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 K77-101861 is a vehicle-specific wheel bearing designed for compatible applications for 2002-2006 Kia, Hyundai Optima, Sonata, XG350, Magentis.

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
• 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 ball joint

Vehicle Fitment

Fitment Position: Front

Fitment Summary: 2002-2006 Kia, Hyundai Optima, Sonata, XG350, Magentis

• 2006 Kia Optima — Fitment Precision: MS body code and with 2.4L and VIN 6
• 2006 Kia Optima — Fitment Precision: MS body code and with 2.7L and VIN 8
• 2003-2005 Hyundai Sonata
• 2003-2005 Hyundai XG350
• 2003-2005 Kia Magentis
• 2003-2005 Kia Optima
• 2002 Hyundai Sonata — Note: With 84mm Outer Diameter and From 1/04/02
• 2002 Hyundai XG350 — Note: With 84mm Outer Diameter and From 1/04/02
• 2002 Kia Magentis — Note: With 84mm Outer Diameter and From 1/04/02
• 2002 Kia Optima — Note: With 84mm Outer Diameter and From 1/04/02

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 K77-101861.

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 Optima
• Wheel Bearing for Kia Optima
• K77-101861 fitment
• Transit Auto Wheel Bearing
• 2002 Kia Optima Wheel Bearing

Vehicle Fitment Table