Subaru OEM Lower PCV Tree Hose | 99071AD140

Overview

The Genuine Subaru OEM Lower PCV Tree Hose (Part #99071AD140) is an exact-fit replacement hose designed for the Subaru turbocharged models listed in the Fitment & Compatibility section below. As part of the positive crankcase ventilation (PCV) system, this hose routes blow-by gases from the crankcase back into the intake, ensuring proper emissions control and engine health. Choosing a Genuine Subaru OEM part guarantees factory-correct dimensions, materials, and performance — no trimming, adapting, or guesswork required.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to Subaru's exact factory specifications for guaranteed fit and long-term reliability.
• Exact-Fit Replacement — Engineered specifically for the models listed in the Fitment & Compatibility section below, eliminating compatibility concerns common with aftermarket alternatives.
• Factory-Grade Materials — Constructed from durable rubber compounds rated for the heat and pressure demands of a turbocharged PCV system.
• Emissions System Integrity — Maintains proper crankcase pressure management and prevents oil contamination in the intake tract.
• Backed by Subaru's Factory Warranty — Covered under Subaru's genuine parts warranty for added peace of mind.

What's Included

• 1x Genuine Subaru Lower PCV Tree Hose — Part #99071AD140

Specifications

Fitment & Compatibility

This hose is designed exclusively for the following Subaru vehicles equipped with the turbocharged EJ255 engine:

2009-2010 Subaru Forester XT

2009 Subaru Impreza

2007 Subaru Legacy GT

2009 Subaru Legacy GT

2007 Subaru Outback

2009 Subaru Outback

2009 Subaru Outback XT

2008-2009 Subaru WRX

Note: Verify your specific trim and engine code before ordering. This part is intended for turbocharged applications only and is not compatible with naturally aspirated models.

Installation

The Lower PCV Tree Hose is a straightforward hose replacement on the EJ255 engine. Most experienced DIYers can complete the swap with basic hand tools by accessing the hose connections on the PCV tree assembly. Inspect surrounding hoses and clamps for wear while the area is open. Professional installation is recommended if you are unfamiliar with turbocharged PCV system routing. Always replace with engine at operating temperature to ease hose removal, and ensure all clamps are properly seated after installation.