Subaru OEM Lock Washer Subaru WRX 2002-2003 | 34112AA000

Product Fitment:

2003-2006 Subaru Baja
1998-2002 Subaru Forester
1993, 1995-2003 Subaru Impreza
1990-2004 Subaru Legacy
1996-1998, 2000-2004 Subaru Legacy GT
1990 Subaru Loyale
1996-2004 Subaru Outback
2002-2003 Subaru WRX

Overview

The Genuine Subaru OEM Lock Washer (Part #34112AA000) is an authentic factory replacement fastener designed to maintain secure, vibration-resistant connections in your Subaru's drivetrain and mechanical assemblies. Sourced directly from Subaru's original equipment supplier, this lock washer ensures an exact OEM fit and meets the same strict tolerances as the hardware installed at the factory. It is the ideal choice for owners and technicians who refuse to compromise on quality during service or repair.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to factory specifications, ensuring perfect fitment and function with no guesswork or modification required.
• Vibration Resistance – Lock washer design prevents fastener loosening under the vibration and stress typical of daily driving and performance use.
• Exact-Fit Guarantee – Engineered specifically for Subaru applications; eliminates the risk of improper sizing or material mismatch associated with generic hardware.
• OEM Material Standards – Manufactured from high-quality steel meeting Subaru's durability and corrosion-resistance requirements.
• Factory Warranty Backed – As a genuine Subaru OEM component, this part is covered under Subaru's standard parts warranty when installed by an authorized technician.

What's Included

• 1 × Genuine Subaru Lock Washer (Part #34112AA000)

Specifications

Installation

Installation of this lock washer will depend on the specific assembly being serviced (differential, transmission, suspension, drivetrain, etc.). This is a bolt-on OEM hardware component intended to replace existing fasteners during disassembly and reassembly of the relevant system. For best results, follow the torque specifications outlined in the official Subaru service manual for your model year. Professional installation by a certified Subaru technician is recommended if you are unfamiliar with the specific repair procedure.