Engine Assembly-Manifolds & Fuel Related Parts fit your 2003 GMC Sierra 1500 HD 4WD

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2003 GMC Sierra 1500 HD 4WD

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Sierra 1500 Crew Cab Long Box

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Sierra 1500 Crew Cab Long Box

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Transmission - Automatic

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

12589867
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK
- Require Quantity: 02
- Package Quantity: 1
$131.06 $63.12
1
Add To Cart

GASKET, Manifold to Cylinder Head
12617944
GASKET, EXHAUST MANIFOLD
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4), CK1(LR4), CK1(L59), K1(LQ9)
Require Quantity: 02
Package Quantity: 1
$35.00 $16.86
1
Add To Cart
12558178
GASKET, ENGINE BLOCK VALLEY COVER(PART OF 555)
- Fitting Vehicle Options: CK1(LR4), CK1,2(LM7), CK1,2,3(LQ4), CK1(L59), K1(LQ9)
$43.39 $27.57
1
Add To Cart

89060413
GASKET KIT, Manifold to Cylinder Head, GASKET KIT,INTAKE MANIFOLD(DOES NOT INCLUDE EGR VALVE PIPE GASKET)
$151.78 $87.21
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 $20.77
1
Add To Cart

BOLT, Hex

11514623
BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(OIL FILLER TUBE)
$5.34 $3.40
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
$1.86 $1.12
10
Add To Cart
11515764
BOLT, HEX FLANGED HEAD,M10X1.5X20,18THD,22.3 O.D.,10.9,7114M(FUEL INJECTION FUEL RAIL STOP)
$23.61 $14.27
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)
$7.38 $4.69
1
Add To Cart

MANIFOLD, Engine Exhaust Manifold
12616285
MANIFOLD, EXHAUST(INCLUDES 603,604)(INCLUDES SHIELD,BOLTS)
Location: Driver Side
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4), CK1(LR4), CK1(L59), K1(LQ9)
$167.37 $93.16
1
Add To Cart
12616286
MANIFOLD, EXHAUST(INCLUDES 603,604)(INCLUDES SHIELD,BOLTS)
- Location: Passenger Side
- Fitting Vehicle Options: CK1(LR4), CK1,2(LM7), CK1,2,3(LQ4), CK1(L59), K1(LQ9)
$327.82 $207.38
1
Add To Cart

12574660
TUBE, Engine Crankcase Ventilation, TUBE,PCV(INCLUDES 711)(INCLUDE VALVE)
$64.90 $34.40
1
Add To Cart

12558177
GROMMET, Distributor (also Knock Sensor), GROMMET,KNOCK SENSOR(PART OF 555)
- Require Quantity: 02
- Package Quantity: 5
$14.97 $9.51
5
Add To Cart

10228350
BOLT, Exhaust Manifold, BOLT,EXHAUST MANIFOLD HEAT SHIELD(PART OF 600)(M6X1X6.5 HEXAGON FLANGE)
- Require Quantity: 06
- Package Quantity: 1
$15.93 $10.12
1
Add To Cart

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

12575742
COVER, Engine Fuel Intake Manifold, COVER,ENGINE BLOCK VALLEY(INCLUDES 520,556)
$515.95 $326.44

SHIELD, Exhaust Manifold
12562244
SHIELD, EXHAUST MANIFOLD HEAT(PART OF 600)
Location: Passenger Side
Fitting Vehicle Options: CK1,2(LM7), CK1,2,3(LQ4), CK1(LR4), CK1(L59), K1(LQ9)
$94.84 $63.45
1
Add To Cart
12562243
SHIELD, EXHAUST MANIFOLD HEAT(PART OF 600)
- Location: Driver Side
- Fitting Vehicle Options: CK1(LR4), CK1,2(LM7), CK1,2,3(LQ4), CK1(L59), K1(LQ9)

12578463
STOP, Fuel Injection, STOP,FUEL INJECTION FUEL RAIL
$31.58 $16.74
1
Add To Cart

10490666
SEAL, Fuel Tank Evaporator/Purge Control, SEAL,EVAP EMISSION CANISTER PURGE SOLENOID VALVE(O RING)(PART OF 518)
$15.30 $8.11
1
Add To Cart

11546600
BOLT, Intake & Exhaust Manifold, BOLT,EXHAUST MANIFOLD(M8X1.25X30.7)
- Require Quantity: 12
- Package Quantity: 1
$9.33 $6.24
1
Add To Cart

12601822
WIRE, Chassis Wiring, WIRE,KNOCK SENSOR(CONTAINS 1 CONNECT TO ENGINE HARNESS,2 CONNECT TO KNOCK SENSORS,2 GROMMET)
$82.89 $52.67
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

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
$7.39 $4.69
1
Add To Cart

11516076
NUT, PREVAILING TORQUE TENSION FLANGE HEAD (M8X1.25X17.4 OUTSIDE DIAMETER(EGR VALVE)
- Require Quantity: 02
- Package Quantity: 1
$7.39 $4.69
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
$17.38 $11.04
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 GMC Sierra 1500 HD 4WD 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.