How to test and replace relays in electrical system on Subaru Forester?

The fuel injection system, horns, starter, and fog lams along with many other features passing electricity in the vehicle come with relays. Relays work in such a way that a low current control circuit is used to open and close a high current power circuit. Malfunctioning relays will render a linked component useless and while most relays are in the engine box fuse and relay compartment, some are near the passenger box fuse that can only be seen after moving the knee bolster. If it is assumed that the relay is faulty then it can be pulled out forPossible tests or taken to a dealer service department because relay cannot be rebuilt and it has to be substituted. Relay that is commonly used in these vehicles is normally an NO relay. By tracing the schematic of the obtained apparatus and comparing it to the intended circuit, the correct connections for testing can be made. There are two terminals reading the relay control circuit and the other two joining the relay coil; the other two form the power circuit. When energized the coil creates a magnetic field heavy enough to close the extra large contacts of the power circuit supplying powers to the loads of the circuit. To inspect the relay that is normally open, it is necessary to make a measurement with the ohmmeter without connection and with connection of the terminals No. 3 and No. 4 to the power and the ground, respectively, with the check on the terminals No. 1 and No. 2. However, if the relay will not jump this test, then it will have to be replaced.

Genuine Subaru Forester Relay

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43 Relays found

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Subaru Forester Relay Assy
Part Number: 25230AA190
$14.02 MSRP: $20.32
You Save: $6.30 (31%)
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Product Specifications
- Other Name: Relay
- Manufacturer Note: ACVN51212 M01
- Replaces: 82501AG040, 82501AG041
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2021 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Limited, Premium, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
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Subaru Forester Relay Assembly
Part Number: 82501AE03A
$9.82 MSRP: $13.63
You Save: $3.81 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay; Horn Relay, Window Relay
- Replaces: 82501FC100
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2022 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Forester Sports, L, L.L.Bean, Limited, Premium, S, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 DOHC Turbo, 2.5L H4 SOHC, 2.5L H4 Turbo, 4 Cyl 2.5L
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Subaru Forester Accessory Power Relay
Part Number: 82501AL000
$2.96 MSRP: $4.12
You Save: $1.16 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Horn Relay; Relay Assembly
- Manufacturer Note: ACVN51212
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2014-2021 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Limited, Premium, Sport, Touring | 2.0L H4, 2.5L H4
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Subaru Forester Relay
Part Number: 82501FC100
$9.82 MSRP: $13.63
You Save: $3.81 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Manufacturer Note: DENSO 156700-1020
- Replaced by: 82501AE03A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2021 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Forester Sports, L, L.L.Bean, Limited, Premium, S, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 DOHC Turbo, 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Forester Air Pump Relay
Part Number: 25232AA090
$12.90 MSRP: $17.92
You Save: $5.02 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Fan Relay; Relay
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2016 Subaru Forester | 2.0XT Premium, 2.0XT Touring, Forester Sports, XT, XT Limited | 2.0L H4, 2.5L H4 DOHC Turbo, 2.5L H4 Turbo
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Subaru Forester Relay Assembly
Part Number: 82501AG08A
$14.12 MSRP: $20.47
You Save: $6.35 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay; Fan Relay, Horn Relay
- Manufacturer Note: DENSO
- Replaces: 82501AG080
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2025 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Limited, Premium, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC, 4 Cyl 2.5L, 4 Cyl 2.5L Hybrid
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Subaru Forester Relay Assembly
Part Number: 82501AG041
$14.02 MSRP: $20.32
You Save: $6.30 (31%)
ADD TO CART
Product Specifications
- Other Name: Relay; Window Relay
- Manufacturer Note: ACV31212 MO4
- Replaced by: 25230AA190
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011-2016 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, X, X Limited, X Premium, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo
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Subaru Forester Relay Assembly
Part Number: 82501TC000
$31.86 MSRP: $46.17
You Save: $14.31 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay; Daytime Running Light Relay
- Manufacturer Note: DENSO 156700-1700
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2021 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Forester Sports, L.L.Bean, Limited, Premium, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Forester Relay
Part Number: 82501AG040
$14.02 MSRP: $20.32
You Save: $6.30 (31%)
ADD TO CART
Product Specifications
- Manufacturer Note: ACV31212 MO4
- Replaced by: 25230AA190
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2011 Subaru Forester | X, X Limited, X Premium, XS, XT, XT Limited | 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
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Subaru Forester Breaker Power Window
Part Number: 85543AG000
$23.62 MSRP: $34.23
You Save: $10.61 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Breaker-Power Window
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2018 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
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Subaru Forester Unit&Relay
Part Number: 86111AJ001
$48.40 MSRP: $70.15
You Save: $21.75 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Turn & Hazard Unit; Flasher, Hazard Switch
- 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, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring | 2.0L H4, 2.5L H4
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Subaru Forester Relay
Part Number: 82501AA130
$24.31 MSRP: $35.23
You Save: $10.92 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Window Relay
- Replaces: 82501AA000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2008 Subaru Forester | Base, Forester Sports, L, L.L.Bean, S, X, XS, XT | 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Forester Relay Assembly
Part Number: 82501AG070
$20.15 MSRP: $29.20
You Save: $9.05 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay
- Manufacturer Note: ACV31212 M05
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2013 Subaru Forester | X, X Limited, X Premium, XS, XT, XT Limited | 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
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Subaru Forester Relay Assembly
Part Number: 25232AA020
$36.77 MSRP: $53.28
You Save: $16.51 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay; Relay Assembly Relay
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2002 Subaru Forester | Base, L, S | 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 SOHC
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Subaru Forester Relay
Part Number: 82501GA240
$36.09 MSRP: $52.30
You Save: $16.21 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly; AC Relay
- Manufacturer Note: DENSO 056700-5260
- Replaces: 782501081
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998-2008 Subaru Forester | Base, L, L.L.Bean, S, X, XS, XT | 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC (New EVAPO), 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Forester Relay
Part Number: 25232AA130
$28.97 MSRP: $41.98
You Save: $13.01 (31%)
Ships in 1 Business Day
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Product Specifications
- Replaces: 25232AA110
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2019-2021 Subaru Forester | Base, Limited, Premium, Sport, Touring
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Subaru Forester Relay Assembly
Part Number: 82501AG080
$14.12 MSRP: $20.47
You Save: $6.35 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay
- Manufacturer Note: DENSO 156700-2960
- Replaced by: 82501AG08A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2021 Subaru Forester | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Limited, Premium, Sport, Touring, X, X Limited, X Premium, XS, XT, XT Limited | 2.0L H4, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
View related parts
Subaru Forester Unit&Relay
Part Number: 86111AG001
$48.40 MSRP: $70.15
You Save: $21.75 (31%)
ADD TO CART
Product Specifications
- Other Name: Turn & Hazard Unit; Flasher
- Replaces: 86111AG000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2009-2013 Subaru Forester | X, X Limited, X Premium, XS, XT, XT Limited | 2.5L H4 DOHC, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC
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Subaru Forester Relay Bracket Assembly
Part Number: 25229AA050
$60.65 MSRP: $87.90
You Save: $27.25 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay & Bracket Assembly; Relay Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2005 Subaru Forester | L.L.Bean, X, XS, XT | 2.5L H4, 2.5L H4 Turbo
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Subaru Forester Relay Assembly
Part Number: 25230AA220
$7.15 MSRP: $9.93
You Save: $2.78 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Manufacturer Note: ACVN51212 M28
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Forester | Base, Limited, Premium, Sport, Touring

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1-20 of 43 Results

Subaru Forester Relay

Subaru Forester Relay is an electrical component that only allows the climate parts of the compact SUV to function with a low power signal. The Relay, located between the control modules and components like the fan or blower motor, switches on and off higher current when the A/C system or heater asks for it, ensuring expensive motors do not run when sensors do not approve. A Relay that fails stops its associated part immediately, meaning that Forester drivers may lose airflow and temperature control long before anything large burns out. During the manufacturing of Subaru, the model has effectively applied the standard electromechanical Relay featuring an internal electromagnet but in some later models also has versions that are solid-state, which perform the same duty without any moving contacts and magnetic latching versions that stay where switched during a brief power loss. Electromechanical Relay units click loudly and wear as contacts arc, while solid-state types do not click and resist vibration, and latching types eliminate draw in standby. In whichever configuration you discover beneath the Subaru bonnet, accurate diagnosis and prompt exchange of the small cube prevents the time-consuming substitution of larger climate hardware and maintains a comfy Forester cabin.

Our website stands as the go-to online destination for OEM Subaru Forester Relay. With complete lines of genuine Subaru Forester Relay 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 Relay Parts Questions & Experts Answers

Power Window Relay
85543FC010
Q:
How to test and replace relays in electrical system on Subaru Forester?
Posted by Robin G.
A:
The fuel injection system, Horns, starter, and fog lams along with many other features passing electricity in the vehicle come with relays. Relays work in such a way that a low current control circuit is used to open and close a high current power circuit. Malfunctioning relays will render a linked component useless and while most relays are in the engine box fuse and relay compartment, some are near the passenger box fuse that can only be seen after moving the knee bolster. If it is assumed that the relay is faulty then it can be pulled out forPossible tests or taken to a dealer service department because relay cannot be rebuilt and it has to be substituted. Relay that is commonly used in these vehicles is normally an NO relay. By tracing the schematic of the obtained apparatus and comparing it to the intended circuit, the correct connections for testing can be made. There are two terminals reading the relay control circuit and the other two joining the relay coil; the other two form the power circuit. When energized the coil creates a magnetic field heavy enough to close the extra large contacts of the power circuit supplying powers to the loads of the circuit. To inspect the relay that is normally open, it is necessary to make a measurement with the ohmmeter without connection and with connection of the terminals No. 3 and No. 4 to the power and the ground, respectively, with the check on the terminals No. 1 and No. 2. However, if the relay will not jump this test, then it will have to be replaced.
Answered by Subaru Parts Specialist Diego / Apr 08, 2025