Exhaust System fit your 2003 Buick Lesabre

My Vehicle Change Vehicle
2003 Buick Lesabre

6 Cyl 3.8L MFI, HO (ERV6 Series); 4-Speed Automatic Transmission, 4T65-E

My Vehicle Change Vehicle
2003 Buick Lesabre

6 Cyl 3.8L MFI, HO (ERV6 Series); 4-Speed Automatic Transmission, 4T65-E

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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
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

You have 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
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
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
  • 24502332
    STUD, Intake & Exhaust Manifold, STUD,EXHAUST MANIFOLD(TO CYL HEAD-UPPER & LOWER FRONT-CENTER-REAR)(5/16-18X#8 MACHINE THREAD X 50MM LG)
    • Require Quantity:
      07
    • Package Quantity:
      5
    MSRP: $1.62
    $1.03
    5
    Add To Cart
  • SENSOR, Computer Control Sensors
    19178924
    SENSOR, HEATED OXYGEN(POSITION 3)(POST CONVERTER)
    MSRP: $135.22
    $65.12
    1
    Add To Cart
  • 19178958
    SENSOR, HEATED OXYGEN(POSITION 1)(IN EXHAUST MANIFOLD/CROSSOVER)
    MSRP: $122.36
    $64.85
    1
    Add To Cart
  • 24501847
    BOLT, Exhaust Pipe, BOLT,EXHAUST CROSSOVER PIPE FLANGE(TO LEFT EXHAUST MANIFOLD)(M8X1.25X44)(3.275)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $8.21
    $7.83
    1
    Add To Cart
  • STUD, Exhaust Pipe
    24576687
    STUD, EXHAUST MANIFOLD PIPE(M10X1.5X24 TO M10X1.5X33)
    • Fitting Vehicle Options:
      H
    • Require Quantity:
      02
    • Package Quantity:
      10
    MSRP: $22.17
    $14.11
    10
    Add To Cart
  • 11589156
    STUD, EXHAUST CROSSOVER PIPE(TO RIGHT MANIFOLD - FOR POWER BRAKE BOOSTER HEAT SHIELD)
    • Fitting Vehicle Options:
      H(L36)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: --
    $13.05
    1
    Add To Cart
  • PIPE, Exhaust Pipe
    Buick 24503125
    24503125
    PIPE, EXHAUST CROSSOVER(W/HEAT SHIELD)(STAINLESS STEEL)
    • Fitting Vehicle Options:
      H(L36)
    MSRP: $636.91
    $424.10
    1
    Add To Cart
  • Buick 10371540
    10371540
    PIPE, EXHAUST MANIFOLD
    • Fitting Vehicle Options:
      H
  • Buick 25773762
    25773762
    MUFFLER, Exhaust, MUFFLER,EXHAUST (W/EXHAUST & TAIL PIPE & 3 WAY CATALYTIC CONVERTER)(INCLUDES 25,27,28)
    • Replaced By:
      19420122
  • 11517996
    NUT, HEX FLANGED HEAD,M10X1.5,11.2 THICK,21.5 OUTSIDE DIAMETER,10,7111M,ALL METAL PREVENT TORQUE(EXHAUST MANIFOLD PIPE)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $7.19
    $4.57
    1
    Add To Cart
  • 11514597
    NUT, HEX FLANGED HEAD,10X1.5 THREAD, 9.8 THICK, 21.8 OUTSIDE DIAMETER, 510M (10) PHOSPHATE ZINC ORGANIC - FLAKE 7111M(EXHAUST MUFFLER REAR HANGER BRACKET)(2.383)
    MSRP: $8.20
    $4.57
    1
    Add To Cart
  • 11515767
    BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EXHAUST MUFFLER REAR HANGER BRACKET)(TOGETHER WITH 12345493)
    MSRP: $1.14
    $0.74
    10
    Add To Cart
  • 11609746
    NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(EXHAUST MANIFOLD)
    • Require Quantity:
      04
    • Package Quantity:
      12
    MSRP: $4.30
    $2.73
    12
    Add To Cart
  • 11609746
    NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(CATALYTIC CONVERTER)
    • Require Quantity:
      04
    • Package Quantity:
      12
    MSRP: $4.30
    $2.73
    12
    Add To Cart
  • 11561734
    RIVET, POP,.187"SHANK DIAMETER,.51"LONG,.625"OUTSIDE DIAMETER,.062-.25GRIP,ALUMINUM,PURPLE,DOME HEAD.(CATALYTIC CONVERTER HEAT SHIELD)
    • Fitting Vehicle Options:
      H
    • Require Quantity:
      06
    • Package Quantity:
      1
    MSRP: $7.20
    $4.57
    1
    Add To Cart
  • 11561734
    RIVET, POP,.187"SHANK DIAMETER,.51"LONG,.625"OUTSIDE DIAMETER,.062-.25GRIP,ALUMINUM,PURPLE,DOME HEAD.(OXYGEN SENSOR WIRING HARNESS SHIELD)
    • Fitting Vehicle Options:
      H
    • Require Quantity:
      04
    • Package Quantity:
      1
    MSRP: $7.20
    $4.57
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Buick Lesabre parts. Parts like Exhaust System 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: CUSTOM, LIMITED.