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Engine Assembly & Partial Engine fit your 1990 Chevrolet G20
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1990 Chevrolet G20
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Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
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Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transmission - Automatic
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
$51.06 $27.061
- $51.06 $27.061
$7.38 $4.461
- SHIELD, Spark Plug Ignition Wire
- INDICATOR, Engine Oil Level
- GASKET, Engine Oil Pan
- PLUG, Engine Cylinder Head
- FILTER, Engine Oil Filter
- BOLT, Intake & Exhaust Manifold
- GASKET, Engine Oil Pan Drain Plug
$5.56 $3.5310
- BOLT, Engine Flywheel
- GASKET, Engine Coolant Outlet
- GASKET, Distributor Housing
- FITTING, Engine Oil Filter
$36.46 $19.321
- MODULE, Distributor (also Knock Sensor)
- GROMMET, Engine Crankcase
- GASKET, Engine Cylinder Head
- OUTLET, Engine Coolant
- SPROCKET, Engine Crankshaft/Timing
- THERMOSTAT, Engine Coolant Temperature
$19.72 $10.991 - $19.72 $10.991
$29.91 $16.681
$23.16 $12.911
$21.42 $10.551
- HOSE, Engine Coolant By-Pass
$4.18 $2.331
- VALVE, Engine Crankcase
- LIFTER, Engine Valve Lifter
- VALVE, Intake
- GASKET, Engine Camshaft & Valve Rocker Cover
- STUD, Engine Oil Pan
- FLYWHEEL, Engine Crankshaft
- BOLT, Engine Cylinder Head
- PUMP KIT, Engine Coolant
$10.96 $6.961
$20.72 $8.991
- PIN, Engine Clutch Housing or Transmission
- VALVE, Engine Oil Pressure
- VALVE, Exhaust
- SEAL, Engine Rear Main Bearing
- GASKET, Engine Front Cover
- BOLT, Engine Crankshaft Pulley and Balancer
- GASKET, Engine Coolant Pump
- PUMP, Engine Oil Pump
- BOLT, Engine Oil Pan
- COVER, Engine Valve Rocker & Camshaft
$35.18 $22.361
- GEAR, Engine Flywheel
$4.14 $2.6120
- CONNECTOR, Engine Coolant By-Pass
- STUD, Engine Coolant Pump
- REINFORCEMENT, Engine Camshaft & Valve Rocker Cover
- SUPPORT, Spark Plug Ignition Wire
- BOLT, Engine Oil Pump
- ARM, Engine Valve Rocker
- SEAL, Engine Front Cover & Crankshaft Seal
- GASKET, Fuel Pump Mounting
- BEARING KIT, Engine Crankshaft Main
$58.20 $35.171 
$58.20 $35.171- $58.20 $35.171
- $38.79 $23.451
$67.06 $40.511- $67.06 $40.511
- $67.06 $40.511
- $79.66 $50.621
- $55.80 $25.821
$50.771- $48.65 $24.131
$59.76 $37.981
$58.02 $45.571
$63.051
$75.54 $48.011- $64.93 $23.831
- GASKET KIT, Manifold to Cylinder Head
$30.76 $18.581 
$34.79 $16.131- $34.79 $16.131
$36.93 $22.311
$46.28 $27.961- $46.28 $27.961
$45.13 $27.251
- BOLT, Engine Rear Main Bearing
$2.37 $1.4910
- SENSOR, Coolant Temperature (Engine Unit)
- TUBE, Engine Oil Level
$14.88 $9.46
23504011
WASHER, Engine Crankshaft And Camshaft Balancer, WASHER, FLAT TORSIONAL DAMPER (M16.5X50.5X10)$3.89 $2.48
- PUMP, Fuel Pump
$6.21 $3.46
$6.21 $3.46
- STUD, Intake & Exhaust Manifold
- COVER, Fuel Pump
- GASKET, Fuel Injector Pump
- DAMPENER, Engine Crankshaft And Camshaft Balancer
- BEARING KIT, Engine Connecting Rod
$50.92 $30.771 - $20.29 $19.401
$29.81 $14.781
$91.12 $36.831
$96.65 $61.431
$29.83 $14.791
$25.08 $15.151
$12.601
- SPRING, Engine Oil Pressure
- SPRING, Engine Valve
$7.38 $4.695
- STUD, Engine Rear Main Bearing
- BALANCER, Engine Crankshaft And Camshaft Balancer
- VALVE, Engine Oil Filter
$6.32 $2.445
- DAMPER, Engine Crankshaft And Camshaft Balancer
- ROD, Engine Valve Push Rod
- BOLT, Engine Main Bearing Cap
- SEAL, Engine Valve
- GASKET, Engine Coolant Thermostat Housing
- CRANKSHAFT, Engine
$1026.68 $646.661 
$670.13 $555.371
$5.48 $3.4810
- PLUG, Engine Oil Distribution
$5.56 $3.5310
- PLUG, Engine Block
- BEARING, Engine Camshaft & Balance Shaft Front
- SPROCKET, Engine Camshaft
- NUT, Engine Valve Adjusting
- CAP, Engine Valve Spring
- SHAFT, Engine Oil Pump
- CLIP, Fuel Line
- CLIP, Fuel Injection
$19.09 $12.601
$139.40 $43.321
$13.75 $8.741
$21.10 $11.761
$3.51 $2.232
- RETAINER, Engine Oil Pump
$3.26 $2.071
$605.48 $302.961
- HEAD, Engine Cylinder
- CAMSHAFT, Engine
- STUD, Steering
- SCREEN, Engine Oil Pump
$13.051
- MANIFOLD, Engine Exhaust Manifold
- BOLT, Engine Camshaft & Valve Rocker Cover
$20.19 $12.831
- BRACKET, Wiring Junction
- PISTON, Engine Piston
- CAP, Engine Oil Filler
$22.91 $13.051
$5.38 $3.411
$19.71 $12.521
$4.88 $3.1010
- RING KIT, Engine Piston
$82.70 $41.021
$591.92 $184.071
$29.22 $13.991
- REINFORCEMENT, Engine Oil
$18.18 $11.551 
$18.18 $11.551
$48.85 $29.521
- 10181395
GASKET KIT, Engine Cylinder Head, GASKET KIT, CYLINDER HEAD (INCLUDES ITEMS #12,23,28,50) (1991)$344.76 $102.831
- BALL, Engine Valve Adjusting
- BOLT, Engine Connecting Rod Cap
$44.68 $27.001
$3.46 $2.2010
- CLAMP,A/C)
$7.13 $3.971
$7.83 $4.971
- PIN, Engine Oil Pressure
- PIN, Engine Cylinder Head
$32.80 $18.291
$13.051
- CHAIN, Engine Timing
- ROD, Engine Piston
$5.38 $3.0020
- STUD, Engine Camshaft & Valve Rocker Cover
- PIPE, Fuel Injection
$13.051
- ROTATOR, Engine Valve Spring
$13.051
- HOUSING, Engine Clutch Housing
$3.13 $1.751
$2.75 $1.735
$208.47 $131.901
$13.051
- SUPPORT, Accelerator Linkage
$109.38 $38.601
- CLAMP, Distributor Housing
- TUBE, Engine Fuel Intake Manifold
- INSERT, Fuel Injection
- KEY, Valve Stem
$5.47 $3.4810
$4.22 $3.621
- STUD, Engine Valve Adjusting
$28.95 $18.401
$400.98 $124.621
$7.63 $4.8525
$122.23 $60.611
- SHIELD, Engine Valve
- BRACKET, Emission Control System
- MANIFOLD, Engine Fuel Intake Manifold
- STOVE, Air Cleaner Intake
- PAN, Engine Oil
- STUD, Engine Coolant
10085769
ADAPTER, Throttle Body/Carburetor, ADAPTER, THROTTLE BODY INJECTION HEATER (W/FITTING & PLUG)
- BRACKET, Voltage and Glow Plug
- BRACKET, Accelerator Linkage
- BRACKET, Fuel Injection
- BRACKET, Engine Lift
- SUPPORT, Transmission Throttle Valve Control
- ENGINE, Cylinder and Case
- COVER, Engine Front Cover
- CLIP, Transmission Oil Cooler
- WASHER
- WIRE, Spark Plug or Coil
- FITTING, Engine Oil Pressure/Temperature
- GEAR, Fuel Pump
- SEAL, Engine Oil Pan
- STUD, Fuel Injector Pump
- HOSE, Engine Crankcase Ventilation
- NOZZLE, Fuel Injector Metering
- LOCK, Exhaust Manifold Bolt
$0.00
- BRACKET, Ignition Coil Mounting
- PLUG, Engine Camshaft & Balance Shaft Hole
- DRIVE, Engine Oil Pump
$9.62 $6.121
$78.26 $31.471
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1990 Chevrolet G20 parts. Parts like Engine Assembly & Partial Engine are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel. Model Code: 3/4 TON CARGO, 3/4 TON PASSENGER.