How to replace the water pump for RPOs L26/L32 on Buick LaCrosse?

The first step to change rpo l26/l32 water pumps involves draining the cooling system. Put the accessory wiring system aside first and loosen Water Pump bolt holding the Drive Belt. Begin by removing both Water Pump Pulley bolts and then taking out the pulley. Pull out the Power Steering Pump bolts to move the pump aside. Uninstall both Water Pump bolts and remove the Water Pump piece after taking off the gasket. Check both surfaces where the gasket will sit for any dirt before starting. Insert the gasket and Water Pump correctly then tighten the long bolts to 34 n.m (25 lb ft) and the short bolts to 22 n.m (16 lb ft). Secure the Water Pump Pulley bolts by tightening them to 13 nm (115 lb in). Reinstall the Power Steering Pump before placing the Drive Belt back in its position. Put back the accessory wiring junction and refilled the cooling system at the end.

OEM Buick LaCrosse Water Pump

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13 Water Pumps found

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Buick LaCrosse Auxiliary Pump
Part Number: 13592753
$39.23 MSRP: $61.46
You Save: $22.23 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Heater Coolant; Water Pump; Pump; Pump, Heater Coolant Flow; Pump, Heater
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 19209288
$128.02 MSRP: $250.62
You Save: $122.60 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Fan Blade; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 89017813, 89060462, 12482903, 12537829, 89018214
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
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Buick LaCrosse Water Pump, Green Line
Part Number: 12630084
$199.30 MSRP: $386.80
You Save: $187.50 (49%)
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Product Specifications
- Other Name: Water Pump Assembly; Pump, Engine Coolant
- Replaces: 12585226, 12591894, 12624936, 19181920, 24467301, 24439798
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Water Pump
Part Number: 25201445
$178.59 MSRP: $320.34
You Save: $141.75 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump Assembly
- Replaces: 25201243
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Water Pump
Part Number: 22965101
$114.12 MSRP: $206.55
You Save: $92.43 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump, Engine Coolant; Auxiliary Pump; Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 22922987
$124.79 MSRP: $225.87
You Save: $101.08 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | Base, Convenience, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 13592749
$108.76 MSRP: $194.22
You Save: $85.46 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assembly-Auxiliary Water; Auxiliary Pump; Pump, Heater Coolant Flow; Pump, Generator Drive; Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 12707180
$117.36 MSRP: $227.79
You Save: $110.43 (49%)
ADD TO CART
Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12672035
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 89018039
Product Specifications
- Other Name: Pump Kit, Water; Water Manifold; Pump Kit, Engine Coolant
- Replaces: 12569247, 12604750
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse Auxiliary Pump
Part Number: 25956694
Product Specifications
- Other Name: Pump Assembly-Auxiliary Water; Water Pump; Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick LaCrosse | Base, Convenience, Leather | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Water Pump
Part Number: 12566029
Product Specifications
- Other Name: Pump, Water; Oil Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Water Pump
Part Number: 89018165
Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 89017701
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse Water Pump
Part Number: 12709178
$208.24 MSRP: $373.52
You Save: $165.28 (45%)
Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12645176, 12637479, 12618472, 12657499
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016, 2008 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS

Buick LaCrosse Water Pump

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Buick LaCrosse Water Pump Parts Questions & Experts Answers

Water Pump
19209288
Q: How to replace the water pump for RPOs L26/L32 on Buick LaCrosse?
A: The first step to change rpo l26/l32 water pumps involves draining the cooling system. Put the accessory wiring system aside first and loosen Water Pump bolt holding the Drive Belt. Begin by removing both Water Pump Pulley bolts and then taking out the pulley. Pull out the Power Steering Pump bolts to move the pump aside. Uninstall both Water Pump bolts and remove the Water Pump piece after taking off the gasket. Check both surfaces where the gasket will sit for any dirt before starting. Insert the gasket and Water Pump correctly then tighten the long bolts to 34 n.m (25 lb ft) and the short bolts to 22 n.m (16 lb ft). Secure the Water Pump Pulley bolts by tightening them to 13 nm (115 lb in). Reinstall the Power Steering Pump before placing the Drive Belt back in its position. Put back the accessory wiring junction and refilled the cooling system at the end.

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