# Transit Auto K78A-100180 Front Suspension Strut and Coil Spring Assembly for 2012-2015 Hyundai Sonata, Kia Optima

### 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-100180 is a vehicle-specific suspension strut and coil spring assembly designed for compatible applications for 2012-2015 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:** 2012-2015 Hyundai, Kia Sonata, Optima

**Position:** Front

-   2013-2014 Hyundai Sonata — Position: Front; Fitment Precision: GAS engine; Note: With Sport Suspension
-   2013-2015 Kia Optima — Position: Front; Fitment Precision: GAS engine; Note: Vehicles Manufactured In USA
-   2012 Hyundai Sonata — Position: Front; Fitment Precision: 2.0L; Note: From 11/29/11
-   2012 Hyundai Sonata — Position: Front; Fitment Precision: 2.4L and with GAS engine; Note: With Sport Suspension and From 11/29/11
-   2012 Kia Optima — Position: Front; Fitment Precision: GAS engine; Note: With Sport Suspension and From 11/29/11 and Vehicles Manufactured In USA

### 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-100180.

**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

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-   Front Suspension Strut and Coil Spring Assembly
-   2012 Hyundai Sonata Suspension Strut and Coil Spring Assembly

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2013

Hyundai

Sonata

Front

GAS engine

With Sport Suspension

2014

Hyundai

Sonata

Front

GAS engine

With Sport Suspension

2013

Kia

Optima

Front

GAS engine

Vehicles Manufactured In USA

2014

Kia

Optima

Front

GAS engine

Vehicles Manufactured In USA

2015

Kia

Optima

Front

GAS engine

Vehicles Manufactured In USA

2012

Hyundai

Sonata

Front

2.0L

From 11/29/11

2012

Hyundai

Sonata

Front

2.4L and with GAS engine

With Sport Suspension and From 11/29/11

2012

Kia

Optima

Front

GAS engine

With Sport Suspension and From 11/29/11 and Vehicles Manufactured In USA

## Details

- **Price:** 380.37 CAD
- **Vendor:** Transit Auto
- **Type:** Suspension Strut and Coil Spring Assembly
- **Tags:** 2012 Hyundai Sonata, 2012 Kia Optima, 2013 Hyundai Sonata, 2013 Kia Optima, 2013-2014-hyundai-sonata-suspension-strut-and-coil-spring-assembly-front-gas-engine-with-sport-suspension-esi4507974, 2014 Hyundai Sonata, 2014 Kia Optima, 2015 Kia Optima, Automotive Parts, Daily Driver, Direct Replacement, Front, K78A-100180, Suspension Strut and Coil Spring Assembly, Suspension Strut Coil Spring Assembly Kit, Transit Auto, Transit Auto K78A-100180, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 380.37 CAD | In stock |

## Images

- Transit Auto K78A-100180 Suspension Strut and Coil Spring Assembly for 2012-2015 Hyundai Sonata, Kia Optima - Front product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k78a-100180-suspension-strut-and-coil-spring-assembly-for-2012-2015-hyundai-sonata-kia-optima-front-k78a-100180)
> Updated: 2026-07-15