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  2. Buick
  3. 2005
  4. Lacrosse / Allure
  5. Fuel and exhaust

2005 Buick Lacrosse / Allure fuel and exhaust parts catalog

Add this car in your garage and make future searches easy.

Insulator, pcm module and wiring harness (l26/3.8-2)

  • OEM part number: 25346092
  • Quantity in car: 2
  • Air cleaner housing
  • Usage: W (L26)

$2.29—2.47

Available in 2 shops

Add to cart

Hanger, exhaust system (ly7/3.6-7)

  • OEM part number: 10056770
  • Quantity in car: 2
  • Catalytic converter
  • Usage: W, W

$7.66—20.41

Available in 38 shops

Add to cart

Bracket, exhaust system (ly7/3.6-7)

  • OEM part number: 10301948
  • Quantity in car: 1
  • Usage: WE (LY7)

$4.82—6.26

Available in 38 shops

Add to cart

Insulator, exhaust system (ly7/3.6-7)

  • OEM part number: 10304424
  • Quantity in car: 2
  • Exhaust muffler rear hanger
  • Usage: W

$5.09—11.15

Available in 38 shops

Add to cart

Insulator, exhaust system (ly7/3.6-7)

  • OEM part number: 10304424
  • Quantity in car: 1
  • Usage: W, W

$5.09—11.15

Available in 38 shops

Add to cart

Bracket, exhaust system (ly7/3.6-7)

  • OEM part number: 10317179
  • Quantity in car: 1
  • Exhaust muffler front hanger bracket
  • Usage: W

$3.39—7.83

Available in 38 shops

Add to cart

Gasket, exhaust system (ly7/3.6-7)

  • OEM part number: 10328740
  • Quantity in car: 1
  • Catalytic converter (between converter & i-pipe) (rear, larger gasket)
  • Usage: W

$4.51—16.01

Available in 38 shops

Add to cart

Gasket, exhaust system (ly7/3.6-7)

  • OEM part number: 10328740
  • Quantity in car: 1
  • Usage: WC, WD, WE

$4.51—16.01

Available in 38 shops

Add to cart

Bracket LH, exhaust system (ly7/3.6-7)

  • OEM part number: 10328742
  • Quantity in car: 1
  • Exhaust muffler rear hanger (reduction)
  • Usage: WE (LY7)

$7.18—7.73

Available in 2 shops

Add to cart

Bracket RH, exhaust system (ly7/3.6-7)

  • OEM part number: 10328743
  • Quantity in car: 1
  • Exhaust muffler rear hanger (green)
  • Usage: W

$7.24—7.79

Available in 2 shops

Add to cart

Nut, exhaust system (ly7/3.6-7)

  • OEM part number: 11514597
  • Quantity in car: 2
  • Hex flanged head, 10x1.5 thread, 9.8 thick, 21.8 outside diameter, 510m (10) zf 7111m (catalytic converter)

$2.86—5.83

Available in 3 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 11518624
  • Quantity in car: 1
  • Hex flanged head, m10x1.5x30.4, 22.5 thread, 22.3 outside diameter, 10.9, gmw3359 (exhaust manifold lower heat shield)

$2.75—236.00

Available in 38 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 11518860
  • Quantity in car: 7
  • Hex flanged head, m8x1.25x30, 20.9 thread, 18 outside diameter, 10.9, gmw3179 code g, gm6194m (exhaust manifold)

$1.12—11.17

Available in 3 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 11570136
  • Quantity in car: 1
  • Hexagon head, with conical spring washer, m6x1x23, 14 thread, 17 outside diameter, 8.8, gmw3359 (exhaust crossover pipe bracket)

$4.97—7.09

Available in 38 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 11588712
  • Quantity in car: 1
  • Hex flanged head, m6x1x20, 17.5 thread, 14.2 outside diameter, 8.8, gmw3359 (exhaust manifold lower heat shield)

$2.19—5.20

Available in 39 shops

Add to cart

Stud, exhaust system (ly7/3.6-7)

  • OEM part number: 11589264
  • Quantity in car: 2
  • Straight, m10x1.5x30, m10x1.5x16, 57 tl, stainless steel (exhaust manifold rear pipe)

$6.97—11.75

Available in 38 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 11589341
  • Quantity in car: 1
  • Hex flanged head, m10x1.5x69.9, 28.35 thread, 22.3 outside diameter, 10.9, gmw3359, m-pt. (engine mount strut engine side bracket)

$4.92—8.66

Available in 38 shops

Add to cart

Stud, exhaust system (ly7/3.6-7)

  • OEM part number: 11609870
  • Quantity in car: 2
  • Exhaust manifold front pipe (m10x1.5x20.25, m10x1.5x14.75)
  • Usage: WE19 (LY7), WE (LY7)

$2.87—4.93

Available in 38 shops

Add to cart

Manifold LH, exhaust system (ly7/3.6-7)

  • OEM part number: 12571074
  • Quantity in car: 1
  • Usage: W (LY7)

$145.82—162.17

Available in 38 shops

Add to cart

Manifold RH, exhaust system (ly7/3.6-7)

  • OEM part number: 12571075
  • Quantity in car: 1
  • Usage: W (LY7)

$145.10—156.13

Available in 2 shops

Add to cart

Gasket LH, exhaust system (ly7/3.6-7)

  • OEM part number: 12576262
  • Quantity in car: 1
  • Exhaust manifold
  • Usage: W (LY7)

$16.39—29.85

Available in 38 shops

Add to cart

Gasket RH, exhaust system (ly7/3.6-7)

  • OEM part number: 12576263
  • Quantity in car: 1
  • Exhaust manifold
  • Usage: W (LY7)

$15.60—27.06

Available in 38 shops

Add to cart

Shield LH, exhaust system (ly7/3.6-7)

  • OEM part number: 12581813
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (LY7)

$14.76—15.88

Available in 2 shops

Add to cart

Sensor, exhaust system (ly7/3.6-7)

  • OEM part number: 12584050
  • Quantity in car: 1
  • Heated oxygen (position 3)
  • Usage: W19 (LY7)

$83.04—126.92

Available in 38 shops

Add to cart

Sensor, exhaust system (ly7/3.6-7)

  • OEM part number: 12587096
  • Quantity in car: 1
  • Heated oxygen (position 1) (in exhaust manifold/crossover)
  • Usage: W19 (LY7), W (LY7)

$73.11—172.51

Available in 38 shops

Add to cart

Shield RH, exhaust system (ly7/3.6-7)

  • OEM part number: 12587619
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (LY7)

$12.66—13.62

Available in 2 shops

Add to cart

Nut, exhaust system (ly7/3.6-7)

  • OEM part number: 15032594
  • Exhaust manifold pipe (hexagon m10x1.5) (attached exhaust manifold pipe)
  • Usage: WE19 (LY7)

$0.68—5.80

Available in 39 shops

Add to cart

Nut, exhaust system (ly7/3.6-7)

  • OEM part number: 15032594
  • Quantity in car: 3
  • Exhaust crossover pipe (hexagon m10x1.5) (attached exhaust manifold pipe)
  • Usage: WE19 (LY7)

$0.68—5.80

Available in 39 shops

Add to cart

Converter, exhaust system (ly7/3.6-7)

  • OEM part number: 15212752
  • Quantity in car: 1
  • Usage: WE19 (LY7), WE19 (LY7), WE (LY7), WE (LY7)

$375.10—597.70

Available in 37 shops

Add to cart

Pipe, exhaust system (ly7/3.6-7)

  • OEM part number: 15218551
  • Quantity in car: 1
  • Usage: WE (LY7)

$439.30—649.43

Available in 37 shops

Add to cart

Bracket, exhaust system (ly7/3.6-7)

  • OEM part number: 15256995
  • Quantity in car: 1
  • Exhaust crossover pipe
  • Usage: WE19 (LY7)

$12.93

Available in 1 shop

Add to cart

Gasket, exhaust system (ly7/3.6-7)

  • OEM part number: 15286606
  • Quantity in car: 1
  • Usage: W (L26, LY7), WE (LY7)

$12.84—19.28

Available in 38 shops

Add to cart

Converter, exhaust system (ly7/3.6-7)

  • OEM part number: 15848640
  • Quantity in car: 1
  • Usage: WE (LY7), WE (LY7)

$341.00—835.37

Available in 37 shops

Add to cart

Muffler, exhaust system (ly7/3.6-7)

  • OEM part number: 15894106
  • Quantity in car: 1
  • Usage: WE19 (LY7)

$745.48—910.46

Available in 37 shops

Add to cart

Bolt, exhaust system (ly7/3.6-7)

  • OEM part number: 24505098
  • Quantity in car: 6
  • Hex flanged head, round hd., 6x1x12.15, with anti seize, 14.2 o.d.dg point, 10.9, 711 (exhaust manifold heat shield)

$0.43—1.22

Available in 2 shops

Add to cart

Seal, exhaust system (l26/3.8-2)

  • OEM part number: 01647558
  • Quantity in car: 1
  • Exhaust crossover pipe
  • Usage: W (L26), W (L26, NU6)

$?

Add to cart

Hanger, exhaust system (l26/3.8-2)

  • OEM part number: 10056770
  • Quantity in car: 2
  • Catalytic converter
  • Usage: W

$7.66—20.41

Available in 38 shops

Add to cart

Insulator, exhaust system (l26/3.8-2)

  • OEM part number: 10304424
  • Quantity in car: 1
  • Usage: W

$5.09—11.15

Available in 38 shops

Add to cart

Insulator, exhaust system (l26/3.8-2)

  • OEM part number: 10304424
  • Quantity in car: 2
  • Exhaust muffler rear hanger
  • Usage: W

$5.09—11.15

Available in 38 shops

Add to cart

Gasket, exhaust system (l26/3.8-2)

  • OEM part number: 10328740
  • Quantity in car: 1
  • Catalytic converter (between converter & i-pipe) (rear, larger gasket)
  • Usage: W

$4.51—16.01

Available in 38 shops

Add to cart

Gasket, exhaust system (l26/3.8-2)

  • OEM part number: 10328740
  • Quantity in car: 1
  • Usage: WC, WD, WE

$4.51—16.01

Available in 38 shops

Add to cart

Nut, exhaust system (l26/3.8-2)

  • OEM part number: 11514597
  • Quantity in car: 2
  • Hex flanged head, 10x1.5 thread, 9.8 thick, 21.8 outside diameter, 510m (10) zf 7111m (catalytic converter)

$2.86—5.83

Available in 3 shops

Add to cart

Nut, exhaust system (l26/3.8-2)

  • OEM part number: 11517996
  • Quantity in car: 2
  • Hex flanged head, m10x1.5, 11.2thk, 21.5 outside diameter, 7111m (exhaust manifold pipe)

$2.89—3.81

Available in 38 shops

Add to cart

Bolt, exhaust system (l26/3.8-2)

  • OEM part number: 11519170
  • Quantity in car: 2
  • Hex flanged head, m8x1.25x45, 22 thread, 18 outside diameter, 8.8, 3359gmw, reduced body. (exhaust crossover pipe flange)

$4.24—19.48

Available in 39 shops

Add to cart

Bolt LH, exhaust system (l26/3.8-2)

  • OEM part number: 11519964
  • Quantity in car: 3
  • Hex flanged head, m6x1x13, 6 thread, 14.2 outside diameter, 8.8, gmw3359, mat point (exhaust manifold heat shield)

$2.86—3.49

Available in 38 shops

Add to cart

Bolt RH, exhaust system (l26/3.8-2)

  • OEM part number: 11519964
  • Quantity in car: 4
  • Hex flanged head, m6x1x13, 6 thread, 14.2 outside diameter, 8.8, gmw3359, mat point (exhaust manifold heat shield)

$2.86—3.49

Available in 38 shops

Add to cart

Stud, exhaust system (l26/3.8-2)

  • OEM part number: 11589156
  • Quantity in car: 2
  • Exhaust crossover pipe
  • Usage: W (L26)

$3.05—5.62

Available in 38 shops

Add to cart

Stud, exhaust system (l26/3.8-2)

  • OEM part number: 11589264
  • Quantity in car: 2
  • Straight, m10x1.5x30, m10x1.5x16, 57 tl, stainless steel (exhaust manifold pipe)

$6.97—11.75

Available in 38 shops

Add to cart

Nut, exhaust system (l26/3.8-2)

  • OEM part number: 11609746
  • Quantity in car: 4
  • Hex flanged head, m8x1.25, 8.9thk, 17.6 outside diameter, 10 steel, gmw3200, prevent torque (exhaust manifold)

$0.94—1.31

Available in 38 shops

Add to cart

Nut, exhaust system (l26/3.8-2)

  • OEM part number: 11609746
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 8.9thk, 17.6 outside diameter, 10 steel, gmw3200, prevent torque (exhaust manifold)

$0.94—1.31

Available in 38 shops

Add to cart

Sensor, exhaust system (l26/3.8-2)

  • OEM part number: 12572772
  • Quantity in car: 1
  • Heated oxygen (position 3) (post converter)
  • Usage: W (L26)

$1.15—71.75

Available in 2 shops

Add to cart

Sensor, exhaust system (l26/3.8-2)

  • OEM part number: 12574218
  • Quantity in car: 1
  • Heated oxygen (position 1) (in exhaust manifold/crossover)
  • Usage: W (L26, NT7), W (L26, NF4, NT7), W (L26, NT7, NU1)

$51.80

Available in 1 shop

Add to cart

Manifold RH, exhaust system (l26/3.8-2)

  • OEM part number: 12575855
  • Quantity in car: 1
  • Usage: W (L26, NU3), W (L26, NU6)

$171.55—328.70

Available in 38 shops

Add to cart

Sensor, exhaust system (l26/3.8-2)

  • OEM part number: 12576131
  • Quantity in car: 1
  • Heated oxygen (position 1) (in exhaust manifold/crossover)
  • Usage: W19 (L26, NU3)

$46.51—88.90

Available in 38 shops

Add to cart

Manifold RH, exhaust system (l26/3.8-2)

  • OEM part number: 12576864
  • Quantity in car: 1
  • Exhaust (stainless)
  • Usage: W (L26, NF4, NT7)

$119.70—240.95

Available in 38 shops

Add to cart

Manifold RH, exhaust system (l26/3.8-2)

  • OEM part number: 12576864
  • Quantity in car: 1
  • Exhaust (stainless) (labeled 12576864) (second design see 12580260)
  • Usage: W (L26, NT7) (1ST DES)

$119.70—240.95

Available in 38 shops

Add to cart

Manifold RH, exhaust system (l26/3.8-2)

  • OEM part number: 12580260
  • Quantity in car: 1
  • Exhaust (cast) (labeled 12580260)
  • Usage: W (L26, NT7) (2ND DES)

$55.78—59.72

Available in 38 shops

Add to cart

Manifold RH, exhaust system (l26/3.8-2)

  • OEM part number: 12580260
  • Quantity in car: 1
  • Usage: W (L26, NT7)

$55.78—59.72

Available in 38 shops

Add to cart

Manifold LH, exhaust system (l26/3.8-2)

  • OEM part number: 12588004
  • Quantity in car: 1
  • Usage: W (L26)

$183.47—406.49

Available in 38 shops

Add to cart

Shield RH, exhaust system (l26/3.8-2)

  • OEM part number: 12588277
  • Quantity in car: 1
  • Exhaust manifold heat (labeled 12588277) (second design see 12603296)
  • Usage: W (L26) (1ST DES)

$12.33—13.27

Available in 2 shops

Add to cart

Shield RH, exhaust system (l26/3.8-2)

  • OEM part number: 12588277
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (L26), W (L26, NU6)

$12.33—13.27

Available in 2 shops

Add to cart

Pipe, exhaust system (l26/3.8-2)

  • OEM part number: 12597679
  • Quantity in car: 1
  • Exhaust crossover (used with exhaust manifold labeled 12580260)
  • Usage: W (L26, NF4, NT7) (2ND DES)

$93.17—236.28

Available in 38 shops

Add to cart

Pipe, exhaust system (l26/3.8-2)

  • OEM part number: 12597679
  • Quantity in car: 1
  • Exhaust crossover
  • Usage: W (L26, NT7)

$93.17—236.28

Available in 38 shops

Add to cart

Sensor, exhaust system (l26/3.8-2)

  • OEM part number: 12597878
  • Quantity in car: 1
  • Heated oxygen (position 1) (in exhaust manifold/crossover)
  • Usage: W (L26, NU6)

$46.51—53.06

Available in 38 shops

Add to cart

Shield LH, exhaust system (l26/3.8-2)

  • OEM part number: 12603278
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (L26)

$40.18—43.24

Available in 2 shops

Add to cart

Shield RH, exhaust system (l26/3.8-2)

  • OEM part number: 12603296
  • Quantity in car: 1
  • Exhaust manifold heat (labeled 12603296) (first design see 12588277)
  • Usage: W (L26) (2ND DES)

$10.86—11.68

Available in 2 shops

Add to cart

Shield RH, exhaust system (l26/3.8-2)

  • OEM part number: 12603296
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (L26, NT7)

$10.86—11.68

Available in 2 shops

Add to cart

Sensor, exhaust system (l26/3.8-2)

  • OEM part number: 12616672
  • Quantity in car: 1
  • Heated oxygen (position 3)
  • Usage: W (L26)

$38.79—40.47

Available in 2 shops

Add to cart

Gasket, exhaust system (l26/3.8-2)

  • OEM part number: 15286606
  • Quantity in car: 1
  • Usage: W (L26, LY7), WC, WD (L26)

$12.84—19.28

Available in 38 shops

Add to cart

Converter, exhaust system (l26/3.8-2)

  • OEM part number: 15861399
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: WC, WD (L26, NU3), WC, WD (L26, NU3), WC, WD19 (L26, NU3), WC, WD19 (L26, NU3), WC, WD19 (L26, NU6), WC, WD19 (L26, NU6), WC, WD (L26, NU6), WC, WD (L26, NU6)

$726.48—1205.95

Available in 37 shops

Add to cart

Converter, exhaust system (l26/3.8-2)

  • OEM part number: 15861400
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: WC, WD19 (L26, NF4, NT7), WC, WD19 (L26, NF4, NT7)

$446.56—878.79

Available in 37 shops

Add to cart

Converter, exhaust system (l26/3.8-2)

  • OEM part number: 15861401
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: WC, WD19 (L26, NF4, NT7), WC, WD (L26, NF4, NT7)

$448.88—636.58

Available in 37 shops

Add to cart

Converter, exhaust system (l26/3.8-2)

  • OEM part number: 15861402
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: WC, WD19 (L26, NF4, NT7), WC, WD (L26, NF4, NT7), WC, WD (L26, NT7, NU1), WC, WD (L26, NT7, NU1)

$341.00

Available in 1 shop

Add to cart

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