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Engine Assembly fit your 1991 Pontiac Grand Prix
Currently shopping for
1991 Pontiac Grand Prix
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Engine
- Clutch & Release Fork
- Clutch Linkage
- Cover/Transmission Converter
- Engine & Transmission Mounting
- Engine Assembly
- Engine Assembly-Cylinder Block & Related Parts
- Engine Assembly-Cylinder Head & Related Parts
- Engine Assembly-Front Cover & Cooling
- Engine Assembly-Manifolds & Fuel Related Parts
- Engine Assembly-Oil Pump, Pan & Related Parts
Other Categories
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, Fascias
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
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
$8.00 $5.0810
- SENSOR, Coolant Temperature (Engine Unit)
- SENSOR, Computer Control Sensors
- PIN, Engine Cylinder Head
- PIN, Engine Clutch Housing or Transmission
- BOLT, Starter Motor
$1.86 $1.1810
8654382
PLUG, Transmission Case, PLUG,ENGINE BLOCK OIL GALLERY(ENGINE BLOCK OIL GALLERY)- Require Quantity: 02
- Package Quantity: 1
$7.20 $4.721
- FILTER, Engine Oil Filter
14090908
GASKET, Engine Oil Pan Drain Plug, GASKET,OIL PAN DRAIN PLUG(ALSO PART OF 48)(24.5MM OUTSIDE DIAMETER)$5.16 $3.281
- THERMOSTAT, Engine Coolant Temperature
24507563
THERMOSTAT, ENGINE COOLANT(195 DEGREE, W/SEAL)(INCLUDE 109)- Fitting Vehicle Options: W(LH0)
- Replaced By: 19435095
$37.96 $12.071 
- FLYWHEEL, Engine Crankshaft
- SEAL, Engine Front Cover & Crankshaft Seal
$23.64 $12.531
25043843
VALVE, Engine Crankcase, VALVE,PCV(PCV VALVE IS FOR USE IN NON-RIVETED ROCKER ARM COVERS ONLY)
- PLUG, Engine Oil Pan Drain
- BOLT, Engine Flywheel
- GROMMET, Engine Crankcase
14089209
KEY, Engine Crankshaft Pulley And Balancer, KEY,CRANKSHAFT BALANCER(LG-36.7MM,WIDTH-4.77MM)(8.960)$7.39 $4.691
1470030
CLAMP, Engine Oil Filler Tube, CLAMP,PCV TUBE(WORM TYPE, 11/16IN TO 1 5/16IN)(WORM TYPE)(11/16" TO 1 5/16")(8.948)- Replaced By: 11610236
$7.38 $4.691
$71.01 $45.12
$11.45 $7.281
- SENSOR, Distributor (also Knock Sensor)
- BOLT, Engine Coolant Pump
- BOLT, Emission Control System
$1.45 $0.761
10226107
SEAL, Engine Coolant Thermostat Housing, SEAL,ENGINE COOLANT THERMOSTAT(O RING)(W/LIP, 46.80MM OUTSIDE DIAMETER)(ALSO PART OF 23)$14.16 $7.501
$6.02 $3.365
- PIN, Engine Front Cover
- RETAINER, Engine Flywheel
- HOSE, Throttle Body Coolant Supply
- STUD, Engine Valve Adjusting
10054525
ARM KIT, Engine Valve Rocker, ARM KIT,VALVE ROCKER(W/BALL)- Require Quantity: 12
- Package Quantity: 1
$14.84 $13.051
- BOLT, Intake & Exhaust Manifold
- BOLT, Engine Oil Pump
- PIN, Engine Camshaft & Valve Rocker Cover
17091147
VALVE, Emission Control System, VALVE,EGR(W/O GASKET)(W/ELECTRICAL CONNECTION)(GASKET 24503788 REQUIRED)
- STUD, Engine Front Cover
- GASKET, Emission System
- BOLT, Engine Rear Main Bearing
11570965
BOLT, Engine Crankshaft Pulley And Balancer, BOLT,CRANKSHAFT BALANCER(M12X1.5X45)(HEX FLANGED HEAD W/CONICAL SPRING WASHER,30 THREAD,44.5 OUTSIDE DIAMETER,GM6047M,W/SEALANT)$23.35 $16.981
11609752
BOLT, Engine Front Cover, BOLT,ENGINE FRONT COVER(#3,4,7,8 HOLES)(M10X1.5X39, 6H THREAD)(16 OUTSIDE DIAMETER, 16 THROUGH HOLE)(6.525)- Require Quantity: 04
- Package Quantity: 1
$11.11 $7.061
$19.49 $12.381
- PLUG, Plug Threaded
$66.30 $35.141
- SEAL, Throttle Body Coolant Supply
- NUT, Engine Valve Adjusting
- LIFTER, Engine Valve Lifter
- GUIDE, Engine Timing
$8.90 $4.951
- BOLT, Rear Axle Shaft Bearing
- STUD, Engine Oil Pan
10151648
BOLT, Engine Camshaft & Valve Rocker Cover, BOLT,VALVE ROCKER ARM COVER(USE W/GROMMET 12338036)(INSTALL USING 1052080 SEALANT)- Require Quantity: 08
- Package Quantity: 8
- STUD, Intake & Exhaust Manifold
$8.77 $3.211
- VALVE, Exhaust
$13.661
- GASKET, Manifold to Cylinder Head
$29.201
- BOLT, Engine Cylinder Head
- TUBE, Engine Oil Level
- BRACKET, Engine Mounting
$7.34 $3.895
- PIPE, Throttle Body Coolant Supply
- SCREEN, Engine Oil Pump
- PUMP, Engine Oil Pump
$7.26 $4.541
- BOLT, Engine Main Bearing Cap
- CRANKSHAFT, Engine
$723.33 $455.591
- GASKET, Engine Oil Pan
- RING KIT, Engine Piston
$13.141
$13.051
- ROD, Engine Piston
- GASKET, Multi PORTION Fuel Injection Throttle Body
$36.64 $18.171
- STARTER, Starter Motor
- WIRE, Spark Plug or Coil
- GASKET KIT, Engine Camshaft
$36.24 $17.981 - 12334626
GASKET KIT, CAM CARRIER EXHAUST(CONTAINS INNER/OUTER CAM CARRIER COVER SEALS,CAM CARRIER END GASKET & GASKET BETWEEN CAM CARRIER & CYL HEAD)(LD2)$30.84 $15.291
- SEAL, Engine Valve
- GASKET KIT, Engine Front Cover
$128.34 $63.641
$13.051
- TENSIONER, Engine Cooling
- BEARING KIT, Engine Connecting Rod
12480255
BEARING KIT, CONNECT ROD(STD)- Fitting Vehicle Options: W(LH0)
- Require Quantity: 06
- Package Quantity: 1
$41.93 $26.651 
- 18008493
BEARING KIT, CONNECT ROD(.026MM UNDERSIZE)- Fitting Vehicle Options: W(LH0)
- Require Quantity: 06
- Package Quantity: 1
- 88984044
BEARING KIT, CONNECT ROD(.25MM OVERSIZE)- Fitting Vehicle Options: W(LH0)
- Require Quantity: 06
- Package Quantity: 1
- BEARING KIT, Engine Crankshaft Main
12480252
BEARING KIT, CRANKSHAFT(#1,#4 STD)(REPLACE BRGS STAMPED "STD",".016 MM US"& ".032MM US"FOR 96 & PRIOR)- Fitting Vehicle Options: W(LH0)
- Require Quantity: 02
- Package Quantity: 1
$52.33 $33.261 
88984040
BEARING KIT, CRANKSHAFT(#1,#4)(.25MM UNDERSIZE)- Fitting Vehicle Options: W(LH0)
- Require Quantity: 02
- Package Quantity: 1
- 12507233
GASKET KIT, Engine Cylinder Head, GASKET KIT,CYL HEAD(ARM COVER GASKETS)(INCLUDE CYL HEAD,THERMOSTAT HOUSING,INTAKE MANUAL,EXHAUST MANUAL,EGR VALVE & ADPT, ROCKER)$223.84 $114.501
- GASKET KIT, Manifold to Cylinder Head$104.97 $65.781
- BEARING, Engine Camshaft & Balance Shaft Front
- HEAD, Engine Cylinder
- SPROCKET, Engine Crankshaft/Timing
$29.24 $20.091
- SPRING, Engine Valve
- GASKET, Engine Camshaft & Valve Rocker Cover
- $32.29 $16.001
- ROD, Engine Valve Push Rod
$9.35 $5.941
1640161
STUD, Ignition Coil Mounting, STUD,IGNITION COIL(HEXAGON M8X1.25X16 BOTH ENDS 9.8,PHOSPHATE ORGANIC,FULL THREAD)(0.206)$6.91 $4.381
$10.031
19244501
SENSOR, Engine Oil Pressure/Temperature, SENSOR,FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAGE(1/4-18THD,3-1/4"HIGH)(3 TERMINALS:A,C,D)$58.65 $33.701
- SPARK PLUG,Glow)
$4.18 $2.331 
19354418
SPARK PLUG, GASOLINE ENGINE IGNITION- Fitting Vehicle Options: W(LH0)
- Require Quantity: 06
- Package Quantity: 1
$4.18 $2.331
- SEALANT, Maintenance Products
19418991
COIL, Ignition Coil, COIL,IGNITION(COMPONENT PARTS SERVICED)(SEE GROUP 2.000 "COIL"FOR DETAIL ILLUSTRATED VIEW.)- Require Quantity: 03
- Package Quantity: 1
$117.34 $55.851
1989866
SEAL, Distributor (also Knock Sensor), SEAL,CRANKSHAFT POSITION SENSOR(O RING)(ALSO PART OF 4)(2.170)$17.46 $9.251
$2.701
$13.051
$13.59 $13.051
- HOSE, Engine Crankcase
$28.03 $20.011
$12.601
- PAN, Engine Oil
$31.04 $25.251
$65.28 $36.301
$41.26 $33.641
24503681
NIPPLE, Heater Coolant Flow, NIPPLE,HEATER WATER ENGINE INLET(USE TOGETHER WITH 1052080 SEALER)(1/2 THREAD,59.5 TL)(OLD PART APPEAR LARGER DUE TO HEAT EXPANSION)(W/ O-RING & RETAINER)$13.02 $9.061
- BOLT, Engine Camshaft Gear
$13.051
$142.68 $46.751
360571
PLUG, Engine Block, PLUG,ENGINE BLOCK CORE HOLE(CUP DIAMETER 34.3MM)- Require Quantity: 06
- Package Quantity: 1
- Replaced By: 11569584
$7.03 $4.461
$7.18 $4.351
$6.751
$161.35 $81.321
- $8.711
- STUD, Generator Mounting
- COVER, Engine Valve Rocker & Camshaft
10056733
CLIP, Early Fuel Evaporation, CLIP,FUEL FEED & EVAP EMISSION & RETURN PIPE(PLASTIC)- Require Quantity: 02
- Package Quantity: 1
- CLIP, Fuel Line
- SHIELD, Exhaust Manifold
10065444
WASHER, Intake & Exhaust Manifold, WASHER,LOWER INTAKE MANIFOLD- Require Quantity: 04
- Package Quantity: 1
- PISTON, Engine Piston
- GUIDE, Engine Valve Push Rod Cover
- MANIFOLD, Engine Fuel Intake Manifold
- PIPE, Fuel Line
- OUTLET, Engine Coolant
10154707
CONNECTOR, Emission System, CONNECTOR,EGR VALVE PIPE(M16X1.5X.59 TO 3/4-16X.63,1.425 TL,STEEL,ALUMINUM BASECOAT)
- CAMSHAFT, Engine
- HARNESS, Engine Wiring
12337894
GASKET, Engine Oil Filter, GASKET,OIL FILTER ADAPTER(GASKET MAY LOOK DIFFERENT THAN ORIGINAL)
12338036
GROMMET, Engine Camshaft & Valve Rocker Cover, GROMMET,VALVE ROCKER ARM COVER BOLT- Require Quantity: 08
- Package Quantity: 1
- GASKET KIT, Engine Coolant Pump
12520772
ENGINE, Cylinder and Case, ENGINE,(SERVICE PARTIAL)(REFER TO NOTE 1 IN CATALOG TEXT)(PARTIAL ENGINE CONSIST OF:PISTON & ROD ASM,CRANKSHAFT & BEARINGS,ROD BEARING & REAR SEAL,CAMSHAFT BEARINGS.)(WITHOUT CAM SENSOR HOLE)
14072099
STUD, Exhaust Pipe, STUD,EXHAUST CROSSOVER PIPE(M8X1.25X18, M8X1.25X36)- Require Quantity: 04
- Package Quantity: 1
- SPROCKET, Engine Camshaft
- PLUG, Engine Cylinder Head
14081701
PLUG, Engine Oil Filter, PLUG,W/SEALER,1/4-18 NPTF,SQUARE SOCKET,PLAIN(OIL FILTER BYPASS HOLE)
14089825
REINFORCEMENT, Engine Oil, REINFORCEMENT,OIL PAN(FRONT)(USED AT #1,2 HOLES)- Require Quantity: 02
- Package Quantity: 1
- VALVE, Intake
- MANIFOLD, Engine Exhaust Manifold
- CHAIN, Engine Timing
19178830
MODULE, Distributor (also Knock Sensor), MODULE, IDI IGNITION (COMPONENT PARTS SERVICED)(*01)
- KEY, Engine Valve Spring Cap
- NUT, Engine Connecting Rod Bolt
- BOLT, Engine Connecting Rod Cap
- BALANCER, Engine Crankshaft And Camshaft Balancer
24572615
BOLT, Engine Camshaft & Balance Shaft Hole, BOLT, HEX FLANGED HEAD (8X1.25X112) 9.8 PHOSPHATE
- HOUSING, Engine Valve Rocker & Camshaft
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1991 Pontiac Grand Prix 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, 6 Cyl 3.1L, 6 Cyl 3.4L. Model Code: 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR.