Engine Assembly fit your 1991 Pontiac Bonneville

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1991 Pontiac Bonneville
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Vehicle Options
6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60
Vehicle Options
6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60
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Currently selected

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
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Categories Close X

Currently selected

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
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • SENSOR, Computer Control Sensors
    15326386
    SENSOR, COOLANT TEMPERATURE (2 TERMINAL)
    $51.06 $27.06
    1
    Add To Cart
  • Pontiac 19211437
    19211437
    SENSOR, EXHAUST OXYGEN (1 WIRE)
    $33.26 $18.54
  • 11514596
    NUT, Engine Lift, NUT, THROTTLE BODY & EGR VALVE INLET (M8X1.25X7.5) 10 PHOSPHATE ELECTRO ORGANIC
    $12.60
    1
    Add To Cart
  • BOLT, Starter Motor
    11610633
    BOLT, START MOTOR (INBOARD HOLE)(M10X114)
    $9.60 $5.09
    1
    Add To Cart
  • Pontiac 14001842
    14001842
    BOLT, START MOTOR (OUTBOARD HOLE) (M10X46)
  • PLUG, Engine Cylinder Head
    8654382
    PLUG, ENGINE COOLING DRAIN HOLE (1/8) PLAIN
    $7.20 $4.72
    1
    Add To Cart
  • Pontiac 444776
    444776
    PLUG, ENGINE BLOCK OIL GALLERY
    $7.19 $4.57
    1
    Add To Cart
  • Pontiac 12338136
    12338136
    PLUG, CYL & CASE OIL GALLERY HOLE
  • Pontiac 25513252
  • BOLT, Engine Connecting Rod Cap
    25531956
    BOLT, CONNECT ROD(3/8-24X1.68)(LN3)
    $3.71 $2.36
    1
    Add To Cart
  • 25531956
    BOLT, HEX WASHER HEAD (3/8X24X1.68) ZINC ORGANIC
    $3.71 $2.36
    1
    Add To Cart
  • BOLT, Distributor (also Knock Sensor)
    Pontiac 12537114
    12537114
    BOLT, CRANKSHAFT POSITION SENSOR BRACKET(1)(1991)H(LN3)
    $12.60
    1
    Add To Cart
  • Pontiac 25526395
    25526395
    BOLT, FUEL & IGNITION CAM SENSOR TO FRONT COVER
  • PIN, Engine Cylinder Head
    12554553
    PIN, CYL HEAD LOCATING(1/4X9/16)(0.738)
    $9.62 $6.12
    1
    Add To Cart
  • Pontiac 25536323
    25536323
    PIN, CYL HEAD LOCATING(1/4X1 3/8)(8.939)
    $8.70 $5.53
    1
    Add To Cart
  • SEAL, Engine Rear Main Bearing
    12582320
    SEAL, CRANKSHAFT REAR OIL
    $34.31 $20.73
    1
    Add To Cart
  • Pontiac 24500058
    24500058
    SEAL, REAR BEARING CAP OIL
    $13.05
    1
    Add To Cart
  • GEAR, Engine Crankshaft And Camshaft Balancer
    24503524
    GEAR, BALANCE SHAFT
    $63.74 $40.52
    1
    Add To Cart
  • Pontiac 24503639
    24503639
    GEAR, BALANCER SHAFT DRIVE
  • BOLT, Engine Coolant Pump
    11516477
    BOLT, W/PUMP PULLEY
    $15.35 $13.05
    1
    Add To Cart
  • 24504713
    BOLT, ENGINE FRONT COVER (TO CYL BLOCK)
    $9.36 $5.95
    10
    Add To Cart
  • 25535660
    BOLT, HEXAGON (1/4X20X1.17) 300M PHOSPHATE ORGANIC
    $12.11 $7.69
    1
    Add To Cart
  • SEAL, Heater
    24500321
    SEAL, HEATER INLET PIPE (O RING)(*02)
    $3.08 $2.03
    10
    Add To Cart
  • Pontiac 24503160
    24503160
    SEAL, HEATER OUTLET PIPE (O RING)(TEFLON COATED)(LN3)
  • BOLT, Engine Cooling
    24504922
    BOLT, DRIVE BELT TENSIONER BRACKET(TO CYL HEAD)(HEX FLANGED HEAD M10X1.5X36,FULL THREAD,10.9 PD)(LN3)(8.900)
    $5.42 $3.02
    10
    Add To Cart
  • Pontiac 25534671
    25534671
    BOLT, HEX FLANGED HEAD (M10X1.5X20) 10.9 PHOSPHATE HEAVY ZINC
  • BOLT, Engine Cylinder Head
    Pontiac 25525953
    25525953
    BOLT, CYL HEAD UPPER CENTER(7/16X14X4.46 300M)
    $13.05
    1
    Add To Cart
  • Pontiac 25527831
    25527831
    BOLT, CYL HEAD(UPPER OUTER CORNERS)(7/16X-14X3.24")
    $13.05
    1
    Add To Cart
  • 88891770
    BOLT, CYL HEAD LOWER ROW
    $10.28 $6.53
    1
    Add To Cart
  • Pontiac 11508039
    11508039
    BOLT, BOLT, HEXAGON (M10X1.5X65) 10.9 PHOSPHATE ORGANIC
    $13.05
    1
    Add To Cart
  • PISTON, Engine Piston
    Pontiac 12537198
    12537198
    PISTON, (W/PINION)(STD)(6)(1991)H(LN3)
    • Require Quantity: 06
    • Package Quantity: 1
    $124.87 $61.93
    1
    Add To Cart
  • Pontiac 12537199
    12537199
    PISTON, (W/PINION)(.020" OVERSIZE)(6)(1991)H(LN3)
    • Require Quantity: 06
    • Package Quantity: 1
  • BEARING, Engine Camshaft & Balance Shaft Front
    24501060
    BEARING, CAMSHAFT(POSITIVE 1 & 4)
    $39.24 $35.04
    1
    Add To Cart
  • Pontiac 24501061
    24501061
    BEARING, CAMSHAFT(POSITIVE 2 & 3)
    $55.87 $27.70
    1
    Add To Cart
  • PIN, Engine Lift
    Pontiac 24501162
    24501162
    PIN, CYL HEAD LOCATING DOWEL (1/4X1)
    $10.89 $6.92
    1
    Add To Cart
  • Pontiac 24501162
    24501162
    PIN, CYL HEAD LOCATING DOWEL (1/4X1/2) STEEL
    $10.89 $6.92
    1
    Add To Cart
  • BOLT, Engine Front Cover
    Pontiac 24504716
    24504716
    BOLT, FRONT COVER (5/16X18X2.75)
    $7.70 $4.89
    1
    Add To Cart
  • Pontiac 24504712
    24504712
    BOLT, HEXAGON W/FLAT WASHER (5/16X18X3.07) 300M PHOSPHATE ORGANIC
  • STUD, Engine Front Cover
    24504717
    STUD, HEXAGON (5/16X18X1.53) 300M PHOSPHATE
  • 24504717
    STUD, HEXAGON W/FLAT WASHER (5/16X18X1.53) 300M PHOSPHATE
  • Pontiac 25532537
    25532537
    STUD, HEXAGON W/FLAT WASHER (5/16X18X38.9/8X1.25X18) 10.9 PLATE STEEL
  • SEAL, Throttle Body Coolant Supply
    Pontiac 25533988
    25533988
    SEAL, THROTTLE BODY HEAT INLET PIPE TO INTAKE
  • Pontiac 25533989
    25533989
    SEAL, THROTTLE BODY HEAT OUTLET & INTAKE PIPE
  • 11514596
    NUT, HEX FLANGED HEAD (M8X1.25X7.5) 10 PHOSPHATE ELECTRO ORGANIC
    $12.60
    1
    Add To Cart
  • 11609970
    CLAMP, WORM GEAR (.30 TO .87) SST
    $4.55 $2.89
    15
    Add To Cart
  • 11515754
    BOLT, HEX FLANGED HEAD (M8X1.25X12) 9.8 PHOSPHATE ELECTRO ORGANIC
    $7.99 $5.07
    1
    Add To Cart
  • 9440227
    BOLT, HEX FLANGED HEAD (5/16X18X1.25) 280M PHOSPHATE ORGANIC
    $13.05
    1
    Add To Cart
  • 96626203
    BOLT, HEX FLANGED HEAD (M10X1.5X50) 9.8 PHOSPHATE ORGANIC
    $24.06 $14.53
    1
    Add To Cart
  • 11504595
    BOLT, HEXAGON (M10X1.5X20) 10.9 PHOSPHATE ORGANIC
    $3.46 $2.20
    10
    Add To Cart
  • Pontiac 11507095
    11507095
    NUT, HEXAGON (M6X1X5.5) 9 PHOSPHATE ELECTRO ORGANIC
    $0.42 $0.34
    1
    Add To Cart
  • Pontiac 3835577
    3835577
    PLUG, CYL BLOCK OIL GALLERY
    $2.88 $1.83
    1
    Add To Cart
  • Pontiac 25524524
    25524524
    BOLT, HEX FLANGED HEAD (5/16X18X.75) 280M PHOSPHATE ORGANIC
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1991 Pontiac Bonneville 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: 6 Cyl 3.8L. Model Code: LE 4 DOOR, SE 4 DOOR, SSE 4 DOOR.