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  2. Buick
  3. 2018
  4. Lacrosse
  5. Cooling System

2018 Buick Lacrosse cooling system parts catalog

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

Idler pulley, belts and pulleys

  • OEM part number: 12669532
  • Quantity in car: 1
  • Regal Sportback. LaCrosse. Acadia. XT5. 3.6L.

$49.18

Available in 36 shops

Add to cart

Serpentine belt, belts and pulleys

  • OEM part number: 12649097
  • Quantity in car: 1
  • Regal Sportback. LaCrosse. Acadia. XT5. 3.6L.

$17.18—17.87

Available in 36 shops

Add to cart

Tensioner, belts and pulleys

  • OEM part number: 12647765
  • Quantity in car: 1
  • Canyon, Colorado. Regal Sportback. LaCrosse. Acadia. Camaro. XT5. CTS. CT6. ATS. 3.6L, 2014-15. Without vsport. 3.0L twin-turbo. Coupe, 3.6L, 2016-19.

$25.00—25.97

Available in 36 shops

Add to cart

Bolt, belts and pulleys

  • OEM part number: 11588724
  • Quantity in car: 1
  • Engine oil cooler adapter

$0.35—2.48

Available in 38 shops

Add to cart

Serpentine Tensioner, belts and pulleys

  • OEM part number: 12685957
  • Quantity in car: 1
  • LaCrosse. 2.5l. Primary.

$244.25

Available in 36 shops

Add to cart

Serpentine Tensioner, belts and pulleys

  • OEM part number: 12683892
  • Quantity in car: 1
  • LaCrosse. 2.5l. Secondary.

$81.09

Available in 36 shops

Add to cart

Idler pulley, belts and pulleys

  • OEM part number: 12680377
  • Quantity in car: 1
  • LaCrosse. 2.5L, lower. Position: Lower

$80.93

Available in 36 shops

Add to cart

Idler pulley, belts and pulleys

  • OEM part number: 12678158
  • Quantity in car: 1
  • LaCrosse. 2.5L, upper. Position: Upper

$137.47

Available in 36 shops

Add to cart

Serpentine belt, belts and pulleys

  • OEM part number: 12677962
  • Quantity in car: 1
  • LaCrosse. 2.5l. Secondary.

$14.21—14.78

Available in 36 shops

Add to cart

Serpentine belt, belts and pulleys

  • OEM part number: 12677037
  • Quantity in car: 1
  • LaCrosse. 2.5l. Primary.

$27.09—28.13

Available in 36 shops

Add to cart

Bolt, belts and pulleys

  • OEM part number: 11588726
  • Quantity in car: 1
  • generator bracket

$0.88—2.61

Available in 38 shops

Add to cart

Bolt, belts and pulleys

  • OEM part number: 11588725
  • Quantity in car: 1
  • Hex flanged head, m8x1.25x35, 25 thread, 18 outside diameter, 8.8 steel, gmw3359, m-point

$2.75—10.76

Available in 39 shops

Add to cart

Tensioner Upper Bolt, belts and pulleys

  • OEM part number: 11549259
  • Quantity in car: 1
  • 2.5L. Position: Upper

$5.89

Available in 36 shops

Add to cart

Mount Bracket Lower Bolt, belts and pulleys

  • OEM part number: 11546410
  • Quantity in car: 1
  • 2.5L. 6.6L diesel, without dual alternators. Position: Lower

$3.60

Available in 36 shops

Add to cart

Fan assembly, cooling fan

  • OEM part number: 84297662
  • Quantity in car: 1
  • LaCrosse. Malibu. 2.5L. 1.5L turbo. Includes Fan Motor, Fan Blade And Shroud.

$251.95—261.14

Available in 36 shops

Add to cart

Harness, cooling fan

  • OEM part number: 26698711
  • Quantity in car: 1
  • 2.5L, 1st design. 3.6L, 1st design.

$76.18—79.24

Available in 36 shops

Add to cart

Harness, cooling fan

  • OEM part number: 26225283
  • Quantity in car: 1
  • 2.5L, 2nd design. 3.6L, 2nd design.

