Engine Assembly fit your 1986 Buick Lesabre

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1986 Buick Lesabre
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Vehicle Options
4-Speed Automatic Transmission, THM440-T4/4T60
Vehicle Options
4-Speed Automatic Transmission, THM440-T4/4T60
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Currently selected

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
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
Starter, Generator, Ignition, Electrical, Lamps
Transmission - Automatic
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Categories Close X

Currently selected

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
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
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, COOLANT TEMPERATURE (1.150)
    $51.06 $27.06
    1
    Add To Cart
  • 15326386
    SENSOR, COOLANT TEMPERATURE (W/U52)(1.150)
    $51.06 $27.06
    1
    Add To Cart
  • Buick 19211437
    19211437
    SENSOR, EXHAUST OXYGEN (M18 X 1.5 THREAD WITH WIRE LEAD)(1988)
    $33.26 $18.54
  • BOLT, Starter Motor
    11610633
    BOLT, START MOTOR INBOARD HOLE (M10X114)
    $9.60 $5.09
    1
    Add To Cart
  • Buick 14001842
    14001842
    BOLT, START MOTOR OUTBD HOLE (M10X46)
  • PLUG, Plug Threaded
    8654382
    PLUG, CYL BLOCK DRAIN (1/8)
    $7.20 $4.72
    1
    Add To Cart
  • Buick 10017198
    10017198
    PLUG, HEXAGON 18X1.5MM STEEL(AS REQUIRED)
    $2.20 $1.39
    1
    Add To Cart
  • 14090911
    PLUG, DRY SEAL (3/8-18X.42)(AS REQUIRED)
    $7.51 $4.77
    1
    Add To Cart
  • Buick 12338136
    12338136
    PLUG, HEXAGON SOCKET (1/4)
  • GASKET, Engine Oil Pump Inlet
    12581570
    GASKET, OIL PUMP SUCTION PIPE FLANGE(*02)
    $15.83 $10.06
    10
    Add To Cart
  • 12581570
    GASKET, OIL PUMP SUCTION PIPE FLANGE(*01)
    $15.83 $10.06
    10
    Add To Cart
  • BOLT, Engine Connecting Rod Cap
    25531956
    BOLT, CONNECT ROD (3/8X24X1.68) ZINC ORGANIC
    $3.71 $2.36
    1
    Add To Cart
  • 25531956
    BOLT, CONNECT ROD
    $3.71 $2.36
    1
    Add To Cart
  • SENSOR, Distributor (also Knock Sensor)
    Buick 12537110
    12537110
    SENSOR, CRANKSHAFT POSITION (W/OUT DEFLECTOR)
    $95.11 $28.12
    1
    Add To Cart
  • Buick 12537110
    12537110
    SENSOR, CROSS/SHAFT POSITION
    $95.11 $28.12
    1
    Add To Cart
  • Buick 25523227
    25523227
    SENSOR, CAM POSITION
    $66.04 $29.82
    1
    Add To Cart
  • 10456287
    SENSOR, ELECTRONIC SPARK CONTROL KNOCK
  • GASKET, Engine Oil Filter
    25534742
    GASKET, OIL FILTER ADAPTER(*02,04)
    $22.37 $14.22
    5
    Add To Cart
  • 25534742
    GASKET, OIL FILTER ADAPTER(*01,02)
    $22.37 $14.22
    5
    Add To Cart
  • PIPE, Fuel Line
    Buick 25528640
    25528640
    PIPE, FUEL INJECTION FUEL RETURN FRONT
    $65.42 $44.01
    1
    Add To Cart
  • Buick 25522812
    25522812
    PIPE, FUEL INJECTION FUEL FEED (W/FLEXIBLE HOSE ATTACHED)(1986)
  • 25527173
    PIPE, W/DAMPER FUEL INJECTION FUEL FEED
  • Buick 25528641
    25528641
    PIPE, FUEL INJECTOR FUEL RETURN (1987-88)(EXCEPT FLEXIBLE HOSE
  • Buick 25528643
    25528643
    PIPE, FUEL INJECTOR FUEL FEED (AT FUEL INJECTION)(1987-88)
  • BOLT, Distributor (also Knock Sensor)
    Buick 25526395
    25526395
    BOLT, FUEL & IGNITION CAM SENSOR TO FRONT COVER
  • Buick 25526395
    25526395
    BOLT, FUEL & IGNITION CAM SENSOR
  • PLUG, Engine Oil Pan Drain
    3921988
    PLUG, OIL PAN DRAIN(8.971)
    $6.32 $2.44
    5
    Add To Cart
  • 3921988
    PLUG, OIL PAN DRAIN (8.971)
    $6.32 $2.44
    5
    Add To Cart
  • BOLT, Intake & Exhaust Manifold
    Buick 88891769
    88891769
    BOLT, INLET MANIFOLD TO HEAD (3/8X16X37)
    $13.05
    1
    Add To Cart
  • Buick 88891769
    88891769
    BOLT, INTAKE MANIFOLD TO HEAD (3/8-16X37) 275M
    $13.05
    1
    Add To Cart
  • SENSOR, Engine Oil Pressure/Temperature
    10045775
    SENSOR, FUEL PUMP SWITCH & OIL PRESSURE(3 BLADE TERMINAL,1/4-18 THREAD)
    • Replaced By: 19244934
    $90.02 $32.61
    1
    Add To Cart
  • 10045775
    SENSOR, FUEL PUMP SWITCH & ENGINE OIL PRESSURE(1986)
    • Replaced By: 19244934
    $90.02 $32.61
    1
    Add To Cart
  • PUMP KIT, Engine Coolant
    12537495
    PUMP KIT, COOLANT (INCLUDE ITEM 44)
    $179.32 $33.09
    1
    Add To Cart
  • 12537495
    PUMP KIT, COOLANT (INCLUDE 52)
    $179.32 $33.09
    1
    Add To Cart
  • BOLT, Engine Cylinder Head
    Buick 25525953
    25525953
    BOLT, CYL HEAD TO CYL BLOCK INNER ROW CENTER
    $13.05
    1
    Add To Cart
  • Buick 25525953
    25525953
    BOLT, CYL HEAD TO CYL BLOCK
    $13.05
    1
    Add To Cart
  • Buick 25527831
    25527831
    BOLT, HEAD TO BLOCK INNER ROW CENTER (7/16X14X3.24) 300M ZINC COATED (DIPPED OR PLATED)
    $13.05
    1
    Add To Cart
  • Buick 25527831
    25527831
    BOLT, CYL HEAD TO CYL BLOCK
    $13.05
    1
    Add To Cart
  • Buick 3836646
    3836646
    BOLT, SPECIAL HEXAGON (.375-16X1.625)(AS REQUIRED)
    $13.05
    1
    Add To Cart
  • Buick 25529869
    25529869
    BOLT, CYL HEAD (7/16X14X2.5) 300M ZINC COATED (DIPPED OR PLATED)
  • VALVE, Engine Crankcase
    6487936
    VALVE, CRANKCASE VENT (CV781C)
    $8.38 $5.99
    10
    Add To Cart
  • 6487936
    VALVE, CRANKCASE VENT
    $8.38 $5.99
    10
    Add To Cart
  • GASKET, Engine Oil Pan
    12350249
    GASKET, OIL PAN(*02)
    $28.51 $18.12
    1
    Add To Cart
  • 12350249
    GASKET, OIL PAN(W/INSTRUCTION. SHEET)
    $28.51 $18.12
    1
    Add To Cart
  • SEAL, Engine Front Cover & Crankshaft Seal
    12582313
    SEAL, CRANKSHAFT FRONT COVER(*02,04)
    $19.14 $12.16
    1
    Add To Cart
  • 12582313
    SEAL, CRANKSHAFT FRONT COVER(*01,02)
    $19.14 $12.16
    1
    Add To Cart
  • SWITCH, Engine Oil Pressure/Temperature
    Buick 19244517
    19244517
    SWITCH, OIL PRESSURE INDICATOR & FUEL PUMP (1987-88)
    $48.68 $29.42
    1
    Add To Cart
  • Buick 25036378
    25036378
    SWITCH, OIL PRESSURE(3 BLADE TERMINAL,1/4-18THD)(1986)
  • BOLT, Engine Front Cover
    24504713
    BOLT, ENGINE FRONT COVER(FRONT COVER TO BLOCK)
    $9.36 $5.95
    10
    Add To Cart
  • 24504713
    BOLT, ENGINE FRONT COVER (4)(1.840)
    $9.36 $5.95
    10
    Add To Cart
  • Buick 24504716
    24504716
    BOLT, FRONT COVER (6)
    $7.70 $4.89
    1
    Add To Cart
  • Buick 24504716
    24504716
    BOLT, ENGINE FRONT COVER (4)
    $7.70 $4.89
    1
    Add To Cart
  • STUD, Intake & Exhaust Manifold
    Buick 25512686
    25512686
    STUD, INTAKE MANIFOLD TO CYL HEAD (3/8-16X33.5)
    $3.84 $2.44
    1
    Add To Cart
  • Buick 25512686
    25512686
    STUD, INTAKE MANIFOLD TO CYL HEAD (3/8-16X1.3,3/8-16X1.2)
    $3.84 $2.44
    1
    Add To Cart
  • Buick 25518197
    25518197
    STUD, INTAKE MANIFOLD TO CYL HEAD(3/8-16X33.5 / M10X1.5X17)
  • Buick 25523399
    25523399
    STUD, INLET MANIFOLD (3/8X16X38MM/M8X1.25X25) 275M ZINC COATED (DIPPED OR PLATED)
  • Buick 25523399
    25523399
    STUD, W/WASHER, INTAKE MANIFOLD TO CYL HEAD
  • Buick 25526575
    25526575
    STUD, HEXAGON W/SPECIAL LOCK WASHER (3/8X16X.92)
  • Buick 25526575
    25526575
    STUD, EXHAUST MANIFOLD (3/8-16X.92)
  • GASKET, Engine Camshaft & Valve Rocker Cover
    Buick 25518526
    25518526
    GASKET, VALVE ROCKER ARM COVER(*01,02)
    $16.41 $13.05
    1
    Add To Cart
  • Buick 25518526
    25518526
    GASKET, VALVE ROCKER ARM COVER(*01,04)
    $16.41 $13.05
    1
    Add To Cart
  • GROMMET, Engine Camshaft & Valve Rocker Cover
    Buick 25518660
    25518660
    GROMMET, ROCKER ARM COVER STUD (6)
    $13.05
    1
    Add To Cart
  • Buick 25518660
    25518660
    GROMMET, VALVE ROCKER ARM COVER STUD
    $13.05
    1
    Add To Cart
  • BOLT, Engine Oil Pump
    25519242
    BOLT, OIL PUMP COVER (5)
    $1.75 $1.12
    1
    Add To Cart
  • 25519242
    BOLT, OIL PUMP COVER
    $1.75 $1.12
    1
    Add To Cart
  • TUBE, Engine Oil Level
    Buick 25531508
    25531508
    TUBE, OIL LEVEL INDICATOR (USED WITH INDICATOR THAT HAVE O RING SEAL)(*07)
    $13.05
    1
    Add To Cart
  • Buick 25522897
    25522897
    TUBE, OIL LEVEL INDICATOR (USED WITH INDICATORS THAT HAVE NO O RING SEAL)(*06)
  • Buick 25527337
    25527337
    TUBE, OIL LEVEL INDICATOR(1986)
  • Buick 25531507
    25531507
    TUBE, OIL LEVEL INDICATOR (1987-88)
  • SEAL, Exhaust Pipe
    Buick 25523161
    25523161
    SEAL, CROSS/OVR PIPE
    $13.23 $13.05
    1
    Add To Cart
  • 25523858
    SEAL, EXHAUST MANIFOLD PIPE
    $16.32 $13.05
    1
    Add To Cart
  • GASKET, Engine Front Cover
    Buick 25525159
    25525159
    GASKET, FRONT COVER(*02,04)
    $14.91 $13.05
    1
    Add To Cart
  • Buick 25525159
    25525159
    GASKET, ENGINE FRONT COVER(*01,02)
    $14.91 $13.05
    1
    Add To Cart
  • VALVE, Engine Oil Pressure
    Buick 25530949
    25530949
    VALVE, OIL PRESSURE(USE W/O TRANSVERSE HOLES/SLOT)
    $12.60
    1
    Add To Cart
  • Buick 25530949
    25530949
    VALVE, OIL PRESSURE USED W/O TRANSVERSE HOLES/SLOTS(REFERENCE:SERVICE BULLETIN 87-6-5{12/86} (ALSO PART OF 46)
    $12.60
    1
    Add To Cart
  • Buick 25528408
    25528408
    VALVE, OIL PRESSURE(USED W/TRANSVERSE HOLES/SLOT)
  • Buick 25528408
    25528408
    VALVE, OIL PRESSURE USED W/TRANSVERSE HOLES/SLOTS(REFERENCE:SERVICE BULLETIN 87-6-5{12/86} (ALSO PART OF 46)
  • KEY, Engine Crankshaft Pulley and Balancer
    Buick 1352537
    1352537
    KEY, BALANCE TO CRANKSHAFT (0.738)
  • Buick 1352537
    1352537
    KEY, BALANCE TO CRANKSHAFT
  • GASKET, Engine Coolant Pump
    Buick 24501565
    24501565
    GASKET, COOLANT PUMP COVER (ALSO PART OF 51)(*02,04)
  • Buick 24501565
    24501565
    GASKET, COOLANT PUMP COVER(PART OF 57)(*01,02)
  • NUT, Engine Camshaft & Valve Rocker Cover
    25519219
    NUT, ROCKER ARM COVER (5/16X18X.95)(6)
  • 25519219
    NUT, VALVE ROCKER ARM COVER
  • WASHER, Engine Crankshaft Pulley and Balancer
    Buick 25525918
    25525918
    WASHER, BALANCE TO CRANKSHAFT (1.72X.781)
  • Buick 25525918
    25525918
    WASHER, BALANCE TO CRANKSHAFT (1.72X.781)(1986)
  • BEARING, Engine Camshaft Thrust
    Buick 25532588
    25532588
    BEARING, W/SPRING,CAMSHAFT THRUST BEARING(WHEN USING ON 1988 & EARLIER,MAY BLACK ENAMEL USED IN PLACE OF THE THRUST BUTTON & SPRING DESIGN THAT IS ON THE ENGINE)
  • Buick 25532588
    25532588
    BEARING, W/SPRING,CAMSHAFT THRUST BEARING(WHEN USING ON 1988 & EARLIER,MAY BLACK ENAMEL USED IN PLACE OF THE THRUST BUTTON & SPRING DESIGN THAT IS ON THE ENGINE)(*04)
  • Buick 9441894
    9441894
    BOLT, BOLT, HEX FLANGED HEAD (5/16X18X1) 280M PHOSPHATE ORGANIC (2)
  • 11588711
    BOLT, HEX FLANGED HEAD,M6X1X16, 10 THREAD, 14.2 OUTSIDE DIAMETER, 8.8 STEEL, GMW3359(AS REQUIRED)
    $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(AS REQUIRED)(8.915)
    $12.60
    1
    Add To Cart
  • 11515768
    BOLT, HEX FLANGED HEAD,REDUCED BODY,M10X1.5X40,30THD,22.3 O.D.,HEADER POINT,10.9,7114M(AS REQUIRED)
    $4.89 $3.11
    10
    Add To Cart
  • 12547207
    TUBING, BULK, 3/16" X 20 FT ROLL,STEEL(1986)(AS REQUIRED)(8.964)
    $48.46 $25.68
    1
    Add To Cart
  • 12338017
    CLAMP, WORM GEAR (28.6-76.2DIA ALL STAINLESS STEEL BLOCK
    $8.41 $5.62
    5
    Add To Cart
  • Buick 11509226
    11509226
    NUT, HEXAGON W/CONICAL WASHER,M8X1.25,7.5THK,19 O.D.,9,ZINC(AS REQUIRED)
    • Replaced By: 11609412
    $7.38 $4.69
    1
    Add To Cart
  • Buick 11513783
    11513783
    SCREW, HEXAGON,M10X1.5X16,15 O.D.,9.8,PHOSPHATE ELECTRO-ORGANIC(AS REQUIRED)
    $7.06 $4.48
    1
    Add To Cart
  • 12337828
    SCREW, HEXAGON W/FLAT WASHER,TAP,M6.3X1.81X20,13.2 O.D.,ALUMINUM BASECOAT POINT,STEEL,PZ0R(AS REQUIRED)
    • Replaced By: 22527475
    $10.91 $6.94
    1
    Add To Cart
  • 11515754
    BOLT, HEAVY HEXAGON HEAD,M8X1.25X12,18 O.D.,10.9,PHOSPHATE ZINC ORGANIC(AS REQUIRED)
    $7.99 $5.07
    1
    Add To Cart
  • 12337820
    STRAP, 15" TIE STRAP(AS REQUIRED)
    $0.12 $0.07
    10
    Add To Cart
  • Buick 15966491
    15966491
    CLAMP, RUBBER CUSHION LOOP M19.8X15.9X8.7 ZINC COATED(AS REQUIRED)(1.240)
    • Replaced By: 11609882
    $17.60 $11.18
    1
    Add To Cart
  • 11516477
    BOLT, HEXAGON W/CONICAL WASHER (M6X1X13) 9.8 PHOSPHATE
    $15.35 $13.05
    1
    Add To Cart
  • 11516477
    BOLT, HEX WASHER HEAD,M6X1X13,13.2 OUTSIDE DIAMETER,6202M,7114M,TAP,TRIM-POINT(AS REQUIRED)
    $15.35 $13.05
    1
    Add To Cart
  • Buick 12337995
    12337995
    NUT, HEXAGON, M8X1.25X7.8, 15 OUTSIDE DIAMETER, GM 510M STEEL,PC(AS REQUIRED)(0.334)
    $5.56 $3.53
    10
    Add To Cart
  • Buick 22527587
    22527587
    CLAMP, WORM GEAR(AS REQUIRED)
    • Replaced By: 11517127
    $6.83 $4.57
    1
    Add To Cart
  • 11500424
    NUT, M10 X 1.5(AS REQUIRED)
    $2.31 $1.46
    10
    Add To Cart
  • 11500921
    BOLT, HEXAGON,M8X1.25X40,33.2THD,HEADER POINT,10.9,PC(AS REQUIRED)
    $11.14 $7.08
    10
    Add To Cart
  • Buick 11503890
    11503890
    SCREW, HEXAGON HEAD, SELF-TAP,W/FLAT WASHER,M6.3X1.81X16,PHOSPHATE ORGANIC(AS REQUIRED)
    $7.42 $4.95
    1
    Add To Cart
  • Buick 11507095
    11507095
    NUT, HEXAGON M6X1X5.5 9 PHOSPHATE ELECTRO ORGANIC(AS REQUIRED)
    $0.42 $0.34
    1
    Add To Cart
  • Buick 1635540
    1635540
    STUD, M8X1.25XM8X1.25X41 ZINC COATED(AS REQUIRED)
    $9.35 $5.94
    1
    Add To Cart
  • Buick 24500867
    24500867
    PLUG, BLOCK HOLES (1.5 DIAMETER CUP)
    $3.87 $2.46
    10
    Add To Cart
  • 25536321
    PIN, DOWEL 1/4"X 1/2"(PLAIN)(AS REQUIRED)
    $7.39 $4.69
    1
    Add To Cart
  • Buick 25536323
    25536323
    PIN, DOWEL 1/4"X 1 3/8"(ENGINE FRONT COVER LOCATING)(AS REQUIRED)
    $8.70 $5.53
    1
    Add To Cart
  • Buick 3835577
    3835577
    PLUG, FRONT OIL GALLEY (.587 DIAMETER)
    $2.88 $1.83
    1
    Add To Cart
  • Buick 11508202
    11508202
    BOLT, HEX FLANGED HEAD M10X1.5X20 9.8 PHOSPHATE ZINC ORGANIC(AS REQUIRED)
  • Buick 11508995
    11508995
    BOLT, HEX WASHER HEAD,TAP,M6.3X1.41X13,CADMIUM,13.0-OUTSIDE DIAMETER(AS REQUIRED)
  • 14062217
    CONNECTOR, VACUUM,M9.6 OUTSIDE DIAMETER BOTH ENDS PLASTIC(1986-88)(AS REQUIRED)
  • Buick 25524524
    25524524
    BOLT, HEX FLANGED HEAD (5/16X18X3/4) 280M PHOSPHATE ORGANIC (14)
  • Buick 25524524
    25524524
    BOLT, HEX FLANGED HEAD 5/16-18X3/4 280M PHOSPHATE ORGANIC 1/2 OUTSIDE DIAMETER FULL THREAD(AS REQUIRED)
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1986 Buick Lesabre parts. Parts like Engine Assembly are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0L, 6 Cyl 3.8L. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR.