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 K78A-100365 is a vehicle-specific suspension strut and coil spring assembly designed for compatible applications for 2011-2012 Hyundai, Kia Sonata, Optima.

Key Features

• Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
• Precisely calibrated to meet the OE design, each application-specific coil spring type is engineered to restore ride height and support the vehicle's weight
• Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile
• Preassembled upper strut mount, coil spring, and strut feature an OE-style design for seamless fit, form, and function
• Manufactured with high-quality steel, featuring a superior tube and weld design to deliver structural integrity and durability

Vehicle Fitment

Fitment Position: Front

Fitment Summary: 2011-2012 Hyundai, Kia Sonata, Optima

Position: Front

• 2012 Hyundai Sonata — Position: Front; Fitment Precision: 2.0L; Note: To 11/29/11
• 2012 Hyundai Sonata — Position: Front; Fitment Precision: 2.4L and with GAS engine; Note: With Sport Suspension and To 11/29/11
• 2012 Kia Optima — Position: Front; Fitment Precision: GAS engine; Note: With Sport Suspension and To 11/29/11 and Vehicles Manufactured In Korea
• 2011 Hyundai Sonata — Position: Front; Fitment Precision: 2.0L; Note: From 06/01/11
• 2011 Hyundai Sonata — Position: Front; Fitment Precision: 2.4L and with GAS engine; Note: With Sport Suspension and From 06/01/11
• 2011 Kia Optima — Position: Front; Note: With Sport Suspension and Vehicles Manufactured In Korea

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 K78A-100365.

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

• Suspension Strut and Coil Spring Assembly for Sonata
• Suspension Strut and Coil Spring Assembly for Hyundai Sonata
• K78A-100365 fitment
• Transit Auto Suspension Strut and Coil Spring Assembly
• Front Suspension Strut and Coil Spring Assembly
• 2011 Hyundai Sonata Suspension Strut and Coil Spring Assembly

Vehicle Fitment Table