Relays & Modules fit your 2003 Buick Lesabre

Currently shopping for

2003 Buick Lesabre

Change Vehicle

Vehicle Options

6 Cyl 3.8L MFI, HO (ERV6 Series); 4-Speed Automatic Transmission, 4T65-E

Vehicle Options

6 Cyl 3.8L MFI, HO (ERV6 Series); 4-Speed Automatic Transmission, 4T65-E

Categories Close X

Currently selected

Starter, Generator, Ignition, Electrical, Lamps

Other Categories

Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers, Fascias

Front End Sheet Metal, Heater

Front Suspension, Steering

Fuel System, Exhaust, Emission System

Interior Trim, Front Seat Trim, Seat Belts

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Transmission - Automatic

Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

13500114
RELAY, Air Suspension and Inflator Unit, RELAY,AUTO LEVEL CONTROL(PART OF 41)(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 25)(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 25)(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 25)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

13500114
RELAY, A/C Electrical, RELAY,A/C COMPRESSOR(PART OF 25)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

RELAY, Voltage and Glow Plug

13500114
RELAY, IGNITION(PART OF 25)(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)
$20.04 $9.54
1
Add To Cart
13503102
RELAY, STARTER(PART OF 25)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart
13503102
RELAY, ACCESSORY(4-WAY, GRAY)(PART OF 25)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart
13503102
RELAY, IGNITION(PART OF 25)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

RELAY, Engine Air Cooling(Electrical)

13503103
RELAY, FAN CONTROL(5-TERMINAL)(PART OF 25)(BLACK)(5-TERMINAL)(SPDT 280 MINI, HIGH/LOW)(NOT SHROUDED)
$10.77 $4.82
1
Add To Cart
13503102
RELAY, FAN CONTROL(4-TERMINAL)(PART OF 25)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)
- Require Quantity: 02
- Package Quantity: 1
$16.22 $7.86
1
Add To Cart

13503102
RELAY, Starter Motor, RELAY,STARTER(PART OF 25)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

13503102
RELAY, Rear Window Defogger, RELAY,REAR WINDOW DEFOGGER(PART OF 41)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

CONNECTOR, Body Multifunction Electric Computer

12110206
CONNECTOR, MODULE-REAR BODY CONTROL(BLUE)(24-WAY FEMALE)(W/O LEADS)(3.670)
$9.81 $7.55
1
Add To Cart
12101762
CONNECTOR, MODULE-BODY CONTROL(DIMMER)(NATURAL)(10-WAY FEMALE)(METRI-PACK 150)(W/LEADS)(2.535)
$153.58 $68.80
1
Add To Cart
15306210
CONNECTOR, MODULE-BODY CONTROL(DIM)(GRAY)(24-WAY FEMALE)(W/O LEADS)(W/TERMINAL RETAINERS)(9.656)
$40.27 $25.59
1
Add To Cart
21025204
CONNECTOR, MODULE-BODY CONTROL(BROWN)(24-WAY FEMALE)(W/O LEADS)(W/TERMINAL RETAINERS)
$21.61 $13.73
1
Add To Cart
12084944
CONNECTOR, MODULE-REAR BODY CONTROL(REAR INTEGRATION MODULE)(BLACK)(16-WAY FEMALE MICROPHONE/P100)(W/O LEADS)
12110244
CONNECTOR, MODULE-BODY CONTROL(PINK)(24-WAY FEMALE)(W/O LEADS)
12110245
CONNECTOR, MODULE-BODY CONTROL(GRAY)(32-WAY FEMALE)

13500126
RELAY, Headlamp/Fog Lamp/Turn Signal, RELAY,DAYTIME RUNNING LAMP(5-WAY, HIGH-POWER, W/RESISTOR, UNSHROUDED, MICRO, CODE 7866)(PART OF 25)(BLACK)(35AMP)(5 TERMINAL)(HIGH CURRENT MICRO 280)(10.150)
$21.00 $11.71
1
Add To Cart

MODULE, Door Window
25654368
MODULE, DOOR LOCK & POWER WINDOW CONTROL(REAR DOOR)(10.485)
Location: Driver Side
$517.14 $287.01
1
Add To Cart
25654369
MODULE, DOOR LOCK & POWER WINDOW CONTROL(REAR DOOR)(10.485)
- Location: Passenger Side
$517.14 $287.01
1
Add To Cart
21999380
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL(LOCATING IN DRIVER DOOR)
- Location: Driver Side
25654366
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL(10.485)
- Location: Passenger Side
$604.14 $335.30

MODULE, Door Electric and Vacuum Locks
25654368
MODULE, DOOR LOCK & POWER WINDOW CONTROL(REAR DOOR)
Location: Driver Side
$517.14 $287.01
1
Add To Cart
25654369
MODULE, DOOR LOCK & POWER WINDOW CONTROL(REAR DOOR)
- Location: Passenger Side
$517.14 $287.01
1
Add To Cart
21999380
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL(LOCATING IN DRIVER DOOR)
- Location: Driver Side
25654366
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL
- Location: Passenger Side
$604.14 $335.30

COVER, Main Wiring Junction and Fuse Block

15394450
COVER, ENGINE WIRING HARNESS JUNCTION BLOCK(BODY HARNESS)(PART OF 41)
$20.24 $12.38
1
Add To Cart
15394450
COVER, ENGINE WIRING HARNESS JUNCTION BLOCK(BODY HARNESS)(PART OF 25)
$20.24 $12.38
1
Add To Cart
15394205
COVER, ENGINE WIRING HARNESS JUNCTION BLOCK(ENGINE HARNESS)(PART OF 41)
15394205
COVER, ENGINE WIRING HARNESS JUNCTION BLOCK(ENGINE HARNESS)(PART OF 25)

MODULE, Body Multifunction Electric Computer

10389601
MODULE, BODY CONTROL(DASH INTEGRATED MODULE)
10383937
MODULE, REAR BODY CONTROL(REAR INTEGRATION MODULE)(REAR INTEGRATION MODULE)(INSIDE DIAMETER : 0048)
$362.27 $201.05

MODULE, Inside/Outside Rear View
21999380
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL(LOCATING IN DRIVER DOOR)
Location: Driver Side
25654366
MODULE, DOOR LOCK & OUTSIDE R/VIEW MIRROR & POWER WINDOW CONTROL(10.485)
- Location: Passenger Side
$604.14 $335.30

88953295
BLOCK, Body Wiring, BLOCK,BODY WIRING HARNESS JUNCTION(INCLUDES 16,22,37-40,44-47)

12193790
PULLER, Main Wiring Junction and Fuse Block, PULLER,FUSE(PART OF 25,41)(ENGINE & MULTI JUNCTION BLOCK)(BODY)
$6.02 $3.82
1
Add To Cart

CONNECTOR, Chassis Electrical

15306316
CONNECTOR, POWER DISTRIBUTOR BLOCK(PART OF 28)(GREEN)(2-WAY FEMALE,METRI-PACK 800)(W/LEADS)(2.483)
$31.41 $22.46
1
Add To Cart
19150315
CONNECTOR, POWER DISTRIBUTOR BLOCK(PART OF 28)(BLACK)(68-WAY FEMALE)(W/O LEADS)
$8.00 $4.24
1
Add To Cart
15328983
CONNECTOR, POWER DISTRIBUTOR BLOCK(PART OF 28)
19178126
CONNECTOR, POWER DISTRIBUTOR BLOCK(PART OF 28)
19178127
CONNECTOR, POWER DISTRIBUTOR BLOCK(PART OF 28)

LABEL, Main Wiring Junction and Fuse Block
15328814
LABEL, MULTIUSE RELAY IDENTIFY(PART OF 41)
Fitting Vehicle Options: H
$16.69 $11.16
1
Add To Cart
15358915
LABEL, ENGINE WIRING HARNESS ACCESSORY RELAY & FUSE IDENTIFY(PART OF 25)
- Fitting Vehicle Options: H
$23.19 $15.51
1
Add To Cart
88988673
LABEL, MULTIUSE RELAY IDENTIFY(PART OF 41)
- Fitting Vehicle Options: HP,HR
$19.84 $13.27
1
Add To Cart

