Subaru OEM PCV Valve Hose Ascent 2022-2027 / Legacy / Outback 2022-2025 | 11815AC88E

Overview

The Genuine Subaru OEM PCV Hose Assembly (Part #11815AC88E) is an exact-fit factory replacement for your Subaru's positive crankcase ventilation system. Designed and manufactured to original equipment specifications, this hose assembly ensures proper crankcase pressure regulation, helping maintain engine efficiency, reduce emissions, and protect your engine from oil contamination. If your current PCV hose is cracked, brittle, or leaking, replacing it with a genuine Subaru part guarantees the same performance and fit as the day your vehicle left the factory.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to exact factory specifications for guaranteed fit, form, and function — no modifications required.
• Exact Part Number Match – Subaru part number 11815AC88E eliminates guesswork and ensures you receive the correct replacement component.
• Premium OEM Materials – Constructed from durable, heat- and oil-resistant materials that meet Subaru's stringent quality standards for long-term reliability.
• Maintains Proper Crankcase Ventilation – Restores optimal PCV system function, preventing harmful crankcase pressure buildup that can lead to oil leaks and engine damage.
• Reduces Emissions – A functioning PCV hose keeps harmful blow-by gases recirculating properly through the intake system, supporting emissions compliance.
• Factory Warranty Coverage – Backed by Subaru's genuine parts warranty for added peace of mind.
• Direct Bolt-On Replacement – Designed for straightforward installation with no cutting, splicing, or adapters needed.

What's Included

• 1x Genuine Subaru PCV Hose Assembly (Part #11815AC88E)

Specifications

Fitment & Compatibility

2022-2027 Subaru Ascent

2022-2025 Subaru Legacy

2022-2025 Subaru Outback

Installation

This PCV hose assembly is designed as a direct bolt-on replacement with no modification required. Installation is straightforward for a competent DIYer with basic hand tools; however, if you are unfamiliar with your Subaru's engine bay layout or PCV system components, professional installation by a qualified Subaru technician is recommended to ensure correct routing and secure connections.

Frequently Asked Questions

Is this a genuine Subaru OEM part? Yes. This is a 100% genuine Subaru OEM component — not an aftermarket reproduction. It carries part number 11815AC88E and is backed by Subaru's genuine parts warranty.

How do I know this part fits my vehicle? Use your vehicle's VIN to confirm compatibility. This part number (11815AC88E) is a Subaru OEM designation — matching it to your VIN or consulting the Subaru parts catalog is the most reliable way to verify fitment.

Why should I replace my PCV hose? A cracked or deteriorated PCV hose can cause oil leaks, rough idle, increased emissions, and long-term engine damage. Replacing it with a genuine Subaru OEM part restores proper crankcase ventilation and protects your engine.