×
My Garage
My Account
My Cart
Engine Assembly fit your 1985 Buick Century
My Vehicle Change Vehicle
1985 Buick Century
My Vehicle Change Vehicle
1985 Buick Century
Categories Close X
You have selected
Other Categories
Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware
Body Mounting, Air Conditioning, Audio/Entertainment
Body Wiring, Roof Trim
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
Transmission - Manual
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Parts Questions
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
Part Description
- SENSOR, Computer Control Sensors
- PIN, Engine Cylinder Head
- PIN, Engine Clutch Housing or Transmission
- SEALANT, Maintenance Products
- BOLT, Starter Motor
- BOLT, Intake & Exhaust Manifold
- COIL, Ignition Coil
MSRP: $114.26$54.391 
- GASKET, Engine Oil Pump Inlet
- FILTER, Engine Oil Filter
- GASKET, Engine Oil Pan Drain Plug
- BOLT, Engine Connecting Rod Cap
- SEAL KIT, Engine Rear Main Bearing
- GASKET, Emission System
- GASKET, Air Cleaner and Silencer
- BOLT, Engine Flywheel
- THERMOSTAT, Engine Coolant Temperature
10207373
THERMOSTAT, ENGINE COOLANT(195 DEGREE)(IDENTIFY BY WATER OUTLET WITH ROOM TEMPERATURE VULCANIZING NO SEALANT GASKET ON THERMOSTAT)(1ST DESIGN))MSRP: $19.20$10.701 
MSRP: $19.20$10.701- MSRP: $19.20$10.701
- MSRP: $19.20$10.701
10101864
THERMOSTAT, ENGINE COOLANT(ENGINE WATER OUTLET(IDENTIFY BY UNSEALED WATER OUTLET AND GASKET ON THERMOSTAT (2ND DESIGN))MSRP: $18.11$11.791
MSRP: $22.56$12.581
MSRP: $40.52$22.58- MSRP: $40.52$22.58
- CLAMP,A/C)
- VALVE, Engine Oil Pressure
- SENSOR, Distributor (also Knock Sensor)
- GROMMET, Engine Crankcase
- GASKET, Engine Front Cover
- STUD, Engine Front Cover
10182334
STUD, Engine Coolant, STUD, COOLANT OUTLET TO INTAKE MANIFOLD-OTBD (0.206)(M8 X 1.25 X 18 X 37.5)(EXCEPT NB9 OR WK6)MSRP: $17.22$11.575
- SPARK PLUG,Glow)
MSRP: $4.18$2.331 
MSRP: $4.18$2.331
MSRP: $3.92$2.191
- PLUG, Engine Block
25518880
CLAMP, Fuel Line, CLAMP,HEXAGON HEAD,WORM GEAR,.250-.625,.320 WIDE,STAINLESS STEEL(AS REQUIRED)(8.948)MSRP: $3.80$2.395
MSRP: $124.93$52.181
- ARM, Engine Valve Rocker
- NUT, Air Cleaner and Silencer
- SPRING, Engine Valve
MSRP: $24.42$12.941
MSRP: $13.44$8.541
- PULLEY, Fan and Coolant Pump
- PLUG, Engine Oil Pan Drain
- 10045847
SENSOR, Coolant Temperature (Engine Unit), SENSOR,COOLANT TEMPERATURE (BUTTON OUTER & CENTER TERMINAL, 3/8-18 THREAD)(WHITE)(AC12V STAMP)(3.682)(1985)MSRP: $71.52$34.431
- GASKET, Engine Camshaft & Valve Rocker Cover
MSRP: $3.50$1.861
- BOLT, Engine Oil Pump
- SPRING, Engine Oil Pressure
- PLUG, Plug Threaded
- VALVE, Emission Control System
- BOLT, Fuel Pump
- BOLT, Engine Oil Pan
- COVER, Engine Front Cover
- TUBE, Air Cleaner Intake
10045775
SENSOR, Fuel Pump Pressure, SENSOR, FUEL PUMP SWITCH & ENGINE OIL PRESSURE (W/GAGE)(1.800) (1983-87)- Replaced By:19244934
MSRP: $90.02$50.191- Replaced By:
MSRP: $6.30$4.005
- RETAINER, Engine Valve Rocker
- PACKING, Engine Front Cover & Crankshaft Seal
MSRP: $161.62$67.881
- LIFTER, Engine Valve Lifter
- SEAL, Fuel Injector Pump
- VALVE, Engine Oil Filter
- SWITCH, Throttle Control
- VALVE, Engine Crankcase
- GASKET, Engine Oil Pump Cover
MSRP: $13.75$8.741
MSRP: --$13.051
- PUMP, Fuel Pump
MSRP: $8.20$3.951
- FLYWHEEL, Engine Crankshaft
19244935
SENDER, Engine Oil Pressure/Temperature, SENDER,OIL PRESSURE GAGE(1/8-27 THREAD,80 PSI,1 BLADE TERMINAL)
- SWITCH, Coolant Temperature (Engine Unit)
MSRP: --$12.561
- GASKET, Engine Coolant Pump
MSRP: $11.13$5.811
- VALVE, Intake
- CLAMP, Ignition Distributor Housing
- GASKET, Manifold to Cylinder Head
MSRP: $58.79$29.151
- ROD, Engine Valve Push Rod
- CAMSHAFT, Engine
MSRP: --$26.971
- VALVE, Exhaust
MSRP: $24.87$15.811
- RING KIT, Engine Piston
- CAP, Engine Valve Spring
- CAP, Engine Oil Filler
MSRP: $8.77$3.731
- MSRP: $189.12$93.771
MSRP: $7.73$4.911
- BOLT, Engine Main Bearing Cap
- GASKET, Engine Cylinder Head
- COVER, Engine Valve Rocker & Camshaft
MSRP: $3.92$2.505
- SEAL, Engine Front Cover & Crankshaft Seal
- BOLT, Engine Cylinder Head
- INSULATOR, Throttle Body/Carburetor
- PUMP, Engine Oil Pump
- SEAL, Engine Valve
MSRP: $162.64$86.201
- WIRE, Spark Plug or Coil
- BEARING, Engine Camshaft & Balance Shaft Front
- GASKET KIT, Manifold to Cylinder Head
MSRP: $30.49$15.131 
- BEARING KIT, Engine Crankshaft Main
MSRP: $48.46$30.801 
MSRP: $34.75$18.141
MSRP: $23.95$13.051
MSRP: $33.18$21.101
MSRP: $3.94$2.511
- GASKET, Engine Oil Pan
- BEARING KIT, Engine Connecting Rod
MSRP: $41.93$26.651 
MSRP: $23.44$14.901
MSRP: $23.44$14.901
- CHAIN, Engine Timing
MSRP: $69.87$44.421
- BOLT, Engine Timing
- SWITCH, Thermo Vacuum
MSRP: $55.58$23.341
- SEAL, Engine Oil Pan
MSRP: $23.08$14.671
- OUTLET, Engine Coolant
MSRP: $6.58$4.181
MSRP: $9.35$5.941
MSRP: $6.91$4.381
MSRP: --$17.231
- MSRP: $3.92$2.191
- SHAFT, Engine Oil Pump
- PACKING, Engine Rear Main Bearing
- STUD, Intake & Exhaust Manifold
MSRP: $18.11$8.341
MSRP: $5.33$3.3910
- SPROCKET, Engine Crankshaft/Timing
- MSRP: $18.18$13.051
- BOLT, Ignition Distributor Housing
- MSRP: $209.84$103.581
- BOLT, Engine Camshaft Gear
MSRP: $5.82$3.701
- NUT, Engine Connecting Rod Bolt
MSRP: $10.63$6.761
MSRP: $23.53$14.951
MSRP: $9.79$6.211
- GLOW PLUG,Glow)
MSRP: $18.58$10.361
MSRP: $5.46$3.471
- SCREEN, Engine Oil Pump
- SHIELD, Engine Valve
- SHIM, Starter Motor
- BEARING
- INDICATOR, Engine Oil Level
- GUIDE, Engine Valve Push Rod Cover
- BRACKET
- HUB, Engine Crankshaft And Camshaft Balancer
- KEY, Engine Camshaft Gear
- TUBE, Engine Oil Level
- MANIFOLD, Engine Fuel Intake Manifold
- PLUG, Engine Camshaft & Balance Shaft Hole
- COVER, Engine Valve Push Rod Cover
- STUD
- MANIFOLD, Engine Exhaust Manifold
- WASHER, Engine Crankshaft Pulley And Balancer
- ROD, Engine Piston
- CRANKSHAFT, Engine
- PAN, Engine Oil
- GASKET, Engine Coolant Outlet
- STARTER, Starter Motor
- BOLT
- CAP, Engine Oil Pressure
- RETAINER, Spark Plug Ignition Wire
- WASHER
- PUMP, Engine Coolant
- COVER KIT, Engine Front Cover
- PUMP KIT, Engine Oil Pump
- HEAD, Engine Cylinder
- PLUG
12346141
SEALER, Maintenance Products, SEALER, ROOM TEMPERATURE VULCANIZING T-330,3 OUNCE. CARTRIDGE(AS REQUIRED)
- PUMP KIT
- BOLT, Engine Valve Rocker Arm Shaft
- SCREW
- SPROCKET, Engine Camshaft
- COVER, Engine Oil Pump
- STUD, Engine Camshaft & Valve Rocker Cover
14090538
REINFORCEMENT, Engine Camshaft & Valve Rocker Cover, REINFORCEMENT, VALVE ROCKER COVER (1986)
- PISTON, Engine Piston
22531535
CONTROLLER, Voltage and Glow Plug, CONTROLLER,GLOW PLUG(FOR SOME 1984 USAGE CONNECT 12049242 MAY BLACK ENAMEL REQUIRED)(1984-85)(*03)
- SWITCH KIT
- SWITCH
- REGULATOR, Engine Crankcase
25041743
SEPARATOR KIT, Evaporation Emission System(Fuel Tank End), SEPARATOR KIT, FUEL VAPOR CANISTER(1.745)
- CLEANER, Air Intake
- BOLT, Generator Mounting
- PLUG, Engine Cylinder Head
- BOLT, Engine Front Cover
- SPRING, Accelerator Return Spring
25524313
HOSE, Engine Coolant By-Pass, HOSE, COOLANT BY-PASS (COOLANT PUMP COVER TO INTAKE MANIFOLD)(HAS 2 BY-PASS NIPPLES) (2ND DESIGN)(*07)
- PULLEY, Engine Crankshaft And Camshaft Balancer
355786
FITTING, Intake Manifold Vacuum, FITTING,INTAKE MANIFOLD VACUUM(3/8-18,4 PORTION)(DRY SEAL)(USE 343350 TO CAP UNUSED OTLTS)(1982-84)
- GASKET
MSRP: $11.18$7.1140
MSRP: $65.28$34.601
11516802
BOLT/SCREW, HEXAGON W/CONICAL WASHER,M8X1.5X23,18 THREAD,17 OUTSIDE DIAMETER,9.8,7114M,MACHINE,4MM DOG POINT(AS REQUIRED)MSRP: --$13.051
MSRP: $9.35$5.941
- MSRP: $5.46$3.471
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1985 Buick Century 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: 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR.