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Engine Assembly fit your 1990 Buick Skylark
My Vehicle Change Vehicle
1990 Buick Skylark
3-Speed Automatic Transmission, THM125C/3T40
My Vehicle Change Vehicle
1990 Buick Skylark
3-Speed Automatic Transmission, THM125C/3T40
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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
Part No. &
Part Description
Part Description
MSRP: $7.79$4.9510
- SENSOR, Computer Control Sensors
MSRP: $7.01$4.031
MSRP: $7.01$4.031
11515755
BOLT, Engine Lift, BOLT, ENGINE LIFT BRACKET REAR HEX FLANGED HEAD (M8X1.25X14) 10.9 PLATE STEELMSRP: --$13.051
- PIN, Engine Clutch Housing or Transmission
- BOLT, Starter Motor
MSRP: $1.81$1.1510
MSRP: $15.41$9.791
MSRP: $114.26$54.391
- THERMOSTAT, Engine Coolant Temperature
MSRP: $35.82$17.651 
MSRP: $19.20$10.701- MSRP: $18.11$11.791
MSRP: $11.34$5.851
- GASKET, Engine Oil Pan Drain Plug
- SEAL, Heater
- BOLT, Engine Connecting Rod Cap
MSRP: $4.30$2.7312
MSRP: $5.68$3.171
- LIFTER, Engine Valve Lifter
- CAP, Engine Oil Filler
MSRP: $23.64$12.531
MSRP: $23.64$12.531
- PLUG, Engine Oil Pan Drain
- VALVE, Engine Crankcase
- FILTER, Engine Oil Filter
MSRP: $22.37$14.225
MSRP: $5.33$2.675
- BOLT, Engine Camshaft Gear
24502164
BOLT, Engine Camshaft & Valve Rocker Cover, BOLT,VALVE ROCKER ARM COVER(W/WASHER)(HEX WASHER HEAD,1/4-20X1.0 W/DOG POINT/.85 OUTSIDE DIAMETER SPECIAL BODY WASHER,6010M,PO 6174M)(USE WITH #25534749 GROMMET-GROUP 0.413)(LG7)MSRP: $5.22$3.311
MSRP: $4.18$2.331
- COVER, Engine Valve Rocker & Camshaft
- GUIDE, Engine Valve Push Rod Cover
MSRP: $7.21$4.571
- PUMP, Engine Oil Pump
- PIN, Engine Cylinder Head
MSRP: $11.24$6.271
- SPRING, Engine Timing
- COVER, Engine Oil Pump
- BOLT, Intake & Exhaust Manifold
- SPARK PLUG,Glow)
MSRP: $4.18$2.338 
MSRP: $4.18$2.331
- PIN, Engine Front Cover
MSRP: $4.60$2.9210
MSRP: $6.30$4.005
- GASKET, Engine Cylinder Head
11508600
BOLT, Engine Rear Main Bearing, BOLT, CRANKSHAFT OIL SEAL HOUSING (M6X1X20)- Replaced By:11517518
MSRP: $7.70$4.891- Replaced By:
- BOLT, Engine Cylinder Head
MSRP: $179.32$38.381
- STUD, Engine Front Cover
- GUIDE, Engine Timing
24504922
BOLT, Engine Mounting, BOLT,ENGINE MOUNT STRUT BRACKET(TO CYL HEAD)(HEX FLANGED HEAD M10X1.5X36,FULL THREAD,10.9 PD)(LG7)(8.900)MSRP: $5.28$2.9410
MSRP: $6.06$5.051
3951644
BOLT, Engine Coolant, BOLT,WATER OUTLET(5/16-18X1.12 280MM PC,.65 OUTSIDE DIAMETER FULL THREAD,PLATE STEEL)(LG7)(8.900)MSRP: $6.02$3.825
MSRP: $8.90$4.951
MSRP: --$12.561
MSRP: $11.13$5.811
- NIPPLE, Intake Manifold Vacuum
- SEAL, Engine Rear Main Bearing
- CAP, Engine Valve Spring
- ROD, Engine Valve Push Rod
- SEAL, Engine Valve
- ROD, Engine Piston
- FLYWHEEL, Engine Crankshaft
- VALVE, Exhaust
- GASKET, Manifold to Cylinder Head
- MANIFOLD, Engine Exhaust Manifold
MSRP: --$12.601
- PAN, Engine Oil
- SEAL, Engine Oil Level
- OUTLET, Engine Coolant
- SEAL, Engine Front Cover & Crankshaft Seal
- PISTON, Engine Piston
- TENSIONER, Engine Timing
- GROMMET, Engine Crankcase
- TUBE, Engine Crankcase Ventilation
MSRP: $7.39$6.951
- SPRING, Engine Valve
- 10124700
SPROCKET KIT, Engine Timing, SPROCKET KIT,CRANKSHAFT(W/CHAIN)(INCLUDE'S,CROSS/SHIFT SPROCKET,CM/SHIFT SPROCKET,TIMING CHAIN)(L68)MSRP: $100.88$50.021
- BEARING KIT, Engine Crankshaft MainMSRP: $23.76$13.051
MSRP: $29.45$14.601
- BEARING KIT, Engine Connecting Rod
MSRP: $32.80$16.261 
MSRP: $23.44$14.901
- SENSOR, Distributor (also Knock Sensor)
- MOTOR, Starter Motor
MSRP: $6.20$3.941
- BOLT, Engine Oil Pump
- WIRE KIT, Spark or Glow Plug Ignition
12334625
GASKET KIT, Engine Camshaft, GASKET KIT,INTAKE CAM CARRIER(CONTAINS INNER/OUTER CAM CARRIER COVER SEALS,CAM SEAL & GASKET BETWEEN CAM CARRIER & CYL HEAD)(INCLUDE 74)(LD2)MSRP: $36.24$17.981
- GASKET KIT, Engine Front Cover
MSRP: $128.34$63.641 - MSRP: $128.34$63.641
- SHOE KIT, Engine Timing
- GASKET, Engine Oil Pan
MSRP: $11.49$10.921
- PUMP, Engine Coolant
MSRP: $69.87$44.421
MSRP: $9.35$5.941
- STUD, Multi Port Fuel Injection Throttle Body
- VALVE, Engine Oil Filter
- SWITCH, Engine Oil Pressure/Temperature
- KEY, Engine Valve Spring Cap
- MSRP: $4.47$2.241
MSRP: $8.24$4.901
MSRP: --$3.131
22532248
GASKET, Engine Coolant Thermostat Housing, GASKET,ENGINE COOLANT THERMOSTAT HOUSING(TO CYL HEAD)MSRP: --$13.051
- SEAL, Engine
- SHIELD, Exhaust Manifold
- HOSE, Engine Crankcase
- PIPE, Throttle Body Coolant Supply
MSRP: $28.03$23.211
MSRP: $31.04$29.281
MSRP: --$32.221
- GASKET, Multi Port Fuel Injection Throttle Body
MSRP: $65.28$36.301
- VALVE, Engine Oil Pressure
MSRP: --$17.751
MSRP: $14.88$6.241
- PIPE, Heater
- BOLT, Engine Front Cover
- CHAIN, Engine Timing
MSRP: $927.68$859.141
MSRP: --$13.051
MSRP: --$69.951
MSRP: --$23.381
MSRP: $13.23$13.051
MSRP: $19.79$13.051
MSRP: --$13.051
MSRP: $16.21$13.051
MSRP: $23.03$13.911
- MSRP: --$10.101
- RETAINER
- KEY
- BRACKET, Engine Lift
- RING KIT, Engine Piston
- PULLEY, Fan and Coolant Pump
- WASHER, Engine Crankshaft Pulley And Balancer
- TUBE, Engine Oil Level
- VALVE, Intake
- CRANKSHAFT, Engine
- 24575166
