Subaru OEM 4AT Filter Inlet Subaru WRX 2002-2005 | 31946AA030

Fitment

• 2003–2006 Subaru Baja
• 1999–2004 Subaru Forester
• 1999–2005 Subaru Impreza
• 1999–2004 Subaru Legacy
• 1999–2004 Subaru Legacy GT
• 1999–2005 Subaru Outback
• 2002–2005 Subaru WRX

Overview

The Genuine Subaru OEM 4AT Filter Inlet (Part #31946AA030) is a factory-original transmission filter inlet designed for Subaru vehicles equipped with a 4-speed automatic transmission. This exact-fit OEM component ensures proper automatic transmission fluid flow and filtration, maintaining the performance and longevity of your Subaru's transmission system. Choosing a Genuine Subaru part guarantees compatibility, quality, and peace of mind that no aftermarket substitute can match.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to Subaru's exact factory specifications, ensuring a perfect fit and reliable performance every time.
• Exact-Fit Guarantee – Engineered specifically for Subaru 4-speed automatic transmissions; no modification or adaptation required.
• Optimized Fluid Flow – Maintains proper ATF flow to the transmission filter, protecting internal components from wear and contamination.
• Factory Warranty Coverage – As a Genuine Subaru OEM part, it is backed by Subaru's factory warranty when installed by an authorized dealer.
• Long-Term Reliability – Built with the same materials and tolerances as the original component, ensuring durability over the life of your transmission.
• Direct OEM Replacement – Ideal for routine transmission service or replacing a damaged inlet, restoring your transmission to factory condition.

What's Included

• 1x Genuine Subaru OEM 4AT Filter Inlet (Part #31946AA030)

Specifications

Installation

This filter inlet is typically replaced during automatic transmission service or when inspecting the transmission filter assembly. Installation requires draining the transmission fluid and accessing the transmission pan. Professional installation by a qualified Subaru technician or transmission specialist is recommended to ensure proper torque specifications and fluid fill procedures are followed.