How to service and repair the water pump on Buick Regal?

The Water Pump service needs a partial drain of the cooling system before you start. Position the accessory block out of the way before you undo the Water Pump Pulley bolt with the hose clamp pliers (J38185). You should first take off the Water Pump bolts and the Water Pump Pulley afterwards. After removing Power Steering Pump bolts you can position its supply location and unscrew all Water Pump bolts including the Water Pump unit. Before installing the new Water Pump make sure to clean and inspect both surfaces where the gasket used to be placed. Use the torque angle meter (J36660-A) to add new gasket and Water Pump to their positions. Install the bolts with specified torque using the meter and stop at these values: tighten long bolts to 20 nm (15 ft. Lbs.) plus 40 degrees and short bolts to 15 nm (11 ft. Lbs.) plus 80 degrees. Place the Water Pump Pulley and loosely install its bolts before putting back the Power Steering Pump with its mounting hardware. Reattach the belt and screw in the Water Pump Pulley bolts until they reach a torque force of 13 nm (15 inch lbs.). Put back the accessory wiring junction block before adding coolant and looking for any fluid leaks.

OEM Buick Regal Water Pump

H2O Pump

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11 Water Pumps found

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Buick Regal Water Pump
Part Number: 12537495
$33.09 MSRP: $179.32
You Save: $146.23 (82%)
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Product Specifications
- Other Name: Pump Kit, Engine Coolant; Water Pump Assembly
- Replaces: 12537892, 12536421
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 Buick Regal | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS
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Buick Regal Water Pump
Part Number: 19209288
$128.02 MSRP: $250.62
You Save: $122.60 (49%)
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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:
- 1996-2004 Buick Regal | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
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Buick Regal Water Pump, Green Line
Part Number: 12630084
$199.30 MSRP: $386.80
You Save: $187.50 (49%)
Ships in 1-3 Business Days
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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:
- 2011-2017 Buick Regal | Base, CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Regal Water Pump
Part Number: 12482919
$74.63 MSRP: $133.27
You Save: $58.64 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12537417, 12537135
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Buick Regal | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
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Buick Regal Water Pump
Part Number: 25201450
$234.83 MSRP: $455.77
You Save: $220.94 (49%)
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Product Specifications
- Other Name: Water Pump Assembly; Gasket, Engine Coolant Pump; Pump, Engine Coolant
- Replaces: 12657198, 12663910, 12653661, 12690252
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2017 Buick Regal | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
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Buick Regal Water Pump
Part Number: 22965101
$114.12 MSRP: $206.55
You Save: $92.43 (45%)
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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:
- 2012-2016 Buick Regal | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Regal 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 Regal | Base, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Regal Water Pump
Part Number: 231886
Product Specifications
- Other Name: Pump Package-Water (All Non A/C) (Asbestos); Pump Assembly; Water Pump Assembly; Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985 Buick Regal | Base | 8 Cyl 5.7 L DIESEL
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Buick Regal Water Pump
Part Number: 25527536
Product Specifications
- Other Name: Pump Kit, Water; Pump Assembly; Water Pump Assembly; Pump; Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1987 Buick Regal | Base, GNX, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
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Buick Regal Water Pump
Part Number: 12371989
Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump; Pump Kit, Engine Coolant; Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1996 Buick Regal | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
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Buick Regal Water Pump
Part Number: 12337519
Product Specifications
- Other Name: Pump; Water Pump Assembly; Pump Kit, Engine Coolant; Pump, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1987 Buick Regal | Base, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL

Buick Regal Water Pump

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Buick Regal Water Pump Parts Questions & Experts Answers

Water Pump
19209288
Q: How to service and repair the water pump on Buick Regal?
A: The Water Pump service needs a partial drain of the cooling system before you start. Position the accessory block out of the way before you undo the Water Pump Pulley bolt with the hose clamp pliers (J38185). You should first take off the Water Pump bolts and the Water Pump Pulley afterwards. After removing Power Steering Pump bolts you can position its supply location and unscrew all Water Pump bolts including the Water Pump unit. Before installing the new Water Pump make sure to clean and inspect both surfaces where the gasket used to be placed. Use the torque angle meter (J36660-A) to add new gasket and Water Pump to their positions. Install the bolts with specified torque using the meter and stop at these values: tighten long bolts to 20 nm (15 ft. Lbs.) plus 40 degrees and short bolts to 15 nm (11 ft. Lbs.) plus 80 degrees. Place the Water Pump Pulley and loosely install its bolts before putting back the Power Steering Pump with its mounting hardware. Reattach the belt and screw in the Water Pump Pulley bolts until they reach a torque force of 13 nm (15 inch lbs.). Put back the accessory wiring junction block before adding coolant and looking for any fluid leaks.