Engine Assembly-Manifold & Fuel Related Parts fit your 2003 Chevrolet Express 2500 2WD

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2003 Chevrolet Express 2500 2WD

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SENSOR, Distributor (also Knock Sensor)
12589867
SENSOR, KNOCK
Fitting Vehicle Options: GH1,2(LM7), G2,3(LR4), G2,3(LQ4)
Require Quantity: 02
Package Quantity: 1
$131.06 $63.12
1
Add To Cart
19420911
SENSOR, CAMSHAFT POSITION(INCLUDES 520)(MATING CONNECT W/LEADS USE 13585316)
- Fitting Vehicle Options: G2,3(LQ4), GH1,2(LM7), G2,3(LR4)
$123.83 $59.64
1
Add To Cart

GASKET, Manifold to Cylinder Head
12617944
GASKET, EXHAUST MANIFOLD(*KIT1)
Fitting Vehicle Options: G2,3(LR4), G2,3(LQ4), GH1,2(LM7)
Require Quantity: 02
Package Quantity: 1
$35.00 $16.86
1
Add To Cart
12558178
GASKET, ENGINE BLOCK VALLEY COVER(PART OF 527)
- Fitting Vehicle Options: GH1,2(LM7), G2,3(LR4), G2,3(LQ4)
$43.39 $27.57
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: GH1,2(LM7), G2,3(LR4), G2,3(LQ4)
$151.78 $87.21
1
Add To Cart
89017866
GASKET KIT, INTAKE MANIFOLD(CONTAINS 2 INTAKE MANIFOLD GASKETS)
- Fitting Vehicle Options: G1,2(LU3)
- Require Quantity: 02
- Package Quantity: 1
$72.02 $41.36
1
Add To Cart
89017812
GASKET KIT, EXHAUST MANIFOLD(INCLUDES 601,602)(CONTAIN GASKETS FOR ONE SIDE OF ENGINE)
- Fitting Vehicle Options: G1,2(LU3,M30)
$73.13 $42.01
1
Add To Cart

SHIELD, Spark Plug Ignition Wire
12551505
SHIELD, SPARK PLUG WIRE(155MM LONG)
Require Quantity: 02
Package Quantity: 1
$7.39 $4.69
1
Add To Cart
10105861
SHIELD, SPARK PLUG WIRE(23MM LONG)
- Require Quantity: 02
- Package Quantity: 1
$7.38 $4.46
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
$1.88 $1.00
10
Add To Cart
12132229
RETAINER, SPARK PLUG WIRE(RETAINS 2-7MM LEADS,HINGE LOCKING COVER,NARROW BLADE MOUNT)
$1.78 $1.13
10
Add To Cart
12132228
RETAINER, SPARK PLUG WIRE(RETAINS 1-7MM LEAD,HINGE LOCKING COVER,NARROW BLADE MOUNT)
$9.12 $5.08
1
Add To Cart

12556127
BOLT, Emission Control System, BOLT,EGR VALVE(M8X1.25X24)(0.056)
- Require Quantity: 02
- Package Quantity: 1
$5.21 $3.31
1
Add To Cart

MANIFOLD, Engine Exhaust Manifold
12616285
MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
Location: Driver Side
Fitting Vehicle Options: GH1,2(LM7), G2,3(LR4), G2,3(LQ4)
$167.37 $93.16
1
Add To Cart
12616286
MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
- Location: Passenger Side
- Fitting Vehicle Options: G2,3(LR4,MT1), G2,3(LQ4,MT1,NC8,NF4,NF9,NT9)
$327.82 $207.38
1
Add To Cart
12574320
MANIFOLD, EXHAUST(INCLUDES 603,604)
- Location: Passenger Side
- Fitting Vehicle Options: G1,2(LU3)
$257.98 $163.23
1
Add To Cart
12605246
MANIFOLD, EXHAUST
- Location: Passenger Side
- Fitting Vehicle Options: G2,3(LQ4,NC1)
12574406
MANIFOLD, EXHAUST(INCLUDES 603,604)
- Location: Driver Side
- Fitting Vehicle Options: G1,2(LU3)

12574660
TUBE, Engine Crankcase Ventilation, TUBE,PCV(INCLUDES 509)(INCLUDE VALVE)
$64.90 $34.40
1
Add To Cart

16194007
SEAL, Computer Control Sensors, SEAL,MAP SENSOR
$9.70 $4.67
1
Add To Cart

10108445
GASKET, Distributor Housing, GASKET,DISTRIBUTOR(PART OF 730)
$4.80 $2.64
10
Add To Cart

12558177
GROMMET, Distributor (also Knock Sensor), GROMMET,KNOCK SENSOR(PART OF 527)
- Require Quantity: 02
- Package Quantity: 5
$14.97 $9.51
5
Add To Cart

BOLT, Intake & Exhaust Manifold
12552096
BOLT, EXHAUST MANIFOLD(3/8-16 X 2 1/8)(1.079)
Fitting Vehicle Options: G1,2(LU3)
Require Quantity: 11
Package Quantity: 10
$4.27 $2.71
10
Add To Cart
17122601
BOLT, INTAKE MANIFOLD(PART OF 511)
- Fitting Vehicle Options: G2,3(LQ4), G2,3(LR4), GH1,2(LM7)
- Require Quantity: 10
- Package Quantity: 1
$14.44 $9.18
1
Add To Cart
12550027
BOLT, INTAKE MANIFOLD(5/16-18X1.75,280M)
- Fitting Vehicle Options: G1,2(LU3)
- Require Quantity: 08
- Package Quantity: 1
$8.82 $5.61
1
Add To Cart
11546600
BOLT, EXHAUST MANIFOLD(M8X1.25X30.7)
- Fitting Vehicle Options: G2,3(LQ4), GH1,2(LM7,M30), G2,3(LR4)
- Require Quantity: 12
- Package Quantity: 1
$9.33 $6.24
1
Add To Cart

17113561
SEAL, Multi PORTION Fuel Injection Throttle Body, SEAL,THROTTLE BODY(PART OF 511)

12570528
HOSE, Engine Coolant By-Pass, HOSE,ENGINE COOLANT AIR BLEED(PART OF 536)
$25.60 $23.72
1
Add To Cart

12602540
COVER, Engine Coolant By-Pass, COVER,ENGINE COOLANT AIR BLEED PIPE HOLE(INCLUDES 538)(INCLUDE SEALS)
- Require Quantity: 02
- Package Quantity: 1
$38.06 $21.22
1
Add To Cart

CONNECTOR, Distributor (also Knock Sensor)
13586114
CONNECTOR, SENSOR-KNOCK(PART OF 532)(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
Fitting Vehicle Options: G1,2,3(LM7,LQ4,LR4)
$49.12 $26.03
1
Add To Cart
12102621
CONNECTOR, SENSOR-KNOCK(PART OF 532)(GRAY)(1-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(LM7,LR4,LQ4,MT1)
- Require Quantity: 02
- Package Quantity: 1
$32.02 $16.97
1
Add To Cart

12553047
GASKET, Emission System, GASKET,EGR VALVE PIPE
$15.82 $12.60
1
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

10228350
BOLT, Exhaust Manifold, BOLT,EXHAUST MANIFOLD HEAT SHIELD(PART OF 600)(M6X1X6.5 HEXAGON FLANGE)
- Require Quantity: 05
- Package Quantity: 1
$15.93 $10.65
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 525,526,528)
$515.95 $326.44

CONNECTOR, Chassis Electrical
15306424
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(8-WAY MALE)(GT280)(W/ LEADS)
Fitting Vehicle Options: G2,3(LQ4,LR4,NA4)
$139.66 $43.40
1
Add To Cart
12102490
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(GRAY)(7-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
- Require Quantity: 02
- Package Quantity: 1
$83.96 $44.50
1
Add To Cart
12167120
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: G1,2,3
$62.82 $33.29
1
Add To Cart
19167005
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(24-WAY MALE)(W/CAVITY PLGS,TPAS & PILLAR)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3
$36.08 $22.92
1
Add To Cart
12160782
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(20-WAY M)(W/O LEADS)
- Fitting Vehicle Options: G2,3
19179461
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(14-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3
88986347
CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(16-WAY MALE)(W/O LEADS)(GT280)(4.720)
- Fitting Vehicle Options: G1,2,3

12550726
STUD, Intake & Exhaust Manifold, STUD,EXHAUST MANIFOLD(#1-LH)(HEX FLANGED HEAD 3/8-16X2.06,3/8-16X.75 300MM)
$20.26 $11.14
5
Add To Cart

12578463
STOP, Fuel Injection, STOP,FUEL INJECTION FUEL RAIL
$31.58 $17.37
1
Add To Cart

19351576
WIRE, Spark Plug or Coil, WIRE,IGNITION COIL
$45.10 $14.02
1
Add To Cart

GASKET KIT, Engine Cylinder Head
89017252
GASKET KIT, CYL HEAD(EXCEPT:CYL HEAD BOLTS)(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)(INCLUDES GASKET,CYL HEAD,INTAKE MANIFOLD,EXHAUST MANIFOLD,VALVE ROCKER COVER,SEAL)
Fitting Vehicle Options: G2,3(LR4), GH1,2(LM7)
$317.38 $200.80
1
Add To Cart
19368586
GASKET KIT, CYL HEAD(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)(INCLUDES GASKET,CYL HEAD,INTAKE MANIFOLD,EXHAUST MANIFOLD,VALVE ROCKER COVER,SEAL)
- Fitting Vehicle Options: G2,3(LR4)
$453.23 $260.41
1
Add To Cart
89017253
GASKET KIT, CYL HEAD(EXCEPT:CYL HEAD BOLTS)(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)(INCLUDE HEAD,INTKE & EXHAUST MANIFOLD GASKETS & COOLANT AIR BLEED PIPE SEALS)(INCLUDES GASKETS,SEAL)
- Fitting Vehicle Options: G2,3(LQ4)
$468.97 $296.71
1
Add To Cart
88894351
GASKET KIT, CYL HEAD(INCLUDES:CYL HEAD BOLTS)(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)
- Fitting Vehicle Options: G2,3(LQ4)

1997279
VALVE, Fuel Tank Evaporator/Purge Control, VALVE,EVAP EMISSION CANISTER PURGE SOLENOID(LOCATED AT INTAKE MANIFOLD)(INCLUDES SEAL)(MATING CONNECT W/LEADS USE 13585860)
$74.80 $36.99
1
Add To Cart

SEAL, Engine Coolant By-Pass
12551933
SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL-HAS METAL CARRIER)(PART OF 541)
Fitting Vehicle Options: G2,3(LQ4), GH1,2(LM7,M30), G2,3(LR4)
Require Quantity: 04
Package Quantity: 1
$12.52 $7.96
12551933
SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL)
- Fitting Vehicle Options: G2,3(LR4), G2,3(LQ4), GH1,2(LM7,M30)
$12.52 $7.96

10490666
SEAL, Fuel Tank Evaporator/Purge Control, SEAL,EVAP EMISSION CANISTER PURGE SOLENOID VALVE(O RING)
$15.30 $8.42
1
Add To Cart

12601822
WIRE, Chassis Wiring, WIRE,KNOCK SENSOR(INCLUDES 530,531,540)(CONTAINS 1 CONNECT TO ENGINE HARNESS,2 CONNECT TO KNOCK SENSORS,2 GROMMET)
$82.89 $52.67
1
Add To Cart

19418808
SENSOR, Computer Control Sensors, SENSOR,MAP(INCLUDES SEAL)
$143.62 $72.39
1
Add To Cart

12554640
BRACKET, Chassis/Engine Wiring Harness, BRACKET,ENGINE WIRING HARNESS

12569076
PIPE, Emission System, PIPE,EGR VALVE

12572717
VALVE, Engine Crankcase, VALVE,PCV(PART OF 508)

12574322
SHIELD, Exhaust Manifold, SHIELD,EXHAUST MANIFOLD HEAT(PART OF 600)
- Location: Passenger Side

12604711
PIPE, Engine Coolant By-Pass, PIPE,ENGINE COOLANT AIR BLEED(INCLUDES 533,534,535)

15992647
STUD, Air Cleaner, STUD,AIR CLEANER ADAPTER

MANIFOLD, Engine Fuel Intake Manifold
89017226
MANIFOLD, INTAKE(INCLUDES 515,542)
Fitting Vehicle Options: GH1,2(LM7)
89017226
MANIFOLD, INTAKE(INCLUDES 515,542)(NOTE WHEN USED ON VEHICLES WITHOUT EGR,MUST ALSO USE COVER 12558346-TOGETHER WITH BOLT 11517517)
- Fitting Vehicle Options: G2,3(LR4), GH1,2(LM7), G2,3(LQ4)

11515767
BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EGR VALVE)(TOGETHER WITH 12345493)
- Fitting Vehicle Options: G2,3
- Require Quantity: 02
- Package Quantity: 10
$1.22 $0.79
10
Add To Cart

11588714
BOLT, HEX FLANGED HEAD,M6X1X30,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359, M-POINT.(ENGINE COOLANT AIR BLEED PIPE)
- Require Quantity: 04
- Package Quantity: 1
$9.71 $6.18
1
Add To Cart

11588712
BOLT, HEX FLANGED HEAD,M6X1X20,17.5 THREAD,14.2 O.D.,8.8, GMW3359(ENGINE WIRING HARNESS BRACKET (TO ENGINE REAR))
$7.39 $4.69
10
Add To Cart

11561025
BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(EGR VALVE PIPE)
- Fitting Vehicle Options: G2,3
$9.15 $5.81
1
Add To Cart

11515758
BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(PART OF 527)
- Require Quantity: 10
- Package Quantity: 10
$1.86 $1.18
10
Add To Cart

11508476
BOLT, M8X1.25X25 9.8(DISTRIBUTOR CLA)
$3.55 $2.25
10
Add To Cart

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CRANKSHAFT POSITION SENSOR)
$7.50 $4.76
10
Add To Cart

11518950
STUD, HEX FLANGED HEAD,M6X1X16,M6X1X14,34.7 TL,13 O.D.,10.9,GMW3359(IGNITION COIL)
- Require Quantity: 02
- Package Quantity: 10
$21.81 $13.86
10
Add To Cart

25526358
CLAMP, SPRG BAND,14.2MM,9/16 OUTSIDE DIAMETER HOSE,PHOSPHATE ORGANIC(PART OF 536)
- Require Quantity: 02
- Package Quantity: 1
$8.19 $5.21
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
$7.39 $4.69
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Express 2500 2WD parts. Parts like Engine Assembly-Manifold & 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 6.0L. Model Code: 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS.