Block-Underhood BEC fit your 2003 Chevrolet Avalanche 1500 4WD

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2003 Chevrolet Avalanche 1500 4WD

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Vehicle Options

8 Cyl 5.3L MFI; Avalanche 1/2 Ton

Vehicle Options

8 Cyl 5.3L MFI; Avalanche 1/2 Ton

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Currently selected

Starter, Generator, Ignition, Electrical, Lamps

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

Engine

Frames, Springs, Shocks, Bumpers, Fascias

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

Transfer Case

Transmission - Automatic

Transmission - Manual

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

11514623
BOLT, HEXAGON, BOLT,HEXAGON W/CONICAL WASHER,M6X1X20(ENGINE WIRING HARNESS FUSE BLOCK BRACKET)
- Require Quantity: 04
- Package Quantity: 10
$5.34 $3.40
10
Add To Cart

13500114
RELAY, A/C Electrical, RELAY,A/C COMPRESSOR(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

RELAY, Capsule/Headlamp/Fog Lamp

13500114
RELAY, HEADLAMP LOW BEAM(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart
13500114
RELAY, HEADLAMP HIGH BEAM(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

13500114
RELAY, Horn, RELAY,HORN(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

RELAY, Headlamp/Fog Lamp/Turn Signal

13500114
RELAY, FOG LAMP(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart
13500114
RELAY, DAYTIME RUNNING LAMP(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart
13500126
RELAY, FOG LAMP(5-WAY, HIGH-POWER, W/RESISTOR, UNSHROUDED, MICRO, CODE 7866)(PART OF 14)(BLACK)(35AMP)(5 TERMINAL)(HIGH CURRENT MICRO 280)(10.150)
$21.00 $11.71
1
Add To Cart

RELAY, Voltage and Glow Plug

13500114
RELAY, FOG LAMP(PART OF 14)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)
$20.04 $9.54
1
Add To Cart
13503102
RELAY, IGNITION(4 TERMINAL)(PART OF 14)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

RELAY, Chassis/Body Marker/Hazard
19118886
RELAY, EMERGENCY VEHICLE ROOF LAMP(CODE 3601)(PART OF 12)(FOR 4-TERMINAL APP CUT OFF CENTER TERMINAL LABELED 87A)(2.483)
Fitting Vehicle Options: CK1,2,359(5G4), CK1,2,359(5Y0)
$108.08 $48.42
1
Add To Cart
12135194
RELAY, EMERGENCY VEHICLE ROOF LAMP(PART OF 12)(TWO 8MM STUDS, ALSO MATES W/CONNECT 13586114)(2.510)
- Fitting Vehicle Options: CK1,2,3(5X7)
$152.45 $68.30
1
Add To Cart
12135005
RELAY, EMERGENCY VEHICLE ROOF LAMP(PART OF 12)(W/BRACKET)(2.694)
- Fitting Vehicle Options: CK1,2,359(5Y0)
- Replaced By: 19118886
$108.08 $48.42
1
Add To Cart

FUSE, Fuse

15305191
FUSE, MEGA(175 AMP)(BLACK W/SIZE STAMPED IN WHITE ON CASE(GLOW PLUG)
$14.65 $9.31
1
Add To Cart
88909754
FUSE, MINI(15 AMP)(BLUE)(QTY 25(PART OF 14)
- Require Quantity: 17
- Package Quantity: 25
$4.88 $2.72
25
Add To Cart
12092079
FUSE, MINI(10 AMP)(RED)(QTY 10(PART OF 14)
- Require Quantity: 20
- Package Quantity: 10
$7.44 $4.15
10
Add To Cart
84082834
FUSE, J-CASE(40 AMP)(FEMALE)(REGULAR)(GREEN(PART OF 14)
$7.19 $4.57
1
Add To Cart
88861352
FUSE, MINI(20 AMP)(YELLOW)(QTY 25(PART OF 14)
- Require Quantity: 07
- Package Quantity: 25
$3.89 $2.07
25
Add To Cart
88909756
FUSE, MINI(25 AMP)(CLEAR)(QTY 25(PART OF 14)
- Require Quantity: 04
- Package Quantity: 1
$0.16 $0.09
1
Add To Cart
12065933
FUSE, MAXI(40 AMP)(AMBER(PART OF 14)
$5.02 $2.80
5
Add To Cart
12092075
FUSE, MINI(30 AMP)(GREEN)(QTY 5(PART OF 14)
- Require Quantity: 07
- Package Quantity: 5
$0.16 $0.09
5
Add To Cart
88861355
FUSE, MAXI(50 AMP)(RED(PART OF 14)
$4.90 $2.73
1
Add To Cart
88909771
FUSE, MAXI(30 AMP)(GREEN)(QTY 5(PART OF 14)
$4.33 $2.41
1
Add To Cart
88909774
FUSE, MAXI(60 AMP)(BLUE(PART OF 14)
$3.96 $2.21
5
Add To Cart

13503102
RELAY, Rear Window Defogger, RELAY,REAR WINDOW DEFOGGER(4 TERMINAL)(PART OF 14)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

13503102
RELAY, Starter Motor, RELAY,STARTER(4 TERMINAL)(PART OF 14)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

15811689
COVER, Wiring Junction, COVER,ENGINE WIRING HARNESS JUNCTION BLOCK

15786043
BLOCK, Wiring Junction, BLOCK,ENGINE WIRING HARNESS JUNCTION(INCLUDES 2-6,8,13,15-19)(W/60 AMP J-CASE FUSE)
$640.10 $404.99
1
Add To Cart

15175348
BRACKET, Wiring Junction, BRACKET,ENGINE WIRING HARNESS FUSE BLOCK(USED TO MOUNT U/H BUSSED ELECTRICAL CENTER)
$45.52 $25.38

11509226
NUT, Hexagon, NUT,HEXAGON W/CONICAL WASHER,M8X1.25,7.5THK,19 O.D.,9,ZINC(INSTRUMENT PANEL WIRING HARNESS)
- Replaced By: 11609412
$7.38 $4.69
1
Add To Cart

12193775
STUD, Wiring Junction, STUD,ENGINE WIRING HARNESS JUNCTION BLOCK(PART OF 14)(M8 X 1.25 X 35.9)
$13.05
1
Add To Cart

15746765
HARNESS, Chassis Wiring, HARNESS,EMERGENCY VEHICLE ROOF LAMP RELAY WIRING(INCLUDES 11)
$107.26 $67.22
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Avalanche 1500 4WD parts. Parts like Block-Underhood BEC are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.3L. Model Code: 1/2 TON.