15328973
RETAINER, Main Wiring Junction and Fuse Block, RETAINER,MULTIUSE RELAY & FUSE BRACKET(PART OF 36)
$13.05
1
Add To Cart

25734663
BRACKET, Main Wiring Junction and Fuse Block, BRACKET,MULTIUSE RELAY & FUSE(INCLUDES 33)
$57.52 $30.48
1
Add To Cart

10385605
RECEIVER, Door Electric and Vacuum Locks, RECEIVER,REMOTE CONTROL DOOR LOCK(DOMESTIC)(OEM 10385605)

12077843
BREAKER ASM, Main Wiring Junction and Fuse Block, BREAKER ASM,CIRCUIT(MAXI-TYPE,30 AMP, NON CYCLE)(PART OF 25)(GREEN)

COVER, Battery Cable

12193782
COVER, BATTERY POSITIVE CABLE JUNCTION BLOCK(UNDER BACK SEAT)(PART OF 41)
15319431
COVER, BATTERY POSITIVE CABLE JUNCTION BLOCK(UNDER HOOD)(PART OF 25)

12193968
HOLDER, Main Wiring Junction and Fuse Block, HOLDER,WIRING HARNESS FUSE(HOLDS FIVE FUSES)(PART OF 25,41)

12214171
PROGRAMMER, A/C Electric Temperature and Motor Control, PROGRAMMER,HEATER & A/C(INCLUDES INSTRUMENT PANEL MODULE)

12583826
MODULE, Emission Control System, MODULE,POWERTRAIN CONTROL(USE 19260747 FOR NON REMANUFACTURE IMPORT LAW COUNTRIES)(NEW UNIT)(CODE: YCZR; DLHL)(REQUIRES REPROGRAMMING)

CONNECTOR, Main Wiring Junction and Fuse Block

15328983
CONNECTOR, ENGINE WIRING JUNCTION BLOCK(PART OF 32)
15328985
CONNECTOR, ENGINE WIRING JUNCTION BLOCK(PART OF 30)

16268386
MODULE, Power Radio Antenna, MODULE,RADIO ANTENNA

25671824
BRACKET, Body Multifunction Electric Computer, BRACKET,BCM(DIM BRACKET TO HVAC CASE (FOD)

25725023
HARNESS, Chassis Wiring, HARNESS,FWD LAMP WIRING(INCLUDES 31)

25737362
HARNESS, Engine Wiring, HARNESS,ENGINE WIRING(INCLUDES 26,27)

88953159
BLOCK, Main Wiring Junction and Fuse Block, BLOCK,ENGINE WIRING HARNESS JUNCTION(INCLUDES 12-24)

HARNESS, Body Wiring
88987168
HARNESS, BODY WIRING(INCLUDES 29)
Fitting Vehicle Options: HP(AJ7)(EXC AG2,CE1,D07,UE1)
88987169
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AJ7)(EXC CE1,D07)
88987170
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HR(JL4)(EXC D07,U2K), HR(D07,JL4)(EXC U2K)
88987171
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HR(D07,JL4,U2K), HR(U2K)(EXC D07,JL4), HR(D07,U2K)(EXC JL4)
88987172
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AJ7,CE1,D07,UE1), HP(AG2,D07,UE1,UG1), HR(D07)(EXC JL4,U2K)
88987173
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AJ7,CE1,UE1)(EXC D07), HR(EXC D07,JL4,U2K), HR(D07,JL4)(EXC U2K)
88987174
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HR(JL4,U2K)(EXC D07)
88987175
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(UE1)(EXC AG2,D07,UG1), HP(AJ7,UE1)(EXC AG2,CE1,D07)
88987176
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AK5)(EXC AG2,CE1,D07,UE1)
88987177
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AK5,UE1)(EXC CE1,D07), HP(AG2,AK5)(EXC CE1,D07,UE1)
88987178
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AK5,CE1,UE1)(EXC D07), HP(AG2,AK5,CE1)(EXC D07,UE1)
88987179
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AG2,AK5,CE1,D07)
88987180
HARNESS, BODY WIRING(INCLUDES 29)
- Fitting Vehicle Options: HP(AK5,UE1)(EXC AG2,CE1,D07)

11609411
NUT, HEXAGON W/CONICAL WASHER,M6X1,5.7 THICK,16 OUTSIDE DIAMETER,9,GMW3200(MULTIUSE RELAY & FUSE BRACKET)
$2.38 $1.51
10
Add To Cart

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

11609465
BOLT, HEX WASHER HEAD,M4.2X1.41X18,12.5 OUTSIDE DIAMETER,6010M,PLATE STEEL(BCM BRACKET)(8.977)
- Require Quantity: 03
- Package Quantity: 10
$4.25 $2.70
10
Add To Cart

11519444
RETAINER, PUSH-IN,FITS10.5 HOLE,3-6.0 THICK PANEL,NYLON(BCM)(8.940)
- Fitting Vehicle Options: H
- Require Quantity: 02
- Package Quantity: 1
$8.27 $5.53
1
Add To Cart

11588337
BOLT, HEXAGON W/FLAT WASHER,M6X1X20,9 THREAD,17 OUTSIDE DIAMETER,6202M,GMW3200,TAP,DOG POINT.(MULTIUSE RELAY & FUSE BRACKET)
$2.31 $1.46
1
Add To Cart

88909754
FUSE, MINI(15 AMP)(BLUE)(QTY 25(PART OF 25)
- Require Quantity: 04
- Package Quantity: 25
$4.88 $2.72
25
Add To Cart

88909754
FUSE, MINI(15 AMP)(BLUE)(QTY 25(PART OF 41)
$4.88 $2.72
25
Add To Cart

12077863
BREAKER, CIRCUIT, 30 AMP, GREEN(PART OF 41)
- Require Quantity: 02
- Package Quantity: 1
$38.12 $20.20
1
Add To Cart

12092079
FUSE, MINI(10 AMP)(RED)(QTY 10(PART OF 41)
$7.44 $4.15
10
Add To Cart

12092079
FUSE, MINI(10 AMP)(RED)(QTY 10(PART OF 25)
- Require Quantity: 13
- Package Quantity: 10
$7.44 $4.15
10
Add To Cart

88861352
FUSE, MINI(20 AMP)(YELLOW)(QTY 25(PART OF 41)
$3.89 $2.07
25
Add To Cart

88861352
FUSE, MINI(20 AMP)(YELLOW)(QTY 25(PART OF 25)
- Require Quantity: 03
- Package Quantity: 25
$3.89 $2.07
25
Add To Cart

11517641
STUD, SPECIAL,M6X1X25,13 THREAD,11 OUTSIDE DIAMETER HEAD W/26 WIDE CLIP,9.8,6280M,PILOT POINT(BODY WIRING HARNESS JUNCTION BLOCK)
- Fitting Vehicle Options: H
- Require Quantity: 03
- Package Quantity: 1
$10.04 $6.34
1
Add To Cart

12065931
FUSE, MAXI(20 AMP)(YELLOW)(PART OF 41)
$4.82 $3.07
1
Add To Cart

12065933
FUSE, MAXI(40 AMP)(AMBER(PART OF 41)
$5.02 $2.80
5
Add To Cart

12092075
FUSE, MINI(30 AMP)(GREEN)(QTY 5(PART OF 41)
$0.16 $0.09
5
Add To Cart

12092075
FUSE, MINI(30 AMP)(GREEN)(QTY 5(PART OF 25)
$0.16 $0.09
5
Add To Cart

88861355
FUSE, MAXI(50 AMP)(RED(PART OF 25)
$4.90 $2.73
1
Add To Cart

88909771
FUSE, MAXI(30 AMP)(GREEN)(QTY 5(PART OF 25)
- Require Quantity: 03
- Package Quantity: 1
$4.33 $2.41
1
Add To Cart

88909771
FUSE, MAXI(30 AMP)(GREEN)(QTY 5(PART OF 41)
$4.33 $2.41
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Buick Lesabre parts. Parts like Relays & Modules are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.8L. Model Code: CUSTOM, LIMITED.