Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto K77-100137 is a vehicle-specific wheel bearing and hub assembly designed for compatible applications for 2004-2023 Subaru Legacy, Outback, Ascent, Forester, WRX, Impreza, WRX STI, B9.

Key Features

• Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness
• TQ powdered metal gusher bearing design enables grease to flow through the stud for reduced friction and enhanced strength and stability
• Premium quality MolyPro™ NLGI Grade 2 Molybdenum Grease (MoS2) to minimize wear and reduce friction providing longer lasting performance
• Premium cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life for the ball joint
• Exclusive multi-lip seals are made with ProSeal™ Nitrile Rubber (NBR) which can successfully function at high delta of temperatures while retaining its

Vehicle Fitment

Fitment Position: Front

Fitment Summary: 2004-2023 Subaru Legacy, Outback, Ascent, Forester, WRX, Impreza, WRX STI, B9 Tribeca

• 2020-2023 Subaru Legacy
• 2020-2023 Subaru Outback
• 2019-2023 Subaru Ascent
• 2019-2023 Subaru Forester
• 2015-2021 Subaru WRX
• 2014 Subaru Impreza — Fitment Precision: WRX STI
• 2013 Subaru Impreza — Fitment Precision: WRX STI/WRX STI Limited
• 2013-2021 Subaru WRX STI
• 2008-2012 Subaru Impreza — Fitment Precision: WRX STI
• 2007 Subaru Impreza — Fitment Precision: WRX STI/WRX STI Limited

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

What part number is this?
The listed part number is K77-100137.

Is this product designed for direct replacement?
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

Common Searches

• Wheel Bearing and Hub Assembly for Legacy
• Wheel Bearing and Hub Assembly for Subaru Legacy
• K77-100137 fitment
• Transit Auto Wheel Bearing and Hub Assembly
• 2004 Subaru Legacy Wheel Bearing and Hub Assembly

Vehicle Fitment Table