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 K77-100509 is a vehicle-specific wheel bearing designed for compatible applications for 1999-2002 Hyundai, Kia Sonata, XG350, Magentis, Optima, XG300.

Key Features

• Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness
• TQ USA-engineered powdered metal gusher bearing design enables grease to flow through the bearing to the stud for reduced friction and enhanced strength and
• 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 link kit
• 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: 1999-2002 Hyundai, Kia Sonata, XG350, Magentis, Optima, XG300

• 2002 Hyundai Sonata — Note: 80mm Outer Diameter and To 1/03/02
• 2002 Hyundai XG350 — Note: 80mm Outer Diameter and To 1/03/02
• 2002 Kia Magentis — Note: 80mm Outer Diameter and To 1/03/02
• 2002 Kia Optima — Note: 80mm Outer Diameter and To 1/03/02
• 2001 Hyundai XG300
• 2001 Kia Magentis
• 2001 Kia Optima
• 1999-2001 Hyundai Sonata

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 K77-100509.

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 for Sonata
• Wheel Bearing for Hyundai Sonata
• K77-100509 fitment
• Transit Auto Wheel Bearing
• 1999 Hyundai Sonata Wheel Bearing

Vehicle Fitment Table