# Transit Auto K78A-100503 Front and Rear Suspension Strut and Coil Spring Assembly for 2004-2008 Acura TSX

### 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-100503 is a vehicle-specