Subaru OEM PCV Valve Hose Subaru Crosstrek 2018-2023 / Impreza 2017-2023 | 99081AA450

Overview

The Genuine Subaru OEM Vacuum Hose (Part #99081AA450) is a factory-replacement hose designed to maintain precise vacuum pressure in your Subaru's engine and emissions systems. Engineered to exact OEM specifications, this hose ensures a perfect fit and reliable performance for the 2018-2023 Subaru Crosstrek and 2017-2023 Subaru Impreza models listed in the Product Fitment section below. Choosing a genuine OEM part guarantees the same quality and durability as the component originally installed at the factory.

Key Features & Benefits

• Genuine Subaru OEM Part — Manufactured to factory specifications for guaranteed fit, form, and function with no modifications required.
• Exact-Fit Design — Precisely engineered to match the original vacuum hose dimensions, eliminating the risk of vacuum leaks that can trigger check engine lights or reduce engine efficiency.
• High-Quality Materials — Constructed from durable rubber/silicone compound rated to withstand engine heat, pressure fluctuations, and exposure to engine fluids over the long term.
• Maintains Emissions & Engine Integrity — Keeps your vacuum system operating correctly, supporting proper fuel trim, idle quality, and emissions compliance.
• Factory Warranty Coverage — Backed by Subaru's genuine parts warranty, providing peace of mind with every purchase.
• Direct Replacement — Replaces worn, cracked, or deteriorated OEM vacuum hose to restore factory performance and prevent vacuum-related issues.

What's Included

• 1 × Genuine Subaru Vacuum Hose (Part #99081AA450)

Specifications

Fitment & Compatibility

This Genuine Subaru OEM vacuum hose is compatible with the following vehicles:

Product Fitment

• 2018-2023 Subaru Crosstrek
• 2017-2023 Subaru Impreza

Please verify fitment for your specific year, model, and trim level using your VIN before ordering.

Installation

This vacuum hose is designed as a direct OEM replacement and can typically be installed with basic hand tools. Ensure all connections are tight and properly seated to maintain vacuum integrity, then confirm operation after installation.