE)
$5.20 $3.31
10
Add To Cart
11515758
BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(ENGINE BLOCK VALLEY COVER)
- Require Quantity: 10
- Package Quantity: 10
$1.81 $1.09
10
Add To Cart
11515764
BOLT, HEX FLANGED HEAD,M10X1.5X20,18THD,22.3 O.D.,10.9,7114M(FUEL INJECTION FUEL RAIL STOP)
$23.00 $13.90
1
Add To Cart
9439930
BOLT, HEX FLANGED HEAD 1/4-20X.56 280M PHOSPHATE ZINC ORGANIC(SPARK PLUG WIRE RETAINER BRACKET)
- Require Quantity: 04
- Package Quantity: 1
- Replaced By: 11561767
$7.20 $4.57
1
Add To Cart
11508885
BOLT, HEX FLANGED HEAD M6X1X13 9.8 PHOSPHATE ORGANIC W/ADH 14.2 OUTSIDE DIAMETER THREAD LENGTH 11.00(ACCELERATOR CONTROL CABLE BRACKET)
$7.19 $4.57
1
Add To Cart

89017368
BOLT KIT, Intake & Exhaust Manifold, BOLT KIT,INTAKE MANIFOLD(TO CYL HEAD)(KIT CONTAINS 5 BOLTS.TWO KITS REQ'D PER ENGINE)
$34.56 $21.55
1
Add To Cart

MANIFOLD, Engine Exhaust Manifold
12616285
MANIFOLD, EXHAUST(INCLUDES 603,604)(INCLUDES SHIELD,BOLTS)
Location: Driver Side
Fitting Vehicle Options: CK1(LR4), CK1,2,3(LQ4), CK1,2(LM7), CK1(L59)
$162.96 $126.99
1
Add To Cart
12616286
MANIFOLD, EXHAUST(INCLUDES 603,604)(INCLUDES SHIELD,BOLTS)
- Location: Passenger Side
- Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4), CK1(LR4), CK1(L59)
$319.20 $201.93
1
Add To Cart
12574320
MANIFOLD, EXHAUST(INCLUDES 603,604)
- Location: Passenger Side
- Fitting Vehicle Options: CK1(LU3)
$251.19 $158.93
1
Add To Cart
12574406
MANIFOLD, EXHAUST(INCLUDES:MANIFOLD,SHIELD,BOLTS)(INCLUDES 603,604)
- Location: Driver Side
- Fitting Vehicle Options: CK1(LU3)

12574660
TUBE, Engine Crankcase Ventilation, TUBE,PCV(INCLUDES 711)(INCLUDE VALVE)
$63.20 $33.50
1
Add To Cart

10108445
GASKET, Distributor Housing, GASKET,DISTRIBUTOR(PART OF 730)
$4.68 $2.57
10
Add To Cart

12558177
GROMMET, Distributor (also Knock Sensor), GROMMET,KNOCK SENSOR(PART OF 555)
- Require Quantity: 02
- Package Quantity: 5
$14.58 $9.27
5
Add To Cart

BOLT, Intake & Exhaust Manifold
12552096
BOLT, EXHAUST MANIFOLD(3/8-16 X 2 1/8)(1.079)
Fitting Vehicle Options: CK1(LU3)
Require Quantity: 11
Package Quantity: 10
$4.16 $2.64
10
Add To Cart
12550027
BOLT, INTAKE MANIFOLD(5/16-18X1.75,280M)
- Fitting Vehicle Options: CK1(LU3)
- Require Quantity: 08
- Package Quantity: 1
$8.82 $5.33
1
Add To Cart
11546600
BOLT, EXHAUST MANIFOLD(M8X1.25X30.7)
- Fitting Vehicle Options: CK1,2,3(LQ4), CK1(LR4), CK1,2(LM7), CK1(L59)
- Require Quantity: 12
- Package Quantity: 1
$9.08 $6.08
1
Add To Cart

11518950
STUD, Ignition Coil Mounting, STUD,IGNITION COIL(HEX FLANGED HEAD, M6X1X16,M6X1X13,34.7 TL,13 OUTSIDE DIAMETER,10.9 PO)(8.981)
- Require Quantity: 02
- Package Quantity: 10
$21.23 $13.49
10
Add To Cart

12555948
SUPPORT, Spark Plug Ignition Wire, SUPPORT,SPARK PLUG WIRE
- Require Quantity: 02
- Package Quantity: 1
$18.07 $11.48
1
Add To Cart

BOLT, Exhaust Manifold
10228350
BOLT, EXHAUST MANIFOLD HEAT SHIELD(PART OF 600)(M6X1X6.5 HEXAGON FLANGE)
Fitting Vehicle Options: CK1(LU3)
Require Quantity: 04
Package Quantity: 1
$15.51 $9.86
1
Add To Cart
10228350
BOLT, EXHAUST MANIFOLD HEAT SHIELD(PART OF 600)(M6X1X6.5 HEXAGON FLANGE)
- Fitting Vehicle Options: CK1(LR4), CK1,2(LM7), CK1,2,3(LQ4), CK1(L59)
- Require Quantity: 06
- Package Quantity: 1
$15.51 $9.86
1
Add To Cart

12556932
HOSE, Engine Crankcase Ventilation, HOSE,PCV
$80.48 $33.80
1
Add To Cart

12575742
COVER, Engine Fuel Intake Manifold, COVER,ENGINE BLOCK VALLEY(INCLUDES 520,556)
$502.39 $317.86

12598210
DISTRIBUTOR, Ignition, DISTRIBUTOR,(SEE GROUP 02.000 "DISTRIBUTOR/IGNITION" FOR DETAILED ILLUSTRATED VIEW)(INCLUDES 735)(MATING CONNECT USE 12117025)

12550726
STUD, Intake & Exhaust Manifold, STUD,EXHAUST MANIFOLD(#1-LH)(HEX FLANGED HEAD 3/8-16X2.06,3/8-16X.75 300MM)
$19.72 $10.45
5
Add To Cart

SHIELD, Exhaust Manifold
12562244
SHIELD, EXHAUST MANIFOLD HEAT(PART OF 600)
Location: Passenger Side
Fitting Vehicle Options: CK1,2(LM7), CK1(LR4), CK1,2,3(LQ4), CK1(L59)
$92.34 $61.78
1
Add To Cart
12562243
SHIELD, EXHAUST MANIFOLD HEAT(PART OF 600)
- Location: Driver Side
- Fitting Vehicle Options: CK1,2,3(LQ4), CK1(LR4), CK1,2(LM7), CK1(L59)
12574322
SHIELD, EXHAUST MANIFOLD HEAT(PART OF 600)
- Location: Passenger Side
- Fitting Vehicle Options: CK1(LU3)

12578463
STOP, Fuel Injection, STOP,FUEL INJECTION FUEL RAIL
$30.74 $16.29
1
Add To Cart

19418996
COIL, Ignition Coil, COIL,IGNITION(INCLUDES BOLTS, NUTS)(SEE GROUP 02.000 "COIL ASM/IGNITION" FOR DETAILED ILLUSTRATED VIEW)
$150.64 $71.70
1
Add To Cart

19351576
WIRE, Spark Plug or Coil, WIRE,IGNITION COIL

10490666
SEAL, Fuel Tank Evaporator/Purge Control, SEAL,EVAP EMISSION CANISTER PURGE SOLENOID VALVE(O RING)(PART OF 518)
$14.90 $7.90
1
Add To Cart

11610394
STUD, Chassis/Engine Wiring Harness, STUD,ENGINE WIRING HARNESS BRACKET(3/8-16X.6,3/8-16X.75)(8.981)
$5.61 $3.57
1
Add To Cart

12601822
WIRE, Chassis Wiring, WIRE,KNOCK SENSOR(CONTAINS 1 CONNECT TO ENGINE HARNESS,2 CONNECT TO KNOCK SENSORS,2 GROMMET)
$80.71 $51.29
1
Add To Cart

19417608
WIRE KIT, Spark or Glow Plug Ignition, WIRE KIT,SPARK PLUG(SEE GROUP 02.000 "SPARK PLUG WIRING" FOR DETAILED ILLUSTRATED VIEW)
$177.47 $79.51
1
Add To Cart

NUT
94012038
NUT, LOWER INTAKE MANIFOLD
Require Quantity: 04
Package Quantity: 1
$5.46 $3.47
1
Add To Cart
94012038
NUT, INTAKE MANIFOLD TUBE
- Require Quantity: 02
- Package Quantity: 1
$5.46 $3.47
1
Add To Cart

12572717
VALVE, Engine Crankcase, VALVE,PCV(PART OF 716)

12676059
INSULATOR KIT, Manifold to Cylinder Head, INSULATOR KIT,INTAKE MANIFOLD

15033674
BRACKET, Chassis/Engine Wiring Harness, BRACKET,ENGINE WIRING HARNESS(COIL)(REAR)(USED ON RH SIDE)

15992647
STUD, Air Cleaner, STUD,AIR CLEANER ADAPTER

3530297
NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(THROTTLE BODY)
- Require Quantity: 03
- Package Quantity: 1
$7.26 $4.05
1
Add To Cart

11516076
NUT, PREVAILING TORQUE TENSION FLANGE HEAD (M8X1.25X17.4 OUTSIDE DIAMETER(EGR VALVE ADAPTER)
- Require Quantity: 02
- Package Quantity: 1
$7.20 $4.57
1
Add To Cart

11516076
NUT, PREVAILING TORQUE TENSION FLANGE HEAD (M8X1.25X17.4 OUTSIDE DIAMETER(EGR VALVE)
- Require Quantity: 02
- Package Quantity: 1
$7.20 $4.57
1
Add To Cart

11589264
STUD, STRAIGHT, M10X1.5X30, M10X1.5X16, 57 TL, STAINLESS STEEL(EXHAUST MANIFOLD PIPE)
- Require Quantity: 06
- Package Quantity: 4
$13.37 $8.94
4
Add To Cart

11519235
STUD, STRAIGHT,M8X1.25X20,M8X1.25X36.25,63 TL,10.9,7114M,SIDE B:HEXAGON P(PART OF 510)
- Require Quantity: 02
- Package Quantity: 1
$16.92 $10.75
1
Add To Cart

94012045
NUT, HEX FLANGED HEAD M10X1.25X10 21-OUTSIDE DIAMETER 7T ZINC COATED (DIPPED OR PLATED)(EXHAUST MANIFOLD)(2.277)
- Require Quantity: 04
- Package Quantity: 1
$13.05
1
Add To Cart

14081701
PLUG, W/SEALER,1/4-18 NPTF,SQUARE SOCKET,PLAIN(PART OF 510)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Silverado 1500 HD 2WD parts. Parts like Engine Assembly-Manifolds & Fuel Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L. Model Code: 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX.