How to Replace a Water Pump on Subaru Forester?

To remove the water pump, drain the cooling system, disconnect the radiator, and bypass hose. Remove the cooling fans, drivebelt cover, drive belts, timing belt, tensioner, idler pulley, and left camshaft sprocket. Remove the rear timing belt cover, tensioner bracket, and camshaft sensor. Loosen the water pump bolts, remove the pump and gasket, and clean the engine surface. Compare the new and old pumps, apply sealant to the new gasket and pump, and install. Apply RTV sealant to bolt threads, position the pump and gasket, and tighten bolts.

Genuine Subaru Forester Water Pump

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10 Water Pumps found

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Subaru Forester Water Pump Assembly
Part Number: 21110AA690
$149.74 MSRP: $218.92
You Save: $69.18 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011-2018 Subaru Forester | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, X, X Limited, X Premium | 2.5L H4, 2.5L H4 DOHC
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Subaru Forester Water Pump Complete
Part Number: 21111AA240
$112.88 MSRP: $163.60
You Save: $50.72 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Manufacturer Note: OIL COOLER O
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2007 Subaru Forester | XT | 2.5L H4 Turbo
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Subaru Forester Water Pump
Part Number: 21111AA007
$83.61 MSRP: $121.17
You Save: $37.56 (31%)
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Product Specifications
- Other Name: Water Pump Complete
- Replaces: 21111AA001, 21111AA003, 21111AA004, 21111AA000, 21111AA002, 21111AA006, 21111AA005
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2005 Subaru Forester | Base, L, L.L.Bean, S, X, XS | 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 SOHC
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Subaru Forester Water Pump Complete
Part Number: 21111AA250
$105.34 MSRP: $152.67
You Save: $47.33 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Manufacturer Note: OIL COOLER X
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2013 Subaru Forester | Forester Sports, XT, XT Limited | 2.5L H4 DOHC Turbo, 2.5L H4 Turbo
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Subaru Forester Water Pump Complete
Part Number: 21111AA280
$132.50 MSRP: $192.03
You Save: $59.53 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2010 Subaru Forester | Forester Sports, L.L.Bean, X, X Limited, XS | 2.5L H4, 2.5L H4 SOHC
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Subaru Forester Water Pump Assembly
Part Number: 21110AA710
$123.98 MSRP: $179.68
You Save: $55.70 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2014-2018 Subaru Forester | 2.0XT Premium, 2.0XT Touring | 2.0L H4
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Subaru Forester Water Pump Complete
Part Number: 21111AA290
$124.83 MSRP: $180.92
You Save: $56.09 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Water Pump
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006 Subaru Forester | L.L.Bean, X, XS | 2.5L H4
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Subaru Forester Water Pump Complete
Part Number: 21111AA230
$114.62 MSRP: $166.12
You Save: $51.50 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Water Pump
- Replaces: 21110AA380
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2005 Subaru Forester | L.L.Bean, X, XS | 2.5L H4
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Subaru Forester Water Pump
Part Number: 21111AA006
$83.61 MSRP: $121.17
You Save: $37.56 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Pump Complete
- Replaced by: 21111AA007
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998 Subaru Forester | Base, L, S | 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO)
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Subaru Forester Pump Assembly Water
Part Number: 21110AA770
$116.45 MSRP: $168.77
You Save: $52.32 (31%)
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Product Specifications
- Other Name: Pump Ay Water
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2019-2021 Subaru Forester | Base, Limited, Premium, Sport, Touring

Subaru Forester Water Pump

The Subaru Forester Water Pump is one of those parts that plays an important role, and which supports the brand's reliability and the vehicle's performance. This component was designed for quick circulation of coolant around the walls of the engine's water jacket to manage its temperature given off as heat by the burning of fuel. It flows to this heater and then to the radiator thus guaranteeing maximum performance and durability of the engines. Designed to fit the models of Subaru Forester, the Water Pump contributes to the vehicle's improved performance and protection, belonging to the cooling system. Former versions of Subaru Water Pump have been made out of cast iron, but recent models tend to employ lightweight aluminum. First of all, there is the Subaru Forester Water Pump that is equipped both mechanically and electrically, and the electric ones have further improvements like a low parasitic loss and an individual flow depending on the temperature. It enables the optimal-ever installation plans and improved performance. The car of interest is the Subaru Forester with the powerful engine and the broad range of driver-assist features; it wins hearts in the compact SUV segment, but a quality Water Pump is rather crucial for its performance. The Subaru Forester Water Pump can be considered as among the market smart and quality components adding to the fact that the Forester continue to be among the favorites of many car drivers in the global market today due to its versatility, performance, and safety features.

Our website stands as the go-to online destination for OEM Subaru Forester Water Pump. With complete lines of genuine Subaru Forester Water Pump available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Forester Water Pump Parts Questions & Experts Answers

Water Pump Complete
21111AA250
Q: How to Replace a Water Pump on Subaru Forester?
A:
To remove the water pump, drain the cooling system, disconnect the radiator, and bypass hose. Remove the cooling fans, drivebelt cover, drive belts, timing belt, tensioner, idler pulley, and left camshaft sprocket. Remove the rear timing belt cover, tensioner bracket, and camshaft sensor. Loosen the water pump bolts, remove the pump and gasket, and clean the engine surface. Compare the new and old pumps, apply sealant to the new gasket and pump, and install. Apply RTV sealant to bolt threads, position the pump and gasket, and tighten bolts.