$65.33—67.78

Available in 36 shops

Add to cart

Bolt, cooling fan

  • OEM part number: 11609540
  • Quantity in car: 1
  • Hwh, m6x1x20, 16.15 thread, 17 outside diameter, 8.8, gmw4205, header pt. (rear compartment lid latch striker)

$2.82—3.81

Available in 38 shops

Add to cart

Fan assembly, cooling system

  • OEM part number: 84297662
  • Quantity in car: 1
  • LaCrosse. Malibu. 2.5L. 1.5L turbo. Includes Fan Motor, Fan Blade And Shroud.

$251.95—261.14

Available in 36 shops

Add to cart

Expansion Tank, cooling system

  • OEM part number: 84000794
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

Lower hose, cooling system

  • OEM part number: 26223356
  • Quantity in car: 1
  • LaCrosse.

$71.95

Available in 36 shops

Add to cart

Front Camera, cooling system

  • OEM part number: 26220354
  • Quantity in car: 1
  • With collision alert. Equinox. Front. Premier. Position: Front

$?

Add to cart

Expansion Tank, cooling system

  • OEM part number: 23130052
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

13502353 genuine OEM part.

Cap, cooling system

  • OEM part number: 13502353
  • Quantity in car: 1
  • Radiator surge tank

$6.93—15.39

Available in 39 shops

Add to cart

Water Pump Assembly, cooling system

  • OEM part number: 12677029
  • Quantity in car: 1
  • LaCrosse. 2.5L. Includes Water Pump Gasket.

$256.45

Available in 36 shops

Add to cart

Water Outlet, cooling system

  • OEM part number: 12656446
  • Quantity in car: 1
  • Equinox, Terrain. Regal Sportback. Regal TourX. Envision. LaCrosse. Traverse. Malibu. Impala. Acadia. 2.5L. 2014-2017. 2.0L turbo. Part Requires Torque-to-yield Bolts That Are Not Reusable, Replace Only. Includes Gasket, Coolant Temp Sensor And By-Pa

$92.41

Available in 36 shops

Add to cart

Housing, cooling system

  • OEM part number: 12650241
  • Quantity in car: 1
  • Housing

$23.56—47.78

Available in 37 shops

Add to cart

Gasket, cooling system

  • OEM part number: 12627061
  • Quantity in car: 1
  • Gasket

$3.92—6.55

Available in 37 shops

Add to cart

Clamp, radiator and components

  • OEM part number: 90572594
  • Quantity in car: 1
  • Radiator inlet hose (gray) (27 nominal diameter, 12 width) (springband)

$1.19—6.05

Available in 39 shops

Add to cart

Upper baffle, radiator and components

  • OEM part number: 84446830
  • Quantity in car: 1
  • 2.5L, main. Position: Front Upper

$41.08

Available in 36 shops

Add to cart

Fan assembly, radiator and components

  • OEM part number: 84297662
  • Quantity in car: 1
  • LaCrosse. Malibu. 2.5L. 1.5L turbo. Includes Fan Motor, Fan Blade And Shroud.

$251.95—261.14

Available in 36 shops

Add to cart

Lower baffle, radiator and components

  • OEM part number: 84284108
  • Quantity in car: 1
  • 2.5L, main. Position: Front Lower

$32.96—34.17

Available in 36 shops

Add to cart

Mount bracket, radiator and components

  • OEM part number: 84258382
  • Quantity in car: 1
  • 3.6L. 2.5L, main. 2.0L turbo. 1.5L turbo. 1.8L, engine cooling. Position: Left

$5.98

Available in 36 shops

Add to cart

Auxiliary Radiator, radiator and components

  • OEM part number: 84174839
  • Quantity in car: 1
  • LaCrosse. 2.5L, auxilary.

$187.50

Available in 36 shops

Add to cart

Upper Seal, radiator and components

  • OEM part number: 84135600
  • Quantity in car: 1
  • 2.5L, main.

$25.16

Available in 36 shops

Add to cart

Expansion Tank, radiator and components

  • OEM part number: 84000794
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

Mount, radiator and components

  • OEM part number: 52493483
  • Quantity in car: 1
  • Radiator lower

$15.53—31.93

Available in 38 shops

Add to cart

Auxiliary Pump Bracket, radiator and components

  • OEM part number: 26679361
  • Quantity in car: 1
  • 2.5L, auxilary.

$10.54

Available in 36 shops

Add to cart

Reinforcement, radiator and components

  • OEM part number: 26233812
  • Quantity in car: 1
  • Park assist disable, with hybrid.

$?

Add to cart

Outlet hose, radiator and components

  • OEM part number: 26223365
  • Quantity in car: 1
  • Outlet hose. 2.5L, auxilary.

$33.82

Available in 36 shops

Add to cart

Coolant Hose, radiator and components

  • OEM part number: 26223363
  • Quantity in car: 1
  • Coolant hose. 2.5L, auxilary.

$61.25

Available in 36 shops

Add to cart

Inlet hose, radiator and components

  • OEM part number: 26223360
  • Quantity in car: 1
  • Inlet hose. 2.5L, auxilary.

$30.93

Available in 36 shops

Add to cart

Outlet hose, radiator and components

  • OEM part number: 26223358
  • Quantity in car: 1
  • LaCrosse. 2.5L, auxilary. Position: Lower

$36.48

Available in 36 shops

Add to cart

Inlet hose, radiator and components

  • OEM part number: 26223357
  • Quantity in car: 1
  • LaCrosse. 2.5L, auxilary. Position: Upper

$50.18

Available in 36 shops

Add to cart

Lower hose, radiator and components

  • OEM part number: 26223356
  • Quantity in car: 1
  • LaCrosse.

$71.95

Available in 36 shops

Add to cart

Vent Hose, radiator and components

  • OEM part number: 26223350
  • Quantity in car: 1
  • Vent hose. 2.5L, main.

$58.50

Available in 36 shops

Add to cart

Front Camera, radiator and components

  • OEM part number: 26220354
  • Quantity in car: 1
  • With collision alert. Equinox. Front. Premier. Position: Front

$?

Add to cart

Drain plug, radiator and components

  • OEM part number: 23444086
  • Quantity in car: 1
  • 2019. 2016-18. 2.5L, main. 2.0L turbo. 1.5L turbo. Hoses and reservoir. 2.0l, radiator and hoses. 1.8L, engine cooling. 3.6L, radiator and mounting. 2.0L, radiator and mounting. 3.0L twin-turbo, main radiator. Included With Radiator.

$21.36

Available in 36 shops

Add to cart

Radiator Mount Bracket, radiator and components

  • OEM part number: 23336310
  • Quantity in car: 1
  • 2.5L, main. 2.0L turbo. 1.8L, engine cooling. Position: Left Lower, Left Upper, Right Lower, Right Upper, Left Lower Lower, Left Lower Upper, Right Upper Lower, Right Upper Upper

$12.15

Available in 36 shops

Add to cart

Radiator Mount Bracket, radiator and components

  • OEM part number: 23336309
  • Quantity in car: 1
  • 2.5L, main. 2.0L turbo. 1.8L, engine cooling. Position: Right Lower, Right Upper, Left Lower, Left Upper, Left Upper Lower, Left Upper Upper, Right Lower Lower, Right Lower Upper

$12.15

Available in 36 shops

Add to cart

Expansion Tank, radiator and components

  • OEM part number: 23130052
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

Rear Hose, radiator and components

  • OEM part number: 23127047
  • Quantity in car: 1
  • 2.5L, auxilary. Position: Rear

$68.81

Available in 36 shops

Add to cart

Engine Coolant Reservoir, radiator and components

  • OEM part number: 23120052
  • Quantity in car: 1
  • Malibu. Reservoir. 2.5L, main. 1.8L, engine cooling.

$15.81—16.42

Available in 36 shops

Add to cart

Mount bracket, radiator and components

  • OEM part number: 22982959
  • Quantity in car: 1
  • 3.6L. 2.5L, main. 2.0L turbo. 1.5L turbo. 1.8L, engine cooling. Included With Radiator. Position: Right

$4.56—4.75

Available in 36 shops

Add to cart

Separator, radiator and components

  • OEM part number: 20951983
  • Quantity in car: 1
  • Drive motor battery cool/air

$4.42—10.81

Available in 38 shops

Add to cart

Engine Auxiliary Water Pump, radiator and components

  • OEM part number: 13592749
  • Quantity in car: 1
  • With eassist. LaCrosse. HVAC System. 2.5L, auxilary. Sierra, silverado. Generator cooling.

$129.57

Available in 36 shops

Add to cart

Sensor, radiator and components

  • OEM part number: 13583411
  • Quantity in car: 1
  • Sensor

$7.71

Available in 36 shops

Add to cart

13502353 genuine OEM part.

Cap, radiator and components

  • OEM part number: 13502353
  • Quantity in car: 1
  • Radiator surge tank

$6.93—15.39

Available in 39 shops

Add to cart

Water Pump Assembly, radiator and components

  • OEM part number: 12677029
  • Quantity in car: 1
  • LaCrosse. 2.5L. Includes Water Pump Gasket.

$256.45

Available in 36 shops

Add to cart

Water Outlet, radiator and components

  • OEM part number: 12656446
  • Quantity in car: 1
  • Equinox, Terrain. Regal Sportback. Regal TourX. Envision. LaCrosse. Traverse. Malibu. Impala. Acadia. 2.5L. 2014-2017. 2.0L turbo. Part Requires Torque-to-yield Bolts That Are Not Reusable, Replace Only. Includes Gasket, Coolant Temp Sensor And By-Pa

$92.41

Available in 36 shops

Add to cart

Housing, radiator and components

  • OEM part number: 12650241
  • Quantity in car: 1
  • Housing

$23.56—47.78

Available in 37 shops

Add to cart

Temp sensor, radiator and components

  • OEM part number: 12641073
  • Quantity in car: 1

$18.73—20.57

Available in 37 shops

Add to cart

Gasket, radiator and components

  • OEM part number: 12627061
  • Quantity in car: 1
  • Gasket

$3.92—6.55

Available in 37 shops

Add to cart

Retainer, radiator and components

  • OEM part number: 11589289
  • Quantity in car: 1
  • Push-in, fits 6.5 hole, 2-4.5 thick panel, nylon 6/6 per gmp.pa66.0 (front bumper upper fascia (push in))

$2.81—5.55

Available in 39 shops

Add to cart

Bolt, radiator and components

  • OEM part number: 11588717
  • Quantity in car: 1
  • Intake manifold brace (m6x1.0x45.0)

$2.76—4.94

Available in 38 shops

Add to cart

Radiator Hose Clamp, radiator and components

  • OEM part number: 11548236
  • Quantity in car: 1
  • 3.6L, rear. 2.5L, main, front. 2.0L turbo, front. 1.5L turbo, front. 1.8L, engine cooling. Position: Front Lower Front, Front Lower Rear, Front Lower Lower, Front Lower Upper, Front Upper Front, Front Upper Rear, Front Upper Lower, Front Upper Upper,

$14.47

Available in 36 shops

Add to cart

Outlet Hose Clamp, radiator and components

  • OEM part number: 11548235
  • Quantity in car: 1
  • 2016-18, front section, with hybrid. 3.6L, front. 2.5L, main, rear. 1.5L turbo, rear. Sedan, 2.5L, rear. 2.5L, reservoir and hoses. 1.6L, reservoir and hoses. Coupe, 2.0L turbo, rear. With high output, rear. 2.0L, reservoir and hoses, #2. 1.4L, res

$13.72

Available in 36 shops

Add to cart

Outlet Hose Clamp, radiator and components

  • OEM part number: 11547667
  • Quantity in car: 1
  • 4.2L twin-turbo, rear section, front. 3.0L twin-turbo, rear section, front. 3.6L, rear section, front. 2019, rear section, rear. 2.0l. 2.7L turbo, lower. 2.5L, auxilary, front. 1.8L, generator cooling, front. 4.2L twin-turbo, radiator mounted. 4.2L twin-t

$2.12—2.22

Available in 36 shops

Add to cart

Bolt, radiator and components

  • OEM part number: 11547421
  • Quantity in car: 1
  • 2014-16 bumper cover and mounting without CTS V. Base, sle, elevation, upper components. L, Blazer, premier, bumper cover and trim. With CTS V, bumper and mounting, lower. L, Blazer, premier, bumper support. At4, slt, denali, upper components. Lowe

$6.35

Available in 36 shops

Add to cart

Fan assembly, water pump

  • OEM part number: 84297662
  • Quantity in car: 1
  • LaCrosse. Malibu. 2.5L. 1.5L turbo. Includes Fan Motor, Fan Blade And Shroud.

$251.95—261.14

Available in 36 shops

Add to cart

Expansion Tank, water pump

  • OEM part number: 84000794
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

Retainer, water pump

  • OEM part number: 55575090
  • Quantity in car: 1
  • Retainer

$2.20—2.76

Available in 37 shops

Add to cart

Lower hose, water pump

  • OEM part number: 26223356
  • Quantity in car: 1
  • LaCrosse.

$71.95

Available in 36 shops

Add to cart

Front Camera, water pump

  • OEM part number: 26220354
  • Quantity in car: 1
  • With collision alert. Equinox. Front. Premier. Position: Front

$?

Add to cart

Expansion Tank, water pump

  • OEM part number: 23130052
  • Quantity in car: 1
  • LaCrosse.

$?

Add to cart

13502353 genuine OEM part.

Cap, water pump

  • OEM part number: 13502353
  • Quantity in car: 1
  • Radiator surge tank

$6.93—15.39

Available in 39 shops

Add to cart

By-Pass Pipe, water pump

  • OEM part number: 12679317
  • Quantity in car: 1
  • By-pass pipe. Envision. Sedan, 2.5L. 2.0L turbo, with track pkg.

$35.27

Available in 36 shops

Add to cart

Water Pump Assembly, water pump

  • OEM part number: 12677029
  • Quantity in car: 1
  • LaCrosse. 2.5L. Includes Water Pump Gasket.

$256.45

Available in 36 shops

Add to cart

Water Outlet, water pump

  • OEM part number: 12656446
  • Quantity in car: 1
  • Equinox, Terrain. Regal Sportback. Regal TourX. Envision. LaCrosse. Traverse. Malibu. Impala. Acadia. 2.5L. 2014-2017. 2.0L turbo. Part Requires Torque-to-yield Bolts That Are Not Reusable, Replace Only. Includes Gasket, Coolant Temp Sensor And By-Pa

$92.41

Available in 36 shops

Add to cart

Coolant Temp Sensor, water pump

  • OEM part number: 12656444
  • Quantity in car: 1
  • Regal Sportback. Equinox, Terrain. Canyon, Colorado. Regal TourX. Envision. LaCrosse. Traverse. Cascada. Impala. Acadia. Camaro. Malibu. CTS. XTS. CT6. ATS. Lf3. 1.8l. 2016-18. At engine. 2.0l, 2.5l. 2014-2017. Sedan, 2.5L. With vsport. With v-series. Wa

$16.71

Available in 36 shops

Add to cart

Housing, water pump

  • OEM part number: 12650241
  • Quantity in car: 1
  • Housing

$23.56—47.78

Available in 37 shops

Add to cart

Gasket, water pump

  • OEM part number: 12630780
  • Quantity in car: 1
  • Gasket

$2.61—5.51

Available in 37 shops

Add to cart

Gasket, water pump

  • OEM part number: 12627061
  • Quantity in car: 1
  • Gasket

$3.92—6.55

Available in 37 shops

Add to cart

Gasket, water pump

  • OEM part number: 12627055
  • Quantity in car: 1
  • Gasket

$6.28—21.96

Available in 37 shops

Add to cart

Hose, water pump

  • OEM part number: 12627054
  • Quantity in car: 1
  • Hose

$8.01—15.86

Available in 37 shops

Add to cart

Gasket, water pump

  • OEM part number: 12627049
  • Quantity in car: 1
  • Gasket

$2.27—4.35

Available in 37 shops

Add to cart

Bolt, water pump

  • OEM part number: 11588714
  • Quantity in car: 1
  • Hex flanged head, m6x1x30, 22.7 thread, 14.2 outside diameter, 8.8, gmw3359, m-pt.

$2.86—5.88

Available in 39 shops

Add to cart

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