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.

How to replace the water pump on Buick Enclave?

Begin the process of replacing the Water Pump by utilizing the proper method to drain the cooling system. Begin by taking off the Drive Belt and then moving to the right engine strut mount and right engine mount strut bracket. With a Water Pump Pulley holding tool restore the Water Pump before removing all pulley bolts and taking off the pulley. Take out the Water Pump bolts and Water Pump unit from its location while discarding the worn seal. Clean every Water Pump surface thoroughly before putting on a fresh Water Pump seal and the Water Pump. Secure the Water Pump bolts with 10 nm (89 lb in), reinstall the Water Pump Pulley, and tighten its bolts to 10 nm (89 lb in) while using the en 46104 (Water Pump Pulley Holding Tool) retention fixture. Put back the right engine strut mount and right engine mount strut bracket and install the Drive Belt. Complete the cooling system through correct filling procedures.

OEM Buick Water Pump

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52 Water Pumps found

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Buick Auxiliary Pump Part Number: 13592753
$43.76 MSRP: $72.09
You Save: $28.33 (40%)
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
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick Water Pump Part Number: 12537495
$33.09 MSRP: $179.32
You Save: $146.23 (82%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Kit, Engine Coolant; Water Pump Assembly
- Replaces: 12537892, 12536421
Fits the following Buick Models:
- Century | 1986-1990 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
- Electra | 1986-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1986-1990 | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Reatta | 1988-1990 | Base | 6 Cyl 3.8 L GAS
- Regal | 1986 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS
- Riviera | 1986-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Skylark | 1985-1990 | Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 6 Cyl 3.0 L GAS
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Buick Water Pump Housing Part Number: 25204277
$123.63 MSRP: $223.77
You Save: $100.14 (45%)
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Product Specifications
- Other Name: Water Pump; Water Pump Assembly; Pump, Engine Coolant
- Replaces: 55505441, 55515877
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Auxiliary Pump Part Number: 13546434
$72.11 MSRP: $135.42
You Save: $63.31 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assembly-Auxiliary Water; Pump, Heater Coolant Flow; Pump, Engine Coolant
- Replaced by: 13551861
Fits the following Buick Models:
- Enclave | 2021-2024 | Avenir, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
- Encore GX | 2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Water Pump Part Number: 12482919
$73.63 MSRP: $133.27
You Save: $59.64 (45%)
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
Fits the following Buick Models:
- Century | 1991-1993 | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.3 L GAS
- LeSabre | 1991-1995 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1995 | Base, Ultra | 6 Cyl 3.8 L GAS
- Reatta | 1991 | Base | 6 Cyl 3.8 L GAS
- Regal | 1990-1995 | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1995, 1991-1993 | Base, Luxury | 6 Cyl 3.8 L GAS
- Skylark | 1991-1993 | Base, Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 3.3 L GAS
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Buick Water Pump Part Number: 12673412
$173.71 MSRP: $340.10
You Save: $166.39 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: 25205820
Fits the following Buick Models:
- Encore | 2016-2017 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Auxiliary Pump Part Number: 42492417
$100.86 MSRP: $182.56
You Save: $81.70 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly-Auxiliary Water
- Replaces: 95383966
Fits the following Buick Models:
- Encore | 2022, 2016-2019 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Water Pump Part Number: 12724522
$179.89 MSRP: $349.14
You Save: $169.25 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Water (Module); Water Pump Assembly; Pump, Engine Coolant
- Replaced by: 12738953
- Replaces: 55506790, 55515497, 55510113, 55508939
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Water Pump Part Number: 12707765
$166.74 MSRP: $301.80
You Save: $135.06 (45%)
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Product Specifications
- Replaced by: 25208565
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS
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Buick Water Pump Part Number: 25204309
$173.71 MSRP: $340.10
You Save: $166.39 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Water Pump Assembly; Housing
- Replaced by: 25205820
Fits the following Buick Models:
- Encore | 2016-2022 | Base, Essence, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Water Pump Part Number: 13592749
$121.23 MSRP: $227.66
You Save: $106.43 (47%)
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
Fits the following Buick Models:
- LaCrosse | 2018-2019 | 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 Water Pump Part Number: 55505442
$103.39 MSRP: $194.17
You Save: $90.78 (47%)
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Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Water Pump Part Number: 12709178
$192.45 MSRP: $380.82
You Save: $188.37 (50%)
ADD TO CART
Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaced by: 12739553
- Replaces: 12645176, 12637479, 12618472, 12657499
Fits the following Buick Models:
- Enclave | 2008-2024 | Avenir, Base, Convenience, CX, CXL, Essence, Leather, Preferred, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2010-2016, 2008 | 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
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Buick Water Pump Part Number: 12620226
$145.44 MSRP: $260.88
You Save: $115.44 (45%)
Product Specifications
- Other Name: Pump, Water; Pump, Engine Coolant
- Replaces: 24576952
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Water Pump Part Number: 12481997
Product Specifications
- Other Name: Pump Kit, Water; Water Pump Housing; Water Pump Assembly; Housing; Body; Pump; Pump, Engine Coolant
- Replaces: 12360448
Fits the following Buick Models:
- Century | 1984-1986 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
- Skylark | 1987-1991, 1984-1985 | Base, Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.5 L GAS
- Somerset | 1987 | Custom, Limited | 4 Cyl 2.5 L GAS
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Buick Water Pump Part Number: 12458922
Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 10174846, 12522034
Fits the following Buick Models:
- Commercial Chassis | 1991-1993 | Base | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Water Pump Part Number: 89018039
Product Specifications
- Other Name: Pump Kit, Water; Water Manifold; Pump Kit, Engine Coolant
- Replaces: 12569247, 12604750
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick Water Pump Part Number: 25201445
$178.59 MSRP: $320.34
You Save: $141.75 (45%)
Product Specifications
- Other Name: Water Pump Assembly
- Replaces: 25201243
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 2.5L L4, 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
View related parts
Buick Water Pump Part Number: 12566029
Product Specifications
- Other Name: Pump, Water; Oil Pump
Fits the following Buick Models:
- LaCrosse | 2005-2007 | CXS | 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
View related parts
Buick Water Pump Part Number: 12600767
Product Specifications
- Other Name: Pump, Water; Engine Water Pump; Water Pump Assembly
- Replaces: 12587305
Fits the following Buick Models:
- Rainier | 2007 | CXL | 8 Cyl 5.3 L GAS

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1-20 of 52 Results

Buick Water Pump

Choose OEM Water Pump, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Water Pump. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Water Pump maintains speed in the flow of coolant that avoids the accumulation of heat and protects all engine miles. Buick is among the old nameplates in America with a traditionalism and consistent development. Drivers like its silent passenger compartments, soft suspension bespoke, and the right amount of leather with technology. The badge has been providing cars that go over potholes but steer with sure confidence since 1903. New models introduce cut lighting, smartphone-like interfaces, and safety features but do not stuff dashboards with extras. The idea of Wildcat EV itself is an indicator that Buick is headed in the direction of clean power without sacrificing the sense of leisure. Individuals that place a high value on comfort and dislike flash to the brand since it is non-fussy. The seemingly long road journey seems to be shorter when the wind noise hardly makes a sound and the seats do not bruise the backs. The second Water Pump duty flows through under the hood, which is forced by a belt rotating an aluminum impeller through narrow coolant passages. The unit pulls the coolant out of the radiator and forces it through the block in order to strip combustion heat before metal parts become warped. Contemporary castings replace the heavy cast iron of the past with lighter alloys and some trims are driven by electricity in order to reduce parasitic drag. A good Water Pump prevents leaks, squeals, and the needle moving towards red on summer climbs.

Buick Water Pump Parts and Q&A

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.
Water Pump
12709178
Q: How to replace the water pump on Buick Enclave?
A:
Begin the process of replacing the Water Pump by utilizing the proper method to drain the cooling system. Begin by taking off the Drive Belt and then moving to the right engine strut mount and right engine mount strut bracket. With a Water Pump Pulley holding tool restore the Water Pump before removing all pulley bolts and taking off the pulley. Take out the Water Pump bolts and Water Pump unit from its location while discarding the worn seal. Clean every Water Pump surface thoroughly before putting on a fresh Water Pump seal and the Water Pump. Secure the Water Pump bolts with 10 nm (89 lb in), reinstall the Water Pump Pulley, and tighten its bolts to 10 nm (89 lb in) while using the en 46104 (Water Pump Pulley Holding Tool) retention fixture. Put back the right engine strut mount and right engine mount strut bracket and install the Drive Belt. Complete the cooling system through correct filling procedures.