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Emission Controls fit your 1991 Buick Lesabre

Currently shopping for
1991 Buick Lesabre
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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
Categories Close X

Currently selected

Fuel System, Exhaust, Emission System

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
Engine
Frames, Springs, Shocks, Bumpers
Front End Sheet Metal, Heater
Front Suspension, Steering
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

Fuel System, Exhaust, Emission System

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
Engine
Frames, Springs, Shocks, Bumpers
Front End Sheet Metal, Heater
Front Suspension, Steering
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 & Qty.
Part No. &
Part Description
  • Buick 25526950
    25526950
    ELBOW, ELBOW, VENT PIPE (RUBBER GROMMET)(1988 1ST DESIGN)(*02)
  • BOLT, Distributor (also Knock Sensor)
    Buick 12537114
    12537114
    BOLT, CRANKSHAFT POSITION SENSOR BRACKET
    $12.60
    1
    Add To Cart
  • Buick 25526395
    25526395
    BOLT, FUEL & IGNITION CAM SENSOR TO FRONT COVER
  • SWITCH, A/C Electric Temperature and Motor Control
    Buick 25530593
    Buick 25530593
    Buick 25530593
    25530593
    SWITCH, A/C COMPRESSOR REFRIGERANT PRESSURE
    $35.99 $15.17
    1
    Add To Cart
  • Buick 3041596
    Buick 3041596
    Buick 3041596
    3041596
    SWITCH, PRESSURE CYCLING CUTOFF
  • Buick 11508039
    11508039
    BOLT, BOLT, HEXAGON (M10X1.5X65) 10.9 PHOSPHATE ORGANIC
    $13.05
    1
    Add To Cart
  • Buick 14001192
    14001192
    GROMMET, GROMMET, CRANKCASE VENT PIPE (1988 2ND DESIGN)(1989-91)(*02,03)
  • GASKET, Multi Port Fuel Injection Throttle Body
    Buick 24500382
    Buick 24500382
    24500382
    GASKET, THROTTLE BODY COOLANT OUTLET PIPE
  • Buick 25529581
    25529581
    GASKET, THROTTLE BODY & EGR VALVE ADAPTER (THREE BOLT HOLE)
  • 25532324
    GASKET, THROTTLE BODY (TWO BOLT HOLE)
  • PIPE, Throttle Body Coolant Supply
    Buick 24501035
    24501035
    PIPE, THROTTLE BODY HEAT OUTLET(CMPTS SERVICE)
  • Buick 25533986
    25533986
    PIPE, THROTTLE BODY COOLANT INLET (CMPTS SERVICE)
  • SEAL, Throttle Body Coolant Supply
    Buick 25533988
    25533988
    SEAL, O RING THROTTLE BODY INLET PIPE TO INTAKE
  • Buick 25533989
    25533989
    SEAL, THROTTLE BODY OUTLET & INTAKE PIPE
  • Buick 25551820
    Buick 25551820
    25551820
    SWITCH, Cruise Control, SWITCH,ELECTRONIC BRAKE CONTROL BRAKE PEDAL & CRUISE CONTROL VACUUM RELEASE VALVE & TORQUE CONVERTER CLUTCH((1991)(4.710))
Standard Parts
  • Buick 11514596
    Buick 11514596
    11514596
    NUT, HEX FLANGED HEAD (M8X1.25) 10 PHOSPHATE ELECTRO ORGANIC
    $12.60
    1
    Add To Cart
  • Buick 11609489
    Buick 11609489
    11609489
    BOLT, HEX WASHER HEAD (M4.2X1.41X25) PHOSPHATE ZINC ORGANIC
    • Replaced By: 11547421
    $9.75 $6.79
    1
    Add To Cart
  • Buick 25518880
    Buick 25518880
    Buick 25518880
    25518880
    CLAMP, WORM GEAR (.250 TO .625) SST BLA
    $3.91 $2.45
    5
    Add To Cart
  • Buick 12337828
    Buick 12337828
    12337828
    SCREW, HEXAGON W/FLAT WASHER (M6.3X1.81X20) 6010M PHOSPHATE ZINC ORGANIC
    • Replaced By: 22527475
    $10.91 $6.59
    1
    Add To Cart
  • Buick 11514527
    11514527
    NUT, HEXAGON FLANGE (M5X.8) 9 ZINC
    $9.18 $5.83
    1
    Add To Cart
  • Buick 22527587
    22527587
    CLAMP, WORM GEAR (1/2 TO 13/16) SST BLA
    • Replaced By: 11517127
    $6.83 $4.57
    1
    Add To Cart
  • Buick 10067660
    10067660
    BOLT, HEX FLANGED HEAD (M8X1.25X45) 9.8 SST (1988-90)
    $6.69 $4.25
    1
    Add To Cart
  • Buick 11507095
    11507095
    NUT, HEXAGON (M6X1) 9 PHOSPHATE ELECTRO ORGANIC
    $0.42 $0.34
    1
    Add To Cart
  • Buick 11515203
    11515203
    SCREW, HEX FLANGED HEAD (M6X1X16) PHOSPHATE ELECTRO ORGANIC
    $5.86 $3.72
    1
    Add To Cart
  • Buick 11508040
    11508040
    BOLT, HEXAGON W/CONICAL WASHER (M8X1.25X25) 9.8 PHOSPHATE ELECTRO ORGANIC
    $3.36 $2.13
  • Buick 12548430
    Buick 12548430
    12548430
    TUBING, BRAKE,1/4" X 16 FT ROLL,STEEL(FUEL VAPOR (1/4) STEEL (8.964))(AS REQUIRED)
    $67.04 $35.53
  • Buick 11509192
    11509192
    BOLT, HEXAGON W/CONICAL WASHER (M5X.8X16) 9.8 PHOSPHATE
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Lesabre parts. Parts like Emission Controls 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: 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR.