Genuine Subaru WRX Crankcase Breather Hose

Engine Crankcase Breather Hose

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9 Crankcase Breather Hoses found

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Subaru WRX PCV Hose Assembly
Part Number: 11815AB711
$41.96 MSRP: $60.82
You Save: $18.86 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: PCV Valve Hose; PCV Hose
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru WRX | Base, Limited | 2.5L H4 Turbo
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC410
$10.21 MSRP: $14.18
You Save: $3.97 (28%)
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Product Specifications
- Other Name: Hose Assembly-Pcv; PCV Valve
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2020 Subaru WRX | Base, Limited, Premium | 2.0L H4
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC900
$48.84 MSRP: $70.78
You Save: $21.94 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly-Pcv
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru WRX | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC810
$24.39 MSRP: $35.35
You Save: $10.96 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Pcv
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru WRX | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC800
$17.50 MSRP: $25.37
You Save: $7.87 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Pcv
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru WRX | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC820
$18.77 MSRP: $27.20
You Save: $8.43 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Pcv
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru WRX | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
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Subaru WRX PCV Hose Assembly
Part Number: 11815AC790
$48.84 MSRP: $70.78
You Save: $21.94 (31%)
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Pcv
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru WRX | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
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Subaru WRX HOSE ASSY-PCV
Part Number: 11815AD050
$31.92 MSRP: $46.27
You Save: $14.35 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2024 Subaru WRX | 4 Cyl 2.4L 6MT, 4 Cyl 2.4L CVT
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Subaru WRX HOSE ASSY-PCV
Part Number: 11815AD031
$33.14 MSRP: $48.03
You Save: $14.89 (31%)
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Product Specifications
- Replaces: 11815AD030
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2025 Subaru WRX | 4 Cyl 2.4L 6MT, 4 Cyl 2.4L CVT

Subaru WRX Crankcase Breather Hose

The Crankcase Breather Hose of the Subaru WRX allows crankcase gases to be drawn away to prevent internal pressure from building up and oil from leaking out. Crafted in compliance with manufacturer specifications, this Crankcase Breather Hose is capable of enduring high temperatures, fuel fumes, and the vibrations that intense WRX driving generates. As a result, owners experience steady power delivery and cleaner emissions. The Crankcase Breather Hose connects the crankcase to the PCV valve, which reintroduces blow-by gases to the intake for reburning and helps improve fuel economy, reduce emissions, and prevent sludge formation. The same simple Crankcase Breather Hose idea that works on the classic first-generation Subaru sedan or the modern VA chassis WRX or even the recent VB platform, with no complex retrofits required, will benefit all. The regular flow of air through the Crankcase Breather Hose prevents pressure spikes from pushing oil past seals, which reduces the likelihood of smoke or expensive leaks. This pressure control also keeps the turbo spool as responsive as can be, giving every WRX a sharper throttle feel and keeping oil from contaminating the catalytic converters, which also helps give the kind of sporty character Subaru owners expect. The engine bay configuration differs slightly between the 2002 bug-eye editions, the 2015 refreshes, and current models. One item that fits each location cleanly is the molded Crankcase Breather Hose. This is because of flexible rubber that resists collapse in configuration even after thousands of heat cycles. The drop-in design makes it easy for weekend Subaru enthusiasts to replace their old Crankcase Breather Hose in minutes, helping to balance vacuum and prevent high rpm pulls. With stringent factory testing behind it, this component maintains a durability standard that has helped Subaru conquer rally stages, daily commutes, and snowy backroads alike, while also providing peace of mind for every WRX driver. Select the Crankcase Breather Hose that your boosted boxer deserves and gain a small yet essential upgrade in line with Subaru engineering heritage. Each WRX generation benefits from smoother idling, stronger pulls, and lower emissions.

Our website stands as the go-to online destination for OEM Subaru WRX Crankcase Breather Hose. With complete lines of genuine Subaru WRX Crankcase Breather Hose 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.

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