CRANKSHAFT, (P/N 22532120 IS CAST INTO CRANKSHAFT.CHAIN HOUSING COVER GASKET IS 0.70 MM THICK. (1988 1ST DESIGN))(LD2) 
- STUD
- BOLT, Engine Valve Adjusting
- MANIFOLD, Engine Fuel Intake Manifold
10101410
PLUG, Engine Oil Pan Drain Plug, PLUG,CYL BLOCK OIL GALLERY FRONT(TYPE,14.98 OUTSIDE DIAMETER,1.05 THICK,1.0 HOLE IN CENTER)(L68)
- CAMSHAFT, Engine
- COVER, Engine Front Cover
10101771
BOLT, Engine Crankshaft Pulley And Balancer, BOLT,CRANKSHAFT BALANCER(HEX FLANGED HEAD,8X1.25X77.5,42 THREAD,18.25 O.D.)(L68)(0.413)
- INDICATOR, Engine Oil Level
- BRACKET
- GASKET, Engine Coolant Pump
- BALANCER, Engine Crankshaft And Camshaft Balancer
- BOLT, Engine Flywheel
- HEATER, Engine Coolant Heater
- HOUSING KIT
12508076
HOUSING KIT, ENGINE BALANCE(COVER & BAFFLE ARE ASSEMBLED W/SELF-TAPPING BOLTS)(IDENTIFY BY 39 TEETH & 30 DEGREE HELIX ANGLE ON BALANCE GEARS.MUST MESH W/CRANK GEAR.)(INCLUDE 70,73,74,76)(1990)- 12508076
HOUSING KIT, ENGINE BALANCE(COVER & BAFFLE ARE ASM W/SELF-TAPPING BOLTS)(IDENTIFY BY 39 TEETH & 30 DEGREE HELIX ANGLE ON BALANCE GEARS.MUST MESH W/CRANK GEAR.)(1991)(L68)
- BOLT
- HARNESS, Cruise Control Vacuum
- PLUG
- CAMSHAFT KIT, Engine
- PUMP KIT, Engine Oil Pump
- GASKET KIT, Engine Coolant Pump
- SPROCKET, Engine Crankshaft/Timing
- SPROCKET, Engine Camshaft
- PLUG, Engine Cylinder Head
- BOLT, Engine Main Bearing Cap
- HOUSING, Engine Front Cover
- TUBE, Engine Crankcase
- CAP, Engine Oil Level
- TENSIONER, Engine Cooling
- PIPE, Exhaust Pipe
- STUD, Intake & Exhaust Manifold
24572615
BOLT, Engine Camshaft & Balance Shaft Hole, BOLT,CAMSHAFT HOUSING COVER(TO CYL HEAD(HEX FLANGED HEAD 8X1.25X112,9.8,PLATE STEEL,21.5 OUTSIDE DIAMETER,20MM THREAD))(LD2)
- BOLT, Engine Coolant Pump
25521361
PLUG, Engine Camshaft & Balance Shaft Hole, PLUG, CAMSHAFT REAR BEARING LOCATING (EXPANSION CUP)
- SPRING, Engine Oil Pressure
25530610
BOLT, Intake Manifold Vacuum, BOLT,VACUUM SOURCE HARNESS MANIFOLD(TO THROTTLE BDY & EGR ADAPT)(M6X1X32)(LG7)
- STUD, Engine Cooling
25532958
STUD, Engine Coolant, STUD,WATER OUTLET(W/WASHER,5/16-18X2.6,M8X1.25X.52,9.8,PLATE STEEL,1050 STEEL,.64 OUTSIDE DIAMETER)(LG7)
25534836
STUD, Engine Lift, STUD,ENGINE LIFT REAR BRACKET(HEX FLANGED HEAD,M10X1.5X20,M8X1.25X15,10.9 PLATE STEEL,FULL THREAD,21.3 OUTSIDE DIAMETER)(LG7)
MSRP: $7.20$4.351
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1990 Buick Skylark 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 2.3L, 4 Cyl 2.5L, 6 Cyl 3.3L. Model Code: 4 DOOR, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LUXURY EDITION 4 DOOR.