How to test and replace the power brake booster on Subaru Impreza?

The power brake booster needs only regular checks of the vacuum hose and case. Test operation by pressing the brake pedal several times with the engine off, ensuring no change in pedal reserve distance. If the pedal lowers slightly when the engine is on, it's functioning correctly. Test air tightness by starting the engine, turning it off after a minute, then pressing the pedal slowly a few times. If the pedal lowers initially but rises after a few presses, the booster is airtight. If defective, replace the booster. Removal involves disconnecting the vacuum hose, removing the master cylinder, disconnecting the booster pushrod clevis, and removing the four booster-to-firewall nuts. Reverse these steps for installation, adjust the pushrod if needed, and bleed the brakes.

Genuine Subaru Impreza Brake Booster

Brake Power Booster

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20 Brake Boosters found

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Subaru Impreza PB001352 Vacuum Booster A
Part Number: 26402FJ010
$274.74 MSRP: $388.05
You Save: $113.31 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Vacuum Booster Assembly; Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2015 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Vacuum Booster Assembly C0U4
Part Number: 26402FG010
$316.20 MSRP: $446.62
You Save: $130.42 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Vacuum Booster Assembly; Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, 2.5i, Outback Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402SA070
$369.23 MSRP: $526.87
You Save: $157.64 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2004 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly LH
Part Number: 26402FJ110
$280.96 MSRP: $396.83
You Save: $115.87 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Booster Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FG060
$313.23 MSRP: $442.42
You Save: $129.19 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE420
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2007 Subaru Impreza | WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE400
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2007 Subaru Impreza | STI, STI Limited | 2.5L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA050
Product Specifications
- Replaced by: 26402FA051
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | LS | 1.8L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE360
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2007 Subaru Impreza | 25i, Outback, Outback Sport, RS | 2.5L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA051
Product Specifications
- Other Name: Brake Booster
- Replaces: 26402FA050, 26042FA051
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | L, LS, LX, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE230
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2003-2004 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE260
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2007 Subaru Impreza | 25i, Outback, Outback Sport | 2.5L H4
- 2003-2004 Subaru Impreza | Outback, RS, TS | 2.5L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA110
Product Specifications
- Other Name: Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2001 Subaru Impreza | Outback, RS | 2.2L H4 Series, 2.5L H4 SOHC
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE340
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA070
Product Specifications
- Replaced by: 26402FA071
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | Base, L, L+ | 1.8L H4
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FA071
Product Specifications
- Other Name: Brake Booster
- Replaces: 26402FA070
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-2001 Subaru Impreza | Base, Brighton, L, L+, LE, TS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE150
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2003 Subaru Impreza | Outback, RS, TS | 2.5L H4
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Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE290
Product Specifications
- Other Name: Booster Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004 Subaru Impreza | STI | 2.5L H4 Turbo
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Subaru Impreza Master Vacuum Assembly
Part Number: 26402AA111
Product Specifications
- Other Name: Vacuum Booster Assembly; Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993 Subaru Impreza | Base, L, L+ | 1.8L H4
View related parts
Subaru Impreza Vacuum Booster Assembly
Part Number: 26402FE130
Product Specifications
- Other Name: Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2003 Subaru Impreza | WRX | 2.0L H4 Turbo

Subaru Impreza Brake Booster

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Subaru Impreza Brake Booster Parts Questions & Experts Answers

Vacuum Booster Assembly C0U4
26402FG010
Q: How to test and replace the power brake booster on Subaru Impreza?
A: The power brake booster needs only regular checks of the vacuum hose and case. Test operation by pressing the brake pedal several times with the engine off, ensuring no change in pedal reserve distance. If the pedal lowers slightly when the engine is on, it's functioning correctly. Test air tightness by starting the engine, turning it off after a minute, then pressing the pedal slowly a few times. If the pedal lowers initially but rises after a few presses, the booster is airtight. If defective, replace the booster. Removal involves disconnecting the vacuum hose, removing the master cylinder, disconnecting the booster pushrod clevis, and removing the four booster-to-firewall nuts. Reverse these steps for installation, adjust the pushrod if needed, and bleed the brakes.