Engine Assembly fit your 1986 Buick Riviera

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1986 Buick Riviera

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Vehicle Options

6 Cyl 3.8L SFI; 4-Speed Automatic Transmission, THM440-T4/4T60

Vehicle Options

6 Cyl 3.8L SFI; 4-Speed Automatic Transmission, THM440-T4/4T60

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Engine

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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

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

Parts Questions

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SENSOR, Computer Control Sensors

15326386
SENSOR, COOLANT TEMPERATURE (W/U52)(1.150)
$51.06 $27.06
1
Add To Cart
19211437
SENSOR, EXHAUST OXYGEN (1 WIRE)
$33.26 $15.80
1
Add To Cart

12338076
PIN, Engine Clutch Housing or Transmission, PIN, TRANS LINE UP
$1.78 $1.13
1
Add To Cart

BOLT, Starter Motor

11610633
BOLT, START MOTOR INBOARD HOLE (M10X114)
$9.60 $5.09
1
Add To Cart
14001842
BOLT, START MOTOR OUTBD HOLE (M10X46)

12581570
GASKET, Engine Oil Pump Inlet, GASKET, OIL PUMP SUCTION PIPE FLANGE(*01,02)
$15.83 $10.06
10
Add To Cart

24505924
THERMOSTAT, Engine Coolant Temperature, THERMOSTAT, COOLANT (195 DEGREE)
$36.78 $18.12
1
Add To Cart

14090908
GASKET, Engine Oil Pan Drain Plug, GASKET, DRAIN PLUG
$5.16 $3.28
1
Add To Cart

12547207
TUBING, Fuse, TUBING,BULK, 3/16" X 20 FT ROLL,STEEL(1986)(AS REQUIRED)(8.964)
$48.46 $25.68
1
Add To Cart

25531956
BOLT, Engine Connecting Rod Cap, BOLT, CONNECT ROD
$3.71 $2.36
1
Add To Cart

11609746
NUT, Distributor (also Knock Sensor), NUT, MOD & COIL
$4.42 $2.81
12
Add To Cart

LIFTER, Engine Valve Lifter

17122490
LIFTER, VALVE ROLLER (1987)
$60.54 $36.58
1
Add To Cart
5234485
LIFTER, VALVE (1986)

12573338
CAP, Engine Oil Filler, CAP, OIL FILL
$15.11 $8.32
1
Add To Cart

1470030
CLAMP,A/C), CLAMP, WORM TYPE (.56"TO 1.06"DIAMETER)
- Replaced By: 11610236
$7.38 $4.69
1
Add To Cart

25523951
TUBE, Engine Coolant By-Pass, TUBE, WATER BY PASS
$37.45 $17.40
1
Add To Cart

SENSOR, Distributor (also Knock Sensor)

25523227
SENSOR, CAM POSITION
$66.04 $29.82
1
Add To Cart
10456287
SENSOR, ELECTRONIC SPARK CONTROL KNOCK
12537109
SENSOR, CROSS/SHAFT POSITION

19210284
FILTER, Engine Oil Filter, FILTER, OIL (PF47)
- Replaced By: 12731175
$8.76 $4.88
1
Add To Cart

25534742
GASKET, Engine Oil Filter, GASKET, OIL FILTER ADAPTER(*01,02)
$22.37 $14.22
5
Add To Cart

25522376
PULLEY, Fan and Coolant Pump, PULLEY, COOLANT PUMP
$58.24 $43.68
1
Add To Cart

12584591
CLIP, Fuel Injector Metering, CLIP,FUEL INJECTOR
$25.08 $13.29
1
Add To Cart

SHIELD, Spark Plug Ignition Wire

19329681
SHIELD, SPARK PLUG HEAT
$11.54 $6.43
1
Add To Cart
19329681
SHIELD, SPARK PLUG WIRE
$11.54 $6.43
1
Add To Cart

24500960
PUMP, Engine Oil Pump, PUMP, OIL
$37.83 $18.75
1
Add To Cart

1358909
SPRING, Engine Timing, SPRING, TIMING CHAIN DAMPER

25519368
REGULATOR, Fuel Injection, REGULATOR, FUEL PRESSURE

25526395
BOLT, Distributor (also Knock Sensor), BOLT, FUEL & IGNITION CAM SENSOR

25530415
BOLT, Engine Crankshaft Pulley and Balancer, BOLT, CROSS SHAFT BALANCE & PULLEY

3921988
PLUG, Engine Oil Pan Drain, PLUG, OIL PAN DRAIN (8.971)
$6.32 $2.44
5
Add To Cart

88891769
BOLT, Intake & Exhaust Manifold, BOLT, INTAKE MANIFOLD TO HEAD (3/8-16X37) 275M
$13.05
1
Add To Cart

25521935
COVER, Engine Oil Pump, COVER, OIL PUMP

12537495
PUMP KIT, Engine Coolant, PUMP KIT,WATER(W/GASKET)
$179.32 $33.09
1
Add To Cart

19178978
SEAL KIT, Multi Port Fuel Injection Fuel Rail, SEAL KIT,FUEL INJECTOR
$46.06 $24.41
1
Add To Cart

CAMSHAFT, Engine

25531056
CAMSHAFT, ENGINE (1987)
$316.98 $157.19
1
Add To Cart
25523930
CAMSHAFT, ENGINE (1986)

BOLT, Engine Cylinder Head

25525953
BOLT, CYL HEAD TO CYL BLOCK
$13.05
1
Add To Cart
25527831
BOLT, CYL HEAD TO CYL BLOCK
$13.05
1
Add To Cart

88894338
CORE, Fuel Feed Pipe Valve, CORE, FUEL FEED PIPE VALVE
$8.42 $4.05
1
Add To Cart

25515222
FLYWHEEL, Engine Crankshaft, FLYWHEEL, W/RING GEAR

25526450
GASKET, Distributor (also Knock Sensor), GASKET, COIL & MOD (C3I)(MAGNA)(*02)

12074037
WIRE KIT, Spark or Glow Plug Ignition, WIRE KIT, SPARK PLUG (STYLE B)(USED W/DELCO REMY)
$65.34 $20.32
1
Add To Cart

12328760
GASKET KIT, Manifold to Cylinder Head, GASKET KIT, INTAKE MANIFOLD(*04)
$54.57 $27.06
1
Add To Cart

12338340
BEARING KIT, Engine Crankshaft Main, BEARING KIT, CRANKSHAFT
$24.60 $13.05
1
Add To Cart

12350249
GASKET, Engine Oil Pan, GASKET, OIL PAN(*01)
$28.51 $18.12
1
Add To Cart

12353801
COIL, Ignition Coil, COIL, IGNITION (C3I)(*02)
$223.66 $106.47
1
Add To Cart

12537202
CHAIN, Engine Timing, CHAIN, TIMING
$79.56 $39.45
1
Add To Cart

12582313
SEAL, Engine Front Cover & Crankshaft Seal, SEAL, CRANKSHAFT FRONT COVER(*01,02)
$19.14 $12.16
1
Add To Cart

14090911
PLUG, Plug Threaded, PLUG, DRY SEAL (3/8-18X.42)(AS REQUIRED)
$7.51 $4.77
1
Add To Cart

1635540
STUD, Multi Port Fuel Injection Throttle Body, STUD, THROTTLE BODY(*02)
$9.35 $5.94
1
Add To Cart

1635540
STUD, Emission System, STUD,EGR VALVE
$9.35 $5.94
1
Add To Cart

19260720
MODULE, Distributor (also Knock Sensor), MODULE, ELECTRODE IGNITION (C3I-COIL)(TYPE 1 MAGNA)(*02)
$498.88 $155.05
1
Add To Cart

19300749
SPARK PLUG,Glow), SPARK PLUG, (R44TLS)
- Replaced By: 19354420
$4.18 $2.33
1
Add To Cart

24503856
KEY, Engine Valve Spring Cap, KEY, VALVE STEM
$5.47 $3.48
10
Add To Cart

BOLT, Engine Front Cover

24504713
BOLT, ENGINE FRONT COVER (4)(1.840)
$9.36 $5.95
10
Add To Cart
24504716
BOLT, ENGINE FRONT COVER (4)
$7.70 $4.89
1
Add To Cart

25512098
VALVE, Intake, VALVE, INTAKE
$26.53 $13.15
1
Add To Cart

STUD, Intake & Exhaust Manifold

25512686
STUD, INTAKE MANIFOLD TO CYL HEAD (3/8-16X33.5)
$3.84 $2.44
1
Add To Cart
25512686
STUD, INTAKE MANIFOLD TO CYL HEAD (3/8-16X1.3,3/8-16X1.2)
$3.84 $2.44
1
Add To Cart
25523399
STUD, W/WASHER, INTAKE MANIFOLD TO CYL HEAD
25526575
STUD, EXHAUST MANIFOLD (3/8-16X.92)

25518526
GASKET, Engine Camshaft & Valve Rocker Cover, GASKET, VALVE ROCKER ARM COVER(*01,04)
$16.41 $13.05
1
Add To Cart

25518660
GROMMET, Engine Camshaft & Valve Rocker Cover, GROMMET, VALVE ROCKER ARM COVER STUD
$13.05
1
Add To Cart

25519242
BOLT, Engine Oil Pump, BOLT, OIL PUMP COVER
$1.75 $1.12
1
Add To Cart

25521396
HOSE, Throttle Body Coolant Supply, HOSE, THROTTLE BODY WATER INLET
$13.05
1
Add To Cart

25521841
VALVE, Exhaust, VALVE, EXHAUST
$32.65 $16.19
1
Add To Cart

BOLT

3836646
BOLT, SPECIAL HEXAGON (.375-16X1.625)(AS REQUIRED)
$13.05
1
Add To Cart
25522610
BOLT, HARNESS VACUUM

25523695
SPRING, Engine Valve, SPRING, W/DAMPER VALVE
$13.05
1
Add To Cart

25523858
SEAL, Exhaust Pipe, SEAL, EXHAUST MANIFOLD PIPE
$16.32 $13.05
1
Add To Cart

25525159
GASKET, Engine Front Cover, GASKET, ENGINE FRONT COVER(*01,02)
$14.91 $13.05
1
Add To Cart

25526619
GUIDE, Engine Valve Lifter, GUIDE, LIFTER
$13.05
1
Add To Cart

25527101
MANIFOLD, Engine Exhaust Manifold, MANIFOLD, HEAT SHIELD EXHAUST
$286.39 $142.02
1
Add To Cart

VALVE, Engine Oil Pressure

25530949
VALVE, OIL PRESSURE USED W/O TRANSVERSE HOLES/SLOTS(REFERENCE:SERVICE BULLETIN 87-6-5) (ALSO PART OF 46)
$12.60
1
Add To Cart
25528408
VALVE, OIL PRESSURE USED W/TRANSVERSE HOLES/SLOTS(REFERENCE:SERVICE BULLETIN 87-6-5) (ALSO PART OF 46)

25528628
SPROCKET, Engine Crankshaft/Timing, SPROCKET, CRANKSHAFT
$48.59 $24.10
1
Add To Cart

25532162
ROD, Engine Valve Push Rod, ROD, VALVE PUSH
$13.05
1
Add To Cart

SEAL, Engine Valve

25535162
SEAL, INTAKE VALVE
$13.05
1
Add To Cart
88891760
SEAL, EXHAUST VALVE STEM OIL
$13.05
1
Add To Cart

6487936
VALVE, Engine Crankcase, VALVE, CRANKCASE VENT
$8.38 $5.99
10
Add To Cart

89017700
BEARING KIT, Engine Connecting Rod, BEARING KIT, CONNECT ROD (STD)
$24.07 $15.30
1
Add To Cart

10008053
SHIM, Starter Motor, SHIM, START MOTOR (2.00 MM)

11501167
SCREW, SCREW,M4.2-1.41X25(AS REQUIRED)

11509181
BOLT, Carburetor to Manifold, BOLT, TORQUE STRUT TO INTAKE MANIFOLD (M8X1.25X25)

12043896
CHANNEL KIT, Spark Plug Ignition Wire, CHANNEL KIT, SPARK PLUG WIRE FRONT

12060336
HARNESS, Chassis Wiring, HARNESS, FUEL INJECTOR

GROMMET, Engine Crankcase

1231486
GROMMET, ROCKER ARM COVER CRANKCASE VENT VALVE
1381487
GROMMET, INTAKE MANIFOLD CRANKCASE VENT VALVE

12329552
COVER KIT, Engine Front Cover, COVER KIT, ENGINE FRONT (INCLUDE 58, 66)

12332785
ARM & PEDESTAL KIT, ARM & PEDESTAL KIT,CYL HEAD

12353406
PAN, PAN, ENGINE OIL

12480720
MANIFOLD, Engine Fuel Intake Manifold, MANIFOLD, INTAKE

12486391
NIPPLE, NIPPLE, WATER BY PASS HOSE

1352537
KEY, KEY, BALANCE TO CRANKSHAFT

1356635
BOLT, Engine Timing, BOLT, TIMING CHAIN DAMPER TO BLOCK

17111583
VALVE, Egr, VALVE, EGR

24500873
CAP, Engine Valve Spring, CAP, VALVE SPRING

24501340
PACKING, Engine Rear Main Bearing, PACKING, REAR MAIN BEARING OIL SEAL(*01)

24501362
BOLT, Engine Oil Pan, BOLT,OIL PAN(3)
- Require Quantity: 03
- Package Quantity: 1

24501565
GASKET, Engine Coolant Pump, GASKET, COOLANT PUMP COVER(*01,02)

25011523
VALVE, VALVE, FILTER BY PASS

25506520
ROD, Engine Piston, ROD, CONNECT (STD)(.842TO.846WIDTH)

25513252
PLUG, Engine Cylinder Head, PLUG, CYL BLOCK REAR (1 1/8 CUP)

25516025
CRANKSHAFT, Engine, CRANKSHAFT, ENGINE

25517507
CONNECTOR, Emission System, CONNECTOR, EGR VACUUM (STRAIGHT)(3.278)(1986-87)

25517607
BOLT, Engine Main Bearing Cap, BOLT, CRANKSHAFT BEARING CAP

25518546
COVER, Engine Valve Rocker & Camshaft, COVER, VALVE ROCKER ARM-RH

25519219
NUT, NUT, VALVE ROCKER ARM COVER

25519277
WASHER, Engine Camshaft & Valve Rocker Cover, WASHER, VALVE ROCKER ARM COVER NUT

25519290
BOLT, Engine Coolant Pump, BOLT,WATER PUMP(COOLANT)(TO FRONT COVER)

25519860
STUD, Engine Cylinder Head, STUD, PEDESTAL

25519986
BRACKET, Distributor (also Knock Sensor), BRACKET, MOD & COIL(*02)

25521361
PLUG, Engine Camshaft & Balance Shaft Hole, PLUG, CAMSHAFT REAR BEARING LOCATING (EXPANSION CUP)

25522041
TUBE, Engine Crankcase Ventilation, TUBE, CRANKCASE VENT

25522194
OUTLET, Engine Coolant, OUTLET, COOLANT

25522387
RETAINER, RETAINER, ROCKER ARM PEDESTAL

25522730
REINFORCEMENT, Engine Oil, REINFORCEMENT, OIL PAN TO CYL BLOCK

25522896
HOSE, HOSE, THOT BODY WATER OUTLET

25522909
CONNECTOR, Distributor Vacuum Control, CONNECTOR, VACUUM PIPE TO VACUUM BLOCK(1986-87)

25523115
SPROCKET, Engine Camshaft, SPROCKET, CAMSHAFT

25523191
BLOCK, Distributor Vacuum Advance, BLOCK, VACUUM CONNECT TO THROTTLE BODY(1986-87)

25523377
SEAL, Engine Crankshaft And Camshaft Balancer, SEAL, BALANCE HUB(*01,02)

25523739
PIPE, Exhaust Pipe, PIPE, EXHAUST CROSSOVER

25524301
BEARING, BEARING, CAMSHAFT

25524565
BODY, Fuel Injection Air Meter, BODY, THROTTLE(*02)

25524572
HOSE, Engine Coolant By-Pass, HOSE, WATER BY PASS

25525918
WASHER, Engine Crankshaft Pulley And Balancer, WASHER, BALANCE TO CRANKSHAFT (1.72X.781)(1986)

25525919
GASKET, Engine Cylinder Head, GASKET, CYL HEAD(*01,04)

25526343
HARNESS, Emission System, HARNESS, PCV PURGE VACUUM

25526620
RETAINER, Engine Valve Lifter Cam, RETAINER, LIFTER GUIDE

25526719
STUD, STUD, REAR LIFT PLATE TO CYL HEAD

25526902
RAIL, Fuel Injection, RAIL, FUEL FEED

25527178
PISTON, Engine Piston, PISTON, W/PINION

TUBE, Engine Oil Level

25527337
TUBE, OIL LEVEL INDICATOR (1986)
25531507
TUBE, OIL LEVEL INDICATOR (1987)

25527516
HEAD, Engine Cylinder, HEAD, CYL

25527683
HARNESS, Engine and Transmission Controlled Spark, HARNESS, VACUUM (CPC)(1987)

25527750
TENSIONER, Engine Cooling, TENSIONER, DOOR BELT

PIPE, Fuel Line

25528411
PIPE, FUEL INJECTION FUEL FEED(AT FUEL INJECTION)
25528411
PIPE, FUEL INJECTION FUEL FEED

25528822
RING KIT, Engine Piston, RING KIT, PISTON

25529875
SPRING, Engine Oil Pressure, SPRING, OIL PRESSURE VALVE (ALSO PART OF 46)

25530599
GASKET, Emission System, GASKET, EGR VALVE

25531467
INJECTOR, Fuel Injection, INJECTOR, FUEL

25531505
INDICATOR, Engine Oil Level, INDICATOR, OIL LEVEL

25531725
MAGNET, Distributor (also Knock Sensor), MAGNET, CAM SENSOR (ON CAM SPROCKET)(2.383)

25532179
PULLEY, Engine Crankshaft And Camshaft Balancer, PULLEY, CRANKSHAFT

25532214
HOUSING, Engine Oil Pump Inlet, SCREEN,OIL PUMP

25532523
CONTROL, CONTROL, EGR VALVE VACUUM

25532537
STUD, Engine Front Cover, STUD, ENGINE FRONT COVER

25532588
BEARING, Engine Camshaft Thrust, BEARING,W/SPRING,CAMSHAFT THRUST BEARING (INCLUDE 70)(WHEN USING THIS BEARING, IT MAY BLACK ENAMEL USED IN PLACE OF THE THRUST BUTTON AND SPRING DESIGN ON THE ENGINE)(*04)

BOLT, Engine Camshaft Gear

25532735
BOLT, CAMSHAFT SPROCKET
25532736
BOLT, W/WASHER CAMSHAFT SPROCKET TO CAMSHAFT

25534181
BOLT, Engine Oil Filter, BOLT, FILTER ADAPTER

25535321
BOLT, Engine Flywheel, BOLT, FLYWHEEL & RING GEAR

25535668
DAMPENER, Engine Timing, DAMPENER, TIMING CHAIN

25536028
GASKET, Distributor Vacuum Control, GASKET, HARNESS VACUUM

25537080
HEATER, Engine Coolant Heater, HEATER, ENGINE BLOCK

25537239
ADAPTER, Engine Oil Filter, ADAPTER, OIL FILTER (W/BY PASS VALVE)

25602318
BOLT, Front Fender, BOLT,HEXAGON W/CONICAL WASHER M5X.8X13 HRD POINT 9.8 PHOSPHATE ORGANIC(AS REQUIRED)

3040674
SWITCH, Engine Air Cooling(Electrical), SWITCH, FAN CONTROL

3532954
SENSOR, Engine Oil Pressure/Temperature, SENSOR, FUEL PUMP SWITCH & ENGINE OIL PRESSURE

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

12338017
CLAMP, WORM GEAR,28.6-76.2, STAINLESS STEEL(HOSE (33.3 TO 57.2MM))(AS REQUIRED)
$8.41 $5.62
5
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

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

11507095
NUT, HEXAGON M6X1X5.5 9 PHOSPHATE ELECTRO ORGANIC(AS REQUIRED)
$0.42 $0.34
1
Add To Cart

25536323
PIN, DOWEL 1/4"X 1 3/8"(ENGINE FRONT COVER LOCATING)(AS REQUIRED)
$8.70 $5.53
1
Add To Cart

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(1986-87)(AS REQUIRED)

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 Riviera 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 3.8L. Model Code: RIVIERA, T TYPE.