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Engine Assembly fit your 1985 Buick Century
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1985 Buick Century
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- SENSOR, Computer Control Sensors
$46.88 $24.851
15326386
SENSOR, Computer Control Sensors, SENSOR,COOLANT TEMPERATURE (2 BLADE TERMINAL,3/8-18 THREAD) (USED FOR CLUSTERS W/OIL GAGE & LIGHT COMBINATION)(GOES WITH 12040753 CONNECT)(1985)$46.88 $24.851
$7.55 $4.721
- PIN, Engine Clutch Housing or Transmission
$2.26 $1.641
12378521
SEALANT, Maintenance Products, SEALANT,ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(AS REQUIRED)
$12.60 $4.691
$12.60 $4.691
- $12.60 $4.691
- $12.60 $4.691
- BOLT, Intake & Exhaust Manifold
$15.83 $9.9210
$15.83 $9.9210
$8.54 $4.901
- GASKET, Engine Oil Pan Drain Plug
$5.48 $3.431
$33.92 $18.91
$3.71 $2.361
$3.71 $2.361
- SEAL KIT, Engine Rear Main Bearing
$6.12 $3.3710
- 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))$20.12 $10.661 
10101864
THERMOSTAT, ENGINE COOLANT(ENGINE WATER OUTLET(IDENTIFY BY UNSEALED WATER OUTLET AND GASKET ON THERMOSTAT (2ND DESIGN))$18.11 $2.041
- THERMOSTAT, Engine Coolant Temperature
$20.12 $10.661 
$24.14 $12.791
- $20.12 $10.661
- THERMOSTAT, Engine Coolant Temperature$20.12 $10.661
$40.52 $22.58
$5.51 $3.441
$8.87 $5.641
- $8.87 $5.641
$12.44 $8.3210
$25.45 $16.181
10456287
SENSOR, Distributor (also Knock Sensor), SENSOR,ELECTRONIC SPARK CONTROL KNOCK(1 BUTTON TERMINAL,1/4-18 THREAD)(STAMPED DOOR-562)
$19.11 $12.845
- 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)$19.11 $12.845
$11.46 $6.921
$4.63 $2.895
25518880
CLAMP, Fuel Line, CLAMP,HEXAGON HEAD,WORM GEAR,.250-.625,.320 WIDE,STAINLESS STEEL(AS REQUIRED)(8.948)$4.64 $2.905
$4.18 $2.301
$7.20 $4.691
$124.93 $44.981
- NUT, Air Cleaner and Silencer
$139.04 $84.011
$13.051
$18.75 $13.051
$27.18 $14.411
- GROMMET, Engine Crankcase
$13.44 $8.541
- $74.92 $36.721
- SENSOR, Coolant Temperature (Engine Unit)
$3.78 $2.001
$5.01 $3.105
- TUBE, Air Cleaner Intake
$31.26 $21.751
$17.94 $11.691
$17.94 $11.691
- $17.94 $11.691
$18.34 $10.521
$6.32 $2.445
- $6.32 $2.445
- $6.32 $2.445
$10.17 $8.331
$10.17 $8.331
$7.19 $4.57
$13.055
$13.055
- GASKET, Engine Camshaft & Valve Rocker Cover
$6.30 $4.005
$10.82 $5.9510
$2.27 $0.731
$2.27 $0.731
$11.53 $6.961
$2.32 $1.471
- $46.98 $24.901
19244935
SENDER, Engine Oil Pressure/Temperature, SENDER,OIL PRESSURE GAGE(1/8-27 THREAD,80 PSI,1 BLADE TERMINAL)$139.40 $44.481
$8.43 $4.461
$13.75 $8.741
$5.75 $5.491
$13.051
$19.07 $11.601
$75.50 $45.611
$106.73 $5.171
$8.38 $1.2010
$9.04 $4.431
10045775
SENSOR, Fuel Pump Pressure, SENSOR, FUEL PUMP SWITCH & ENGINE OIL PRESSURE (W/GAGE)(1.800) (1983-87)- Replaced By: 19244934
- SWITCH, Throttle Control
$4.26 $2.161
$58.79 $29.151
$4.641
$24.87 $15.811
- COVER, Engine Valve Push Rod Cover
$12.01 $7.631
$8.77 $5.341
$189.12 $93.771
$5.12 $2.191
$7.73 $4.911
$17.34 $9.541
$30.41 $18.371
$40.12 $19.891
$119.95 $59.481
$3.92 $2.505
$4.35 $2.771
$30.19 $14.961
$7.67 $5.341
$17.95 $13.811
- $17.95 $13.811
- COVER, Engine Valve Rocker & Camshaft
$13.051
$7.97 $4.991
- $7.97 $4.991
$2.72 $1.711
$162.64 $64.641
$20.49 $10.931
$15.50 $13.051
$15.50 $13.051
12326446
CONVERSION KIT, Engine Coolant By-Pass, CONVERSION KIT, COOLANT BY-PASS (ON ENGINE HAVING PUMP W/O BY-PASS NIPPLE,USE KIT #25526634 (FOR 14 & 20 BOLT OIL PANS)(*06,07)$40.34 $28.071
$6.45 $4.101
$34.75 $18.141
$4.46 $2.821
$3.94 $2.511
$30.00 $18.811
- $30.00 $18.811
$131.54 $65.231
- ROD, Engine Valve Push Rod
- COIL, Ignition Coil
$107.70 $52.181 
$30.49 $15.131
$13.051
$71.76 $45.631
$15.11 $13.051
$1.71 $1.091
$13.051
- $19.90 $13.851
$0.37 $0.231
$23.71 $15.071
$13.051
15596518
BOLT, Intake & Exhaust Manifold, BOLT, EXHAUST MANIFOLD TO CYL HEAD (M10X1.5X56.5)(POSITIVE #3)$13.051
$6.58 $4.181
$9.35 $5.941
$6.91 $4.381
$117.24 $5.681
$61.26 $37.021
$23.95 $13.051
$4.18 $2.301
$3.92 $2.191
- $3.92 $2.191
- 19333510
SEALANT, Maintenance Products, SEALANT, GASKET MAKER (VIBRA-TITE 730)(1.69 OUNCE)(AS REQUIRED)$37.70 $20.741
- $114.58 $41.501
$72.03 $50.411
22650714
STUD, Intake & Exhaust Manifold, STUD, MANIFOLD (STRUT BRACKET/COMPRESSOR REAR BRACE)(M10 X 1.5 X 20 X 60)$33.14 $21.061
23500832
STUD, Intake & Exhaust Manifold, STUD, MANIFOLD (FILTER BRACKET)(EXCEPT NB9 OR WK6)(M10 X 1.5 X 58 X 17)$13.051
$18.11 $8.341
$4.07 $2.5910
$5.72 $3.5910
$8.72 $4.621
$13.051
$203.29 $141.461
$13.051
- VALVE, Intake
$29.97 $20.861
- $18.18 $13.051
- BOLT, Engine Cylinder Head
- BOLT, Engine Cylinder Head
$35.70 $17.701
- $35.70 $17.701
$19.83 $10.601
$5.82 $3.701
$7.36 $4.611
$26.88 $17.081
$7.23 $6.751
$10.63 $6.761
$6.28 $4.151
$23.53 $14.951
$18.97 $17.461
$7.18 $4.351
$5.401
$36.83 $18.271
$13.46 $13.051
$10.951
$9.79 $6.131
$15.56 $7.391
- GLOW PLUG,Glow)
$18.58 $10.361
$68.25 $39.141
- PUMP, Fuel Pump
$34.07 $21.371
$25.21 $15.811
$25.21 $15.811
$49.78 $24.471
- $49.78 $24.471
$5.46 $3.471
- MANIFOLD, Engine Fuel Intake Manifold
- STUD, Engine Lift
- BOLT, Engine Main Bearing Cap
- INSULATOR, Throttle Body/Carburetor
- $40.52 $22.58
- RETAINER, Spark Plug Ignition Wire
12337246
COVER KIT, Engine Front Cover, COVER KIT,ENGINE FRONT(INCLUDE GASKETS,PACKING,SHEDDER)(1982-84)
12337246
COVER KIT, Engine Front Cover, COVER KIT, W/GASKETS, ENGINE FRONT (INCLUDE #56,59,62 & #69 ON PART II)(1984)
- BOLT, Intake & Exhaust Manifold
12346141
SEALER, Maintenance Products, SEALER, ROOM TEMPERATURE VULCANIZING T-330,3 OUNCE. CARTRIDGE(AS REQUIRED)
$0.59 $0.38
- ROD, Engine Piston
- VALVE, Exhaust
1262835
CAMSHAFT, Engine, CAMSHAFT(14 BOLT OIL PAN & EDGE OF CAMSHAFT WITH CAST DIMPLES OR BROWN PAINT STRIPE BY CENTER LOBES)(1ST DESIGN)
$8.76 $4.88
- $8.76 $4.88
- $8.76 $4.88
- STUD, Engine Camshaft & Valve Rocker Cover
14085481
CRANKSHAFT, Engine, CRANKSHAFT, ENGINE (GOODWRENCH)(KEY-TORSIONAL DAMPER#14089209 REQ'D)(*01)
14090538
REINFORCEMENT, Engine Camshaft & Valve Rocker Cover, REINFORCEMENT, VALVE ROCKER COVER (1986)
14092906
STUD, Engine Camshaft & Valve Rocker Cover, STUD, VALVE ROCKER COVER (M6X1X13/M6X1X21.5,TL 40.5 TORX DOG POINT)
- STUD, Intake & Exhaust Manifold
- VALVE, Emission Control System
- STARTER, Starter Motor
- 22514872
GASKET KIT, Manifold to Cylinder Head, GASKET KIT, INTAKE MANIFOLD (1982-84)(1958 EXCEPT WK6)
22531535
CONTROLLER, Voltage and Glow Plug, CONTROLLER,GLOW PLUG(FOR SOME 1984 USAGE CONNECT 12049242 MAY BLACK ENAMEL REQUIRED)(1984-85)(*03)
- SWITCH, Coolant Temperature (Engine Unit)
25036378
SWITCH KIT, Engine Oil Pressure/Temperature, SWITCH KIT,OIL PRESSURE(3 BLADE TERMINAL,1/4-18 THREAD)
25036601
SWITCH, Early Fuel Evaporation Control, SWITCH,EFE HEATER COOLANT TEMPERATURE(2 BLADE TERMINAL,3/8-18 THREAD)(1984-86)
- REGULATOR, Engine Crankcase
- REGULATOR, Engine Crankcase
25041743
SEPARATOR KIT, Evaporation Emission System(Fuel Tank End), SEPARATOR KIT, FUEL VAPOR CANISTER(1.745)
- CLEANER, Air Intake
- SEAL, Engine Valve
25521361
PLUG, Engine Camshaft & Balance Shaft Hole, PLUG,CAMSHAFT REAR BEARING LOCATING (EXPANSION CUP)(1985)
25521361
PLUG, Engine Camshaft & Balance Shaft Hole, PLUG, CAMSHAFT REAR BEARING LOCATING (EXPANSION CUP)(1985)
- 25523094
TUBE, Engine Oil Level, TUBE,OIL LEVEL INDICATOR(USED WITH INDICATOR STAMP 25522307)(2ND DESIGN)
25523099
MANIFOLD, Engine Exhaust Manifold, MANIFOLD,EXHAUST-LH (MUST BLACK ENAMEL USED WITH OIL LEVEL INDICATOR STAMPED 25522307 & TUBE 25523094)
25523399
STUD, Intake & Exhaust Manifold, STUD,W/WASHER,INTAKE MANIFOLD TO HEAD(3/8-16X38MM/M8X1.25X25MM)
- 25523399
STUD, Intake & Exhaust Manifold, STUD, MANIFOLD TO HEAD (3/8"-16 X 33.5MM/M10 X 1.5 X 17)(6)(POSITION #2,4,5,6,7,10)
- 25524313
HOSE, Engine Coolant By-Pass, HOSE, COOLANT BY-PASS (COOLANT PUMP COVER TO INTAKE MANIFOLD)(HAS 2 BY-PASS NIPPLES) (2ND DESIGN)(*07)
25526454
BOLT, Ignition Distributor Housing, BOLT, W/WASHER, DISTRIBUTOR HOLD DOWN (INCLUDE W/#60 ON PART I)
3050223
SWITCH, Engine Air Cooling(Electrical), SWITCH, ENGINE COOLANT TEMPERATURE FAN CONTROL (W/HEAVY DUTY COOLING)
3050223
SWITCH, Engine Air Cooling(Electrical), SWITCH, ENGINE COOLANT TEMPERATURE FAN CONTROL (EXCEPT WK6)
355786
FITTING, Intake Manifold Vacuum, FITTING,INTAKE MANIFOLD VACUUM(3/8-18,4 PORTION)(DRY SEAL)(USE 343350 TO CAP UNUSED OTLTS)(1982-84)
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.