Engine Assembly-Manifolds & Fuel Related Parts fit your 2003 Buick Lesabre

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2003 Buick Lesabre

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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

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Engine

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

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Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Frames, Springs, Shocks, Bumpers

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

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

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

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SENSOR, Computer Control Sensors

15326386
SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)
$51.06 $27.06
1
Add To Cart
12614973
SENSOR, MAP(AT ENGINE)(INCLUDES SEAL)(MATING CONNECT W/LEADS USE 88987997)
- Replaced By: 19418808
$143.62 $72.39
1
Add To Cart
19178958
SENSOR, HEATED OXYGEN(POSITION 1)(IN EXHAUST MANIFOLD/CROSSOVER)(INCLUDES 574)
$125.66 $60.51
1
Add To Cart

15326386
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(3.682)
$51.06 $27.06
1
Add To Cart

CAP, Engine Oil Filler

12573337
CAP, OIL FILLER(SAE 5W30, NON-VENTED, SEAL)(INCLUDES 570)
$21.00 $11.13
1
Add To Cart
12573338
CAP, OIL FILLER(SAE 10W30, SEAL)(INCLUDES 570)(NON-VENTED)
$15.11 $8.32
1
Add To Cart

GASKET KIT, Manifold to Cylinder Head

19355655
GASKET KIT, INTAKE MANIFOLD(INCLUDES 515,541)(INCLUDES RECTANGULAR COOLANT MANIOLD GASKET & 0-RING GASKETS)
$107.96 $68.63
1
Add To Cart
89017554
GASKET KIT, UPPER INTAKE MANIFOLD(INCLUDES 545,556,560)(INCLUDE UPPER INTAKE MANIFOLD GASKET,T/BODY SEAL,PCV VALVE PIPE)
- Replaced By: 19434071
$64.94 $39.24
1
Add To Cart

89017272
MANIFOLD KIT, Engine Fuel Intake Manifold, MANIFOLD KIT,UPPER INTAKE(INCLUDES 558,559)(INCLUDES UPPER MANIFOLD,INSERTS,STUD)(TOGETHER WITH GASKET KIT 89017554)

GASKET, Emission System

12567275
GASKET, EGR VALVE(BETWEEN EGR VALVE & EGR BRACKET)
$19.27 $10.23
5
Add To Cart
5617102
GASKET, OXYGEN SENSOR(PART OF 538)
$8.90 $4.95
1
Add To Cart

12584043
TUBE, Engine Crankcase, TUBE,OIL FILLER(INCLUDES 569)
$7.01 $4.46
1
Add To Cart

STUD, Intake & Exhaust Manifold
24502332
STUD, EXHAUST MANIFOLD(TO CYL HEAD-UPPER & LOWER FRONT-CENTER-REAR)(5/16-18X#8 MACHINE THREAD X 50MM LG)
Require Quantity: 07
Package Quantity: 5
$1.66 $1.05
5
Add To Cart
24508181
STUD, INTAKE MANIFOLD(HEX FLANGED HEAD,5/16-18-31,13.1 THREAD,W/GM6124M ADHESIVE)
$5.40 $3.41
1
Add To Cart
24502453
STUD, INTAKE MANIFOLD(UPPER TO LOWER)(STUD..6X1X86.8 - 6X1X15)

12577855
SEAL, Intake Manifold Vacuum, SEAL,VACUUM SOURCE MANIFOLD(O RING)
$9.20 $5.13
1
Add To Cart

1647558
SEAL, Exhaust Pipe, SEAL,EXHAUST CROSSOVER PIPE
$28.80 $17.41
1
Add To Cart

24508516
PIPE, Emission System, PIPE,EGR VALVE OUTLET(W/FLANGES)
$277.14 $116.40
1
Add To Cart

24501847
BOLT, Exhaust Pipe, BOLT,EXHAUST CROSSOVER PIPE FLANGE(TO LEFT EXHAUST MANIFOLD)(M8X1.25X44)(3.275)
- Require Quantity: 02
- Package Quantity: 1
$8.21 $6.75
1
Add To Cart

24100002
SEAL, Engine Crankcase, SEAL,OIL FILLER TUBE(O RING)(PART OF 569,571)(27.94MM INNER DIAMETER)(SIZE #320)
- Require Quantity: 02
- Package Quantity: 5
$5.47 $2.72
5
Add To Cart

12576918
VALVE, Emission Control System, VALVE,EGR(W/O GASKET)(MATING CONNECT W/LEADS USE 15306027)(GASKET 12567275 REQUIRED)

24503123
MANIFOLD, Engine Coolant By-Pass, MANIFOLD,ENGINE COOLANT(TO INTAKE MANIFOLD)(PART OF 542)

24506013
MANIFOLD, Intake Manifold Vacuum, MANIFOLD,VACUUM SOURCE(INCLUDES SEAL)
$10.18 $6.46

12580919
GASKET, Multi Port Fuel Injection Throttle Body, GASKET,THROTTLE BODY(*KIT3)
$44.24 $23.45
1
Add To Cart

BOLT, Intake & Exhaust Manifold
24506498
BOLT, INTAKE MANIFOLD(UPPER TO LOWER)(M6X1X36,4.5 DOG POINT)(25 THREAD,15 O.D. HEAD, 10.9, 7114M,W/6124M ADHESIVE)
Require Quantity: 07
Package Quantity: 1
$6.24 $3.96
1
Add To Cart
24503271
BOLT, EXHAUST MANIFOLD(TO LEFT HEAD)(5/16-18 X 25 1/2)
$35.32 $22.46
1
Add To Cart
24505205
BOLT, INTAKE MANIFOLD(UPPER TO LOWER HOLE #MM02)(M6X1X86.8 W/ADHESIVE)

24505049
GASKET, Engine Coolant By-Pass, GASKET,ENGINE COOLANT MANIFOLD(BETWEEN LOWER & ENGINE COOLANT MANIFOLD)(PART OF 542)
$12.61 $8.02
1
Add To Cart

11589156
STUD, Exhaust Pipe, STUD,EXHAUST CROSSOVER PIPE(TO RIGHT MANIFOLD - FOR POWER BRAKE BOOSTER HEAT SHIELD)
- Require Quantity: 02
- Package Quantity: 1

24505733
STUD, Fuel Injection, STUD,FUEL INJECTOR
- Require Quantity: 04
- Package Quantity: 1

89017287
STUD KIT, Multi Port Fuel Injection Throttle Body, STUD KIT,THROTTLE BODY(WITH STUDS)(INCLUDES 558,559)(3.265)

12578293
SHIELD, Fuel Injection, SHIELD,FUEL INJECTOR SIGHT(INCLUDES 557,567,572)
$101.47 $60.36
1
Add To Cart

24503125
PIPE, Exhaust Pipe, PIPE,EXHAUST CROSSOVER(W/HEAT SHIELD)(STAINLESS STEEL)
$654.11 $435.55
1
Add To Cart

24506057
GASKET, Manifold to Cylinder Head, GASKET,EXHAUST MANIFOLD
- Require Quantity: 02
- Package Quantity: 1
$46.25 $27.99
1
Add To Cart

24507878
INSULATOR, Fuel Injection, INSULATOR,FUEL INJECTOR SIGHT SHIELD BRACKET(PART OF 566)
$10.58 $5.61
1
Add To Cart

11519257
STUD, Multi Port Fuel Injection Throttle Body, STUD,THROTTLE BODY(PART OF 555)(*KIT5)
- Require Quantity: 03
- Package Quantity: 1
$5.81 $3.69
1
Add To Cart

12567867
ADAPTER, Emission System, ADAPTER,EGR VALVE(INCLUDES 530)
$947.73 $372.10
1
Add To Cart

19431592
VALVE KIT, Engine Crankcase, VALVE KIT,PCV(INCLUDES 546-550)(KIT DOES NOT INCLUDE PCV VALVE)
$43.14 $22.86
1
Add To Cart

24503068
BOLT, Generator Mounting, BOLT,GENERATOR BRACE BRACKET(M10X1.5X21)
$9.65 $6.13
1
Add To Cart

12565569
BRACKET, Fuel Injection, BRACKET,FUEL INJECTOR SIGHT SHIELD

12593195
BRACKET, Generator Mounting, BRACKET,GENERATOR BRACE

12610738
BRACKET, Chassis/Engine Wiring Harness, BRACKET,ENGINE WIRING HARNESS SHIELD

19369733
ADHESIVE, Maintenance Products, ADHESIVE,THREADLOCKER(HIGH-STRENGTH)(HIGH-TEMPERATURE)(RED)(0.20 OUNCE)(INTAKE MANIFOLD)
$11.47 $6.39

19417844
MANIFOLD, Engine Fuel Intake Manifold, MANIFOLD,LOWER INTAKE(INCLUDE 512-514)(INCLUDES COOLING MANIFOLD,GASKET,MANIFOLD BOLT,EGR VALVE TUBE,FUEL INJECTOR STUDS)

24503655
BOLT, Starter Motor, BOLT,STARTER SHIELD(TO HEAD)(M10X1.5X20,11THD,8.8)(HEX FLANGED HEAD)

MANIFOLD, Engine Exhaust Manifold
24503920
MANIFOLD, EXHAUST
Location: Passenger Side
24504379
MANIFOLD, EXHAUST(MACHINING)
- Location: Driver Side

24504044
SHIELD, Starter Motor, SHIELD,STARTER

24504697
SUPPORT, Fuel Injection Air Meter, SUPPORT,THROTTLE BODY

24504857
SHIELD, Hydraulic Power Brake Booster, SHIELD,POWER BRAKE BOOSTER HEAT

24506514
BRACKET, Fuel Tank Evaporator/Purge Control, BRACKET,EVAP EMISSION CANISTER PURGE SOLENOID VALVE

24507226
BODY, Fuel Injection Air Meter, BODY,THROTTLE(SEE GROUP 03.000 "THROTTLE BODY" FOR DETAIL ILLUSTRATED VIEW.)

24508592
BRACKET, Accelerator Pedal Lever, BRACKET,ACCELERATOR CONTROL CABLE(BEND WIRE HARNESS AS REQUIRED)

25175191
INSULATOR, Manifold to Cylinder Head, INSULATOR,EXHAUST MANIFOLD

89017814
GASKET KIT, Engine Cylinder Head, GASKET KIT,CYL HEAD(2 LOCATING PINS ON INTAKE-TO-BLOCK SEAL)(LESS VALVE SEALS)(INCLUDES 515,541)

11588711
BOLT, HEX FLANGED HEAD,M6X1X16, 10 THREAD, 14.2 OUTSIDE DIAMETER, 8.8 STEEL, GMW3359(ENGINE WIRING HARNESS BRACKET)
$7.39 $4.69
1
Add To Cart

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(EGR VALVE)(8.915)
- Require Quantity: 02
- Package Quantity: 1
$12.60
1
Add To Cart

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(SECONDARY AIR INJECTION PIPE BRACKET)(8.915)
- Require Quantity: 02
- Package Quantity: 1
$12.60
1
Add To Cart

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(FUEL INJECTOR SIGHT SHIELD BRACKET)(8.915)
- Require Quantity: 02
- Package Quantity: 1
$12.60
1
Add To Cart

11516328
BOLT, HEX FLANGED HEAD,M10X1.5X30,22 O.D.,HEADER POINT,10.9,7114M(EGR VALVE ADAPTER)
- Require Quantity: 02
- Package Quantity: 5
$5.08 $3.23
5
Add To Cart

11515755
BOLT, HEXAGON,M8X1.25X16,15 THREAD,18 O.D.,10.9,7114M(STARTER SHIELD)(TOGETHER WITH 12345493 REPLCS 25534835)
$13.05
1
Add To Cart

3530297
NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(FUEL INJECTOR)
- Fitting Vehicle Options: H
- Require Quantity: 04
- Package Quantity: 1
$7.26 $4.05
1
Add To Cart

3530297
NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(ENGINE WIRING HARNESS SHIELD)
- Fitting Vehicle Options: H
$7.26 $4.05
1
Add To Cart

11515744
NUT, HEX FLANGED HEAD,M12X1.75,14THK,25.6 O.D.,10,ZINC COATED(POWER BRAKE BOOSTER HEAT SHIELD)
- Require Quantity: 02
- Package Quantity: 1
$7.39 $4.46
1
Add To Cart

11561025
BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(THROTTLE BODY)
- Require Quantity: 02
- Package Quantity: 1
$9.15 $5.81
1
Add To Cart

11561025
BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(ACCELERATOR CONTROL CABLE BRACKET)
- Require Quantity: 02
- Package Quantity: 1
$9.15 $5.81
1
Add To Cart

11609746
NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(EXHAUST MANIFOLD)
- Require Quantity: 04
- Package Quantity: 12
$4.42 $2.67
12
Add To Cart

11516424
BOLT, HEX FLANGED HEAD,M6X1X25,14.2 O.D.,HEADER POINT,9.8,PHOSPHATE ZINC ORGANIC(PART OF 542)
- Require Quantity: 02
- Package Quantity: 1
$13.05
1
Add To Cart

11518075
BOLT, HEX FLANGED HEAD, THREAD 22, OUTSIDE DIAMETER 17, 8.8, GMW14C-POINT, HEADER POINT(EGR VALVE ADAPTER PIPE)
- Require Quantity: 02
- Package Quantity: 1
$19.07 $11.52
1
Add To Cart

9440227
BOLT, HEX FLANGED HEAD,5-16-18X1.25,.66 O.D.HEADER POINT,PO(INTAKE MANIFOLD)
- Require Quantity: 12
- Package Quantity: 1
$13.05
1
Add To Cart

24504922
BOLT, HEX FLANGED HEAD,TORX,W/ADH,10X1.5X37.5,35THD,17.5 O.D.,10.9,7114M(USE W/SEALER(12345493))
$5.42 $3.02
10
Add To Cart

24504922
BOLT, HEX FLANGED HEAD,TORX,W/ADH,10X1.5X37.5,35THD,17.5 O.D.,10.9,7114M(EVAP EMISSION CANISTER PURGE SOLENOID VALVE BRACKET)
$5.42 $3.02
10
Add To Cart

11519842
STUD, STRGHT,M6X1X16,M6X1X22,40.3TL,9.8,7114M,SIDE A:DOG POINT,SIDEB:TORX(THROTTLE BODY)
$5.40 $3.41
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Buick Lesabre parts. Parts like 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 3.8L. Model Code: CUSTOM, LIMITED.