Wiring Harness/Engine fit your 1999 Chevrolet Express 3500

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1999 Chevrolet Express 3500

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

13500114
RELAY, A/C Electrical, RELAY,A/C COMPRESSOR(CODE 8567)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$22.92 $11.10
1
Add To Cart

13500114
RELAY, Emission Control System, RELAY,SECONDARY AIR INJECTION PUMP(CODE 8567)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$22.92 $11.10
1
Add To Cart

13500114
RELAY, Horn, RELAY,HORN(CODE 8567)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$22.92 $11.10
1
Add To Cart

13503103
RELAY, Fuel Pump, RELAY,FUEL PUMP(BLACK)(5-TERMINAL)(SPDT 280 MINI, HIGH/LOW)(NOT SHROUDED)(1.055)
$11.89 $5.37
1
Add To Cart

BOLT, Chassis/Engine Wiring Harness
11609829
BOLT, ENGINE WIRING HARNESS(M4.2X2.25X16)(9.786)
Fitting Vehicle Options: G1,2,3
Require Quantity: 02
Package Quantity: 1
$8.71 $5.65
1
Add To Cart
15709060
BOLT, ENGINE WIRING HARNESS GROUND(7/16X14X5/8)(2.343)
- Fitting Vehicle Options: G3(L29)

11609829
BOLT, Chassis/Engine Wiring Harness, BOLT,ENGINE WIRING HARNESS BRACKET(M4.2X2.25X16)(9.786)
- Require Quantity: 03
- Package Quantity: 1
$8.71 $5.65
1
Add To Cart

DIODE, Voltage and Glow Plug

12135037
DIODE, A/C COMPRESSOR(1 AMP)
$12.18 $6.46
1
Add To Cart
12135037
DIODE, MULTIFUNCTION(1 AMP)
$12.18 $6.46
1
Add To Cart

CONNECTOR, Computer Control Sensors
88987993
CONNECTOR, SENSOR-ENGINE COOLANT TEMPERATURE(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
Fitting Vehicle Options: G1,2,3
$79.78 $37.27
1
Add To Cart
88987993
CONNECTOR, SENSOR-VEHICLE SPEED(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
- Fitting Vehicle Options: G1,2,3
$79.78 $37.27
1
Add To Cart
12101854
CONNECTOR, INLINE-TO OXYGEN SENSOR(BLACK)(6-WAY FEMALE)(W/LEADS)(METRI-PACK 150)(2.535)
- Fitting Vehicle Options: G1,2,3
$117.31 $37.72
1
Add To Cart
12102620
CONNECTOR, SENSOR-INTAKE AIR TEMPERATURE(GRAY)(2-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$42.65 $22.61
1
Add To Cart
12102628
CONNECTOR, CALIBRATOR-VEHICLE SPEED SENSOR(NATURAL)(9-WAY FEMALE)(W/LEADS)(4.329)
- Fitting Vehicle Options: G2,3
$66.39 $35.18
1
Add To Cart
13585316
CONNECTOR, SENSOR-MASS AIRFLOW(BLACK)(3-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3
$53.99 $30.09
1
Add To Cart
15305839
CONNECTOR, INLINE-TO OXYGEN SENSOR(W/LEADS)(BLACK)(4-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3(L29,L31,L35)
- Require Quantity: 02
- Package Quantity: 1
$95.51 $50.60
1
Add To Cart
88988598
CONNECTOR, INLINE-TO OXYGEN SENSOR(FROM SECONDARY OXYGEN SENSOR WIRING HARNESS)(BLACK)(4-WAY FEMALE)(W/LEADS)(SQUARE)(3.900)
- Fitting Vehicle Options: G1,2,3
$148.76 $47.47
1
Add To Cart

CONNECTOR, Fuel Tank Evaporator/Purge Control
13586114
CONNECTOR, SWITCH-EVAP EMISSION CANISTER PURGE VACUUM DIAGNOSTIC(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35,L65)
$50.05 $27.16
1
Add To Cart
13585860
CONNECTOR, SOLENOID-EVAP EMISSION CANISTER PURGE VALVE(FOR ENGINE WIRING HARNESS)(RED)(2-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3
$53.63 $28.73
1
Add To Cart

CONNECTOR, Underhood

13586114
CONNECTOR, LAMP-UNDERHOOD(FROM ENGINE WIRING HARNESS)(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
$50.05 $27.16
1
Add To Cart
88987993
CONNECTOR, LAMP-UNDERHOOD(FROM UNDERHOOD LAMP WIRING HARNESS)(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$79.78 $37.27
1
Add To Cart

CONNECTOR, Generator

15306071
CONNECTOR, GENERATOR(NATURAL)(1-WAY FEMALE)(W/LEADS)
$28.68 $15.20
1
Add To Cart
88987962
CONNECTOR, GENERATOR(FROM GENERATOR WIRING HARNESS, RECTANGLE)(BLACK)(4-WAY FEMALE)(W/LEAD)(W/WIRES IN CAVITIES F,L,P & S)(2.535)
$111.08 $35.45
1
Add To Cart

CONNECTOR, Coolant Temperature (Engine Unit)

88987993
CONNECTOR, SENSOR-ENGINE COOLANT TEMPERATURE(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$79.78 $37.27
1
Add To Cart
88987993
CONNECTOR, SWITCH-ENGINE METAL TEMPERATURE(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$79.78 $37.27
1
Add To Cart

11561048
BOLT, Chassis/Engine Wiring Harness, BOLT,ENGINE WIRING HARNESS GROUND(8.900)
$6.33 $4.12
1
Add To Cart

CONNECTOR, Chassis Electrical
13583923
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM INSTRUMENT PANEL LOWER EXTENSION)(GRAY)(6-WAY FEMALE)(W/LEADS)(4.663)
Fitting Vehicle Options: G1,2,3(TR6)(EXPORT), G1,2,3(T79)(EXPORT)
$65.90 $34.93
1
Add To Cart
13580883
CONNECTOR, FWD LAMP WIRING HARNESS(GRAY)(7-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$107.36 $49.38
1
Add To Cart
15305888
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM BODY HARNESS)(BLACK)(6-WAY FEMALE)(W/LEADS)(13.090)
- Fitting Vehicle Options: G1,2,3
$81.06 $37.28
1
Add To Cart
15305916
CONNECTOR, ELECTRONIC BRAKE MODULE(BLACK)(10-WAY FEMALE)(W/LEADS)(3.885)
- Fitting Vehicle Options: G1,2,3
$168.59 $77.56
1
Add To Cart
12085524
CONNECTOR, INLINE-TO FUEL PUMP(BLACK)(2-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G2,3(05-06)(L65)
$47.72 $25.29
1
Add To Cart
12085535
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM ILLUMINATE MIRROR WIRING HARNESS, SQUARE, W/O LOCKING TAB)(BLACK)(2-WAY FEMALE)(W/LEADS)(SQUARE)(2.535)
- Fitting Vehicle Options: G1,2,3
$39.60 $20.99
1
Add To Cart
12092249
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(23-WAY FEMALE)
- Fitting Vehicle Options: G1,2,3
$8.17 $6.75
1
Add To Cart
12101836
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(W/O LOCKING TAB)(NATURAL)(2-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(L30,L31,L35,9L4)
$54.96 $29.14
1
Add To Cart
12101854
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(6-WAY FEMALE)(W/LEADS)(METRI-PACK 150)(2.535)
- Fitting Vehicle Options: G1,2,3(EXPORT)
$117.31 $37.72
1
Add To Cart
12101870
CONNECTOR, INLINE-TO FUEL PUMP PRIME(1/4IN WIDE SQUARE CONNECT)(BLACK)(1-WAY FEMALE)(W/LEAD)(2.535)
- Fitting Vehicle Options: G1,2,3
$24.82 $13.15
1
Add To Cart
12101876
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(6-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(L31,L35,L65,WX7)(EXPORT)
$64.62 $34.25
1
Add To Cart
12102490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM FWD LAMP WIRING HARNESS)(GRAY)(7-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3(WX7)(EXPORT)
$83.96 $44.50
1
Add To Cart
12110751
CONNECTOR, FUEL TANK WIRING HARNESS(BLACK)(7-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3
$27.40 $17.81
1
Add To Cart
12110751
CONNECTOR, FWD LAMP WIRING HARNESS(BLACK)(7-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3
$27.40 $17.81
1
Add To Cart
12110753
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM FWD LAMP WIRING HARNESS)(BLACK)(7-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3(EXC WX7)
$13.05
1
Add To Cart
12110753
CONNECTOR, ENGINE WIRING HARNESS(FROM FUEL TANK ASM)(BLACK)(7-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3(05-06)
$13.05
1
Add To Cart
12117353
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(1-WAY F)(W/LEADS)(METRI-PACK 480)(8.965)
- Fitting Vehicle Options: G3(03)(5H4)
$22.82 $12.09
1
Add To Cart
12146836
CONNECTOR, POWER DISTRIBUTOR BLOCK(30-WAY F W/O LEADS)(METRI-PACK 280 FLEX LOCK)(2.483)
- Fitting Vehicle Options: G1,2,3
- Require Quantity: 04
- Package Quantity: 1
$24.51 $15.93
1
Add To Cart
13585316
CONNECTOR, FUEL TANK WIRING HARNESS(BLACK)(3-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(05-06)(L29,L30,L31,L35,NB6), G1,2,3(05-06)(NA1,NA7,NF2)(EXC NM8)(EXPORT)
$53.99 $30.09
1
Add To Cart
15305887
CONNECTOR, PARKING/NEUTRAL POSITION SWITCH(GRAY)(7-WAY FEMALE)(W/LEADS)(4.054)
- Fitting Vehicle Options: G1,2,3
$179.97 $57.83
1
Add To Cart
15305896
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(2-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$47.10 $24.96
1
Add To Cart
15306189
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(8-WAY FEMALE)(W/LEADS)(7-12GA & 4-18GA AS REQ)(9.273)
- Fitting Vehicle Options: G2,3(L65)
$134.66 $62.34
1
Add To Cart
19368739
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM INSTRUMENT PANEL WIRING HARNESS)(BLACK)(6-WAY MALE)(W/LEADS)(METRI-PACK 280)
- Fitting Vehicle Options: G1,2,3
$143.13 $75.85
1
Add To Cart
19368866
CONNECTOR, FWD LAMP WIRING HARNESS(BLACK)(2MM2)(6-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3(WX7)(EXPORT)
$65.30 $34.61
1
Add To Cart
88987185
CONNECTOR, PARKING/NEUTRAL POSITION SWITCH(BLACK)(4-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$111.40 $59.03
1
Add To Cart
88988598
CONNECTOR, FUEL TANK WIRING HARNESS(BLACK)(4-WAY FEMALE)(W/LEADS)(SQUARE)(3.900)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
$148.76 $47.47
1
Add To Cart
88988598
CONNECTOR, INLINE-TO FUEL PUMP(FROM FUEL PUMP WIRING HARNESS)(BLACK)(4-WAY FEMALE)(W/LEADS)(SQUARE)(3.900)
- Fitting Vehicle Options: G2,3(L65)
$148.76 $47.47
1
Add To Cart
12084183
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(18-WAY FEMALE)
- Fitting Vehicle Options: G1,2,3
12101853
CONNECTOR, ENGINE WIRING HARNESS(2 LEADS)(BLACK)(2-WAY MALE)(W/LEADS)(USED TOGETHER WITH 15300591)
- Fitting Vehicle Options: G2,3(L65,MT1)
12129081
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM POWER SEAT WIRING)(BLACK)(2-WAY FEMALE)(W/O LEADS)(METRI-PACK 280)
- Fitting Vehicle Options: G1,2,3(AG1), G1,2,3(AG2)
12160490
CONNECTOR, INLINE-TO TRANS(11-WAY F)(W/O LEADS)(MICRO-PACK 100W)
- Fitting Vehicle Options: G1,2,3(MT1)
12160782
CONNECTOR, ENGINE WIRING HARNESS(20-WAY M)(W/O LEADS)
- Fitting Vehicle Options: G2,3(MT1)
12167144
CONNECTOR, ELECTRONIC BRAKE MODULE(BLACK)(2-WAY FEMALE)(W/LEADS)(METRI-PACK 630 P2S)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
12176348
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(36-WAY M)(W/O LEADS)(METRI-PACK 150,280,630 SEALED)
- Fitting Vehicle Options: G1,2,3
15306008
CONNECTOR, POWER DISTRIBUTOR BLOCK(BLACK)(4-WAY MALE)(W/LEADS)(METRI-PACK 630)
- Fitting Vehicle Options: G1,2,3
15306065
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM BRAKE FLUID LEVEL INDICATOR WIRING HARNESS, W/LOCKING TAB)(NATURAL)(2-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G2,3
19151507
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(38-WAY FEMALE)(W/TERMINAL POSITION ASSURANCE,SEAL,CAVITY PLUGS,BRACKET & CM LEVER)
- Fitting Vehicle Options: G2,3(L65,MT1)
$53.63 $34.84
19151508
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(38-WAY MALE)(W/STABILIZER, TERMINAL POSITION ASSURANCE & CAVITY PLUGS)
- Fitting Vehicle Options: G2,3
19167273
CONNECTOR, POWER DISTRIBUTOR BLOCK
- Fitting Vehicle Options: G1,2,3

CONNECTOR, Chassis Electrical
12117025
CONNECTOR, ENGINE WIRING HARNESS(FROM ACCESSORY WIRING HARNESS)(BLACK)(3-WAY FEMALE)(W/LEADS)(2.383)
Fitting Vehicle Options: G3(L65,8Y5)
$72.78 $38.57
1
Add To Cart
12092248
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(23-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: G1,2,3
$8.05 $5.23
1
Add To Cart
12162343
CONNECTOR, ENGINE WIRING HARNESS(GRAY)(2-WAY MALE)(W/O LEADS)(4.720)
- Fitting Vehicle Options: G2,3(L65,MT1,8Y5)
$6.67 $4.33
1
Add To Cart
12167120
CONNECTOR, ENGINE WIRING HARNESS(METRI-PACK 150, 1 LEAD, OVAL)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: G1,2,3
$69.34 $36.75
1
Add To Cart
15305801
CONNECTOR, ENGINE WIRING HARNESS(W/LEADS, W/O LOCKING TAB, SQUARE)(BLACK)(4-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$79.88 $36.74
1
Add To Cart
19368866
CONNECTOR, ENGINE WIRING HARNESS(FROM SECONDARY OXYGEN SENSOR WIRING HARNESS)(BLACK)(2MM2)(6-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$65.30 $34.61
1
Add To Cart
88988598
CONNECTOR, ENGINE WIRING HARNESS(FROM ACCESSORY WIRING HARNESS)(BLACK)(4-WAY FEMALE)(W/LEADS)(SQUARE)(3.900)
- Fitting Vehicle Options: G3(L65,8Y5)
$148.76 $47.47
1
Add To Cart
15306155
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: G2,3(L65)
19150677
CONNECTOR, ENGINE WIRING HARNESS(INSTRUMENT PANEL HARNESS)
- Fitting Vehicle Options: G1,2,3

CONNECTOR, Distributor (also Knock Sensor)
12117025
CONNECTOR, CAMSHAFT POSITION SENS(BLACK)(3-WAY FEMALE)(W/LEADS)
Fitting Vehicle Options: G1,2,3
$72.78 $38.57
1
Add To Cart
12102621
CONNECTOR, SENSOR-KNOCK(GRAY)(1-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
$33.58 $17.80
1
Add To Cart
13585316
CONNECTOR, SENSOR-CRANKSHAFT POSITION(BLACK)(3-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35,L65)
$53.99 $30.09
1
Add To Cart
13587171
CONNECTOR, MODULE-DISTRIBUTOR IGNITION CONTROL(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
- Fitting Vehicle Options: G1,2,3
$91.78 $42.22
1
Add To Cart

CONNECTOR, Fuel Tank Meter/Pump
12117025
CONNECTOR, SENSOR-WATER IN FUEL INDICATOR(BLACK)(3-WAY FEMALE)(W/LEADS)(2.383)
Fitting Vehicle Options: G2,3(L65)
$72.78 $38.57
1
Add To Cart
12160563
CONNECTOR, SENDER-FUEL(BLUE)(2-WAY FEMALE)(TYPICALLY USED WITH 12048074 TERMINAL)
- Fitting Vehicle Options: G3(L65)

CONNECTOR, Wiring Junction
15305916
CONNECTOR, FUEL INJECTOR(16GA WIRES)(BLACK)(10-WAY FEMALE)(W/LEADS)(3.885)
Fitting Vehicle Options: G3(L29)
$168.59 $77.56
1
Add To Cart
12085491
CONNECTOR, FUEL INJECTOR(BLACK)(ACCEPTS 2.8MM TERMS)(2-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: G3(L29,MT1)
$38.10 $20.19
1
Add To Cart
12167140
CONNECTOR, FUEL INJECTOR(BLACK)(12-WAY FEMALE)(W/LEADS)(3.300)
- Fitting Vehicle Options: G1,2,3(L35)
$173.10 $79.63
1
Add To Cart
12125676
CONNECTOR, FUEL INJECTOR(20GA WIRES)(BLACK)(10-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G3(L29)
12167618
CONNECTOR, FUEL INJECTOR(16-W F W/O LEAD;INCLUDES CONNECT,SEAL,TERMINAL POSITION ASSURANCE,CAP,TERMS,CBLE SEALS,CONNECTOR POSITION ASSURANCE)
- Fitting Vehicle Options: G1,2,3(L30,L31)

12101937
CONNECTOR, A/C Compressor Clutch Actuating, CONNECTOR,COIL-A/C CLUTCH(GRAY)(2-WAY FEMALE)(W/LEADS)(2.535)
$43.04 $22.81
1
Add To Cart

CONNECTOR, Electronic Brake Control
15305916
CONNECTOR, MODULE-ELECTRONIC BRAKE CONTROL(16GA WIRES)(BLACK)(10-WAY FEMALE)(W/LEADS)(3.885)
Fitting Vehicle Options: G2,3
$168.59 $77.56
1
Add To Cart
12124662
CONNECTOR, MODULE-ELECTRONIC BRAKE CONTROL(5-WAY FEMALE)(W/O LEADS)(3.682)
- Fitting Vehicle Options: G1,2,3
$8.44
1
Add To Cart
12167144
CONNECTOR, MODULE-ELECTRONIC BRAKE CONTROL(BLACK)(2-WAY FEMALE)(W/LEADS)(METRI-PACK 630 P2S)
- Fitting Vehicle Options: G2,3(L65)

12146281
BLOCK, Wiring Junction, BLOCK,ENGINE WIRING HARNESS JUNCTION(UNDERHOOD)(BARE BLOCK)
$65.50 $37.34
1
Add To Cart

CONNECTOR, Multi PORTION Fuel Injection Throttle Position
19368669
CONNECTOR, SENSOR-THROTTLE POSITION(BLACK)(0.75MM)(3-WAY FEMALE)(W/LEADS)(2.530)
Fitting Vehicle Options: G1,2,3
$58.40 $31.83
1
Add To Cart
15305891
CONNECTOR, SENSOR-THROTTLE POSITION(WHITE)(3-WAY M)(W/LEADS)(3.682)
- Fitting Vehicle Options: G2,3(L65)
$90.50 $41.63
1
Add To Cart

9414034
NUT, NUT,REAR BRAKE CALIPER BRACKET
$0.90 $0.62
100
Add To Cart

12084791
PULLER, Wiring Junction, PULLER,FUSE(MINI)(INSTRUMENT PANEL COVER)
$7.20 $4.67

COVER, Wiring Junction
12160765
COVER, ENGINE WIRING HARNESS ASCRY RELAY BLOCK(BLACK)(UPPER)(2.343)
Fitting Vehicle Options: G1,2,3
$7.02 $4.56
12146286
COVER, MULTIUSE RELAY & FUSE(BLACK)(LOWER)
- Fitting Vehicle Options: G1,2,3, G1,2,3(L30,L31)(EXC 9L4)(EXPORT)

15909867
CAP, Chassis Electrical, CAP,ENGINE WIRING HARNESS CONNECT

11561394
HEXLOCK, Chassis/Engine Wiring Harness, HEXLOCK,M5X.8,5.4THK,9 STEEL,GMW3044,W/EXTERNAL TOOTH LOCK WASHER(ENGINE WIRING HARNESS START MOTOR LEAD)(8.917)
$16.73 $10.86
1
Add To Cart

12059168
PLUG, Chassis Electrical, PLUG,WIRING HARNESS CONNECT(RED)(UNUSED CONNECT)
$7.38 $4.80
1
Add To Cart

CONNECTOR, Fuel Injection
12085491
CONNECTOR, FUEL INJECTOR(BLACK)(ACCEPTS 2.8MM TERMS)(2-WAY FEMALE)(W/LEADS)(2.535)
Fitting Vehicle Options: G3(L29,MT1)
$38.10 $20.19
1
Add To Cart
12167140
CONNECTOR, SEQUENTIAL MULTIPORT FUEL INJECTOR(BLACK)(12-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3
$173.10 $79.63
1
Add To Cart
12167618
CONNECTOR, SEQUENTIAL MULTIPORT FUEL INJECTOR(16-W F W/O LEAD;INCLUDES CONNECT,SEAL,TERMINAL POSITION ASSURANCE,CAP,TERMS,CBLE SEALS,CONNECTOR POSITION ASSURANCE)
- Fitting Vehicle Options: G1,2,3

CONNECTOR, Engine Oil Pressure/Temperature

12085499
CONNECTOR, SWITCH-FUEL PUMP & ENGINE OIL PRESSURE INDICATOR(GRAY)(3-WAY FEMALE W/LEADS)(2.535)
$71.08 $37.67
1
Add To Cart
12085500
CONNECTOR, SWITCH-FUEL PUMP & ENGINE OIL PRESSURE INDICATOR(GRAY)(1-WAY FEMALE)(W/LEADS)(4-WAY BASE)(2.535)
$44.99 $23.84
1
Add To Cart
12085500
CONNECTOR, ENGINE OIL PRESSURE GAGE SENSOR(GRAY)(1-WAY FEMALE)(W/LEADS)(4-WAY BASE)(2.535)
$44.99 $23.84
1
Add To Cart

12085500
CONNECTOR, Fuel Pump Pressure, CONNECTOR,SWITCH-FUEL PUMP & ENGINE OIL PRESSURE INDICATOR(GRAY)(1-WAY FEMALE)(W/LEADS)(4-WAY BASE)(2.535)
$44.99 $23.84
1
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CONNECTOR, A/C Compressor (Internal Parts)

12085503
CONNECTOR, SWITCH-A/C COMPRESSOR LOW PRESSURE CUTOFF(RETAINER)(BLACK)(2-WAY FEMALE W/LEADS)(2.535)
$60.74 $32.21
1
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12085521
CONNECTOR, SWITCH-A/C COMPRESSOR HIGH PRESSURE CUTOFF(RED)(2-WAY FEMALE W/LEADS)(2.535)
$44.47 $23.56
1
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12101925
CONNECTOR, Brake Pressure Warning, CONNECTOR,SWITCH-BRAKE PRESSURE DIFFERENTIAL(BLACK)(1-WAY FEMALE)(W/LEADS)(90 DEGREE)(2.535)
$21.62 $11.46
1
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CONNECTOR, Emission Control System
12110207
CONNECTOR, POWERTRAIN CONTROL MODULE(BLUE)(32-WAY FEMALE W/O LEADS)
Fitting Vehicle Options: G2,3(L65)
$6.75
1
Add To Cart
15306027
CONNECTOR, SOLENOID-EGR VALVE(W/LEADS, W/CONNECT COVER)(LIGHT GRAY)(5-WAY FEMALE)(W/LEADS)(W/COVER)(2.530)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
$67.78 $35.92
1
Add To Cart
15306089
CONNECTOR, MODULE-VEHICLE CONTROL(NATURAL W/BLACK NOSE PIECE)(24-WAY FEMALE W/O LEADS)(INCLUDES CONNECT,SEAL,RETAINER,TERMINALS & STRAIN RELIEF)
- Fitting Vehicle Options: G1,2,3
$107.99 $34.47
1
Add To Cart
21025204
CONNECTOR, POWERTRAIN CONTROL MODULE(BROWN)(24-WAY FEMALE)(W/O LEADS)(W/TERMINAL RETAINERS)(2.560)
- Fitting Vehicle Options: G2,3(L65)
$8.00 $4.56
1
Add To Cart
12129025
CONNECTOR, MODULE-VEHICLE CONTROL(32-WAY FEMALE)(TYPICALLY USES 12084912 TERMINAL)
- Fitting Vehicle Options: G1,2,3
- Require Quantity: 03
- Package Quantity: 1
12160779
CONNECTOR, POWERTRAIN CONTROL MODULE(BROWN)(32-WAY FEMALE, W/O LEADS,MICROPHONE/PAC 100)
- Fitting Vehicle Options: G2,3(L65)

12126458
CONNECTOR, Engine Coolant Temperature (Dash Unit), CONNECTOR,SWITCH-ENGINE COOLANT TEMPERATURE INDICATOR(BLUE)(1-WAY F)(W/LEADS)(9.735)
$57.17 $30.31
1
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RETAINER, Chassis/Engine Wiring Harness
12160846
RETAINER, ECM WIRING HARNESS CONNECT(BLACK)(32-WAY F)
Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35), G1,2,3(WX7)(EXPORT)
$18.99
1
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13586175
RETAINER, ENGINE WIRING HARNESS EXTENSION HARNESS(CLIP FOR NOISE FILTER)(RED)(5-WAY FEMALE)(W/O LEADS)(USED W/12015860 TERMINAL)(2.530)
- Fitting Vehicle Options: G2,3(L65,MT1)
$9.39 $5.67
1
Add To Cart
12129022
RETAINER, ECM WIRING HARNESS CONNECT(CLEAR)(USE W/32-WAY CONNECT)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
12129023
RETAINER, ECM WIRING HARNESS CONNECT(BLUE)(USE W/32-WAY CONNECT)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
12129024
RETAINER, ECM WIRING HARNESS CONNECT(RED)(USE W/32-WAY CONNECT)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
12129028
RETAINER, ECM WIRING HARNESS CONNECT(GRAY)(32-WAY)
- Fitting Vehicle Options: G1,2,3
- Require Quantity: 02
- Package Quantity: 1
12129030
RETAINER, ECM WIRING HARNESS CONNECT(GRAY)(STRAIN RELIEF)
- Fitting Vehicle Options: G1,2,3
12129811
RETAINER, ECM WIRING HARNESS CONNECT(GRAY)(24-WAY)
- Fitting Vehicle Options: G1,2,3(L29,L31,L30,L35)
12160847
RETAINER, ECM WIRING HARNESS CONNECT(BLACK)(FOR 32-WAY ECM CONNECT)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35), G1,2,3(WX7)(EXPORT)
12160848
RETAINER, ECM WIRING HARNESS CONNECT(24-WAY)
- Fitting Vehicle Options: G1,2,3
12191284
RETAINER, ENGINE WIRING HARNESS CONNECT(BLUE)(W/ACCESS HANDLE)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
- Require Quantity: 04
- Package Quantity: 1

BRACKET, Chassis/Engine Wiring Harness
12560440
BRACKET, ENGINE WIRING HARNESS(NOT SHOWN)
Fitting Vehicle Options: G2,3(L65,MT1)
$18.75 $13.05
1
Add To Cart
12559624
BRACKET, ENGINE WIRING HARNESS BRACKET(NOT SHOWN)
- Fitting Vehicle Options: G2,3(L65,MT1,NF2,NF4,NB6)
15081320
BRACKET, ENGINE WIRING HARNESS(NOT SHOWN)
- Fitting Vehicle Options: G2,3(L65,C42,WX7)(EXPORT)
15738436
BRACKET, ENGINE WIRING HARNESS(NOT SHOWN)(INCLUDES NUT)
- Fitting Vehicle Options: G2,3(L31,L35,MT1)

CONNECTOR, Fuel Line Control

13584253
CONNECTOR, SOLENOID-FUEL SHUTOFF VALVE(FROM ACCESSORY WIRING HARNESS)(BLACK)(8-WAY MALE)(W/LEADS)(2.530)
$63.42 $33.61
1
Add To Cart
13584485
CONNECTOR, SOLENOID-FUEL SHUTOFF VALVE(FROM ACCESSORY WIRING HARNESS, TOP RETAINER)(BLACK)(8-WAY FEMALE)(W/LEADS)

13587171
CONNECTOR, Multi PORTION Fuel Injection Idle Air, CONNECTOR,MOTOR-IDLE AIR CONTROL VALVE(FROM FRONT SIDE DOOR LOCKING SYSTEM MODULE)(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
$91.78 $42.22
1
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CONNECTOR, Ignition Coil
13587171
CONNECTOR, COIL-IGNITION(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
Fitting Vehicle Options: G1,2,3
$91.78 $42.22
1
Add To Cart
88987992
CONNECTOR, COIL-IGNITION(BROWN)(3-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: G1,2,3(L29,L30,L31,L35)
$74.33 $40.21
1
Add To Cart

13587171
CONNECTOR, Throttle Control, CONNECTOR,MOTOR-THROTTLE ACTUATOR(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
$91.78 $42.22
1
Add To Cart

CONNECTOR, A/C Evaporator Blower
15306007
CONNECTOR, RESISTOR-BLOWER MOTOR(GRAY)(6-WAY FEMALE)(W/LEADS)(4.663)
Fitting Vehicle Options: G1,2,3
$105.98 $49.99
1
Add To Cart
15306069
CONNECTOR, RESISTOR-BLOWER MOTOR(MP 280)(GRAY)(4-WAY FEMALE)(W/LEADS)(FLAT)(13.100)
- Fitting Vehicle Options: G1,2,3(05-06)(C36)
$90.00 $49.51
1
Add To Cart

15599000
MODULE, Electronic Brake Control, MODULE,ANTILOCK BRAKE INDICATOR CHECK(9.765)
$82.25 $25.49
1
Add To Cart

19368034
CONNECTOR, Horn, CONNECTOR,HORN(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$54.17 $29.25
1
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19368034
CONNECTOR, Fuel Line, CONNECTOR,HEATER-FUEL(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$54.17 $29.25
1
Add To Cart

88987185
CONNECTOR, Tail Lamp, CONNECTOR,INLINE-TO BACK UP LAMP & STOP LAMP(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
$111.40 $59.03
1
Add To Cart

88987997
CONNECTOR, Computer Control Sensors, CONNECTOR,MAP SENS(GRAY)(3-WAY FEMALE)(W/LEADS)
$79.05 $36.89
1
Add To Cart

88988598
CONNECTOR, Fuel Pump, CONNECTOR,MODULE-FUEL PUMP CYCLE CONTROL(BLACK)(4-WAY FEMALE)(W/LEADS)(SQUARE)
$148.76 $47.47
1
Add To Cart

11561401
STUD, Chassis/Engine Wiring Harness, STUD,ENGINE WIRING HARNESS GROUND

TERMINAL, Chassis Electrical

12065930
TERMINAL, WIRING(4-WAY FEMALE)(W/8 HOLES)(CONVENIENCE CENTER)
12077628
TERMINAL, WIRING-METRI PACKING(MALE)
- Require Quantity: 02
- Package Quantity: 1
12146564
TERMINAL, WIRING(4-WAY FEMALE)(W/9 HOLES)(CONVENIENCE CENTER)

LOCK, Chassis Electrical

12077532
LOCK, TERMINAL-WIRING SECONDARY(8-ROW RETENTION)
12146283
LOCK, TERMINAL-WIRING SECONDARY(GRAY)(5-ROW RETENTION)
12146284
LOCK, TERMINAL-WIRING SECONDARY(GRAY)(3-ROW RETENTION)
12146805
LOCK, TERMINAL-WIRING SECONDARY(GRAY)(ACTS LIKE A HINGED 2-WAY CONNECT BODY;SNAPS OVER TERMINALS)
12146835
LOCK, TERMINAL-WIRING SECONDARY(BLUE)(4-ROW RETENTION)

12160759
BOLT, Battery Cable, BOLT,BATTERY POSITIVE CABLE FUSE BLOCK

HARNESS, Engine Wiring
15302636
HARNESS, ENGINE WIRING HARNESS EXTENSION
Fitting Vehicle Options: G2,3(L65,MT1,NF2,NF4,NB6)
15302637
HARNESS, ENGINE WIRING HARNESS EXTENSION
- Fitting Vehicle Options: G2,3(L65,MT1,NB6)
15302638
HARNESS, DIESEL GLOWPLUG WIRING(LEFT BANK)
- Fitting Vehicle Options: G2,3(L65,MT1,NB6)
15303236
HARNESS, DIESEL GLOWPLUG WIRING
- Fitting Vehicle Options: G2,3(L65,MT1,NB6,NF2)(EXC 8Y5), G2,3(L65,MT1,NB6,NF2,8Y5)
15350254
HARNESS, ENGINE WIRING(IF INDIVIDUAL POSITIVE TO F/BLOCK IS REQ'D ORDER 15321196)
- Fitting Vehicle Options: G2,3(L35,MT1,C60,C42,KW2,NF2)(EXC 8B0)
15350269
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G2,3(L31,MT1,C60,NB6,9L4)(EXC 8B0), G2,3(L31,MT1,C60,NF2)(EXC WX7,8B0,9L4), G2,3(L31,MT1,C42,NB6)(EXC 8B0), G2,3(L31,MT1,C60,NF2,NF4,9L4)(EXC 8B0), G2,3(L31,MT1,C42,NF2)(EXC WX7,8B0), G2,3(L31,MT1,C60,NB6)(EXC 8B0,9L4)
15350387
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G2,3(L31,MT1,C60,NB6,NF2,8B0,9L4)
15372905
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G2,3(L65,C42,KW2)(EXC WX7)
15372906
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G2,3(L65,KXB,8Z4)(EXC WX7)
15372907
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G2,3(L65,KW2,WX7)(EXPORT)
15372908
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G3(L65,C60,KW2,8Y5)

HARNESS, Engine Wiring
15350274
HARNESS, ENGINE WIRING(MAY REQUIRE 15321196 POSITIVE CABLE TO F/BLOCK)
Fitting Vehicle Options: G3(L29,NF2,NB6)
15350356
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G3(L29,NF2,8A5)
15350358
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: G3(L29,NB6,8A5)

11515755
BOLT, HEXAGON,M8X1.25X16,15 THREAD,18 O.D.,10.9,7114M(ENGINE WIRING HARNESS GROUND)(TOGETHER WITH 12345493 REPLCS 25534835)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1999 Chevrolet Express 3500 parts. Parts like Wiring Harness/Engine are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L. Model Code: 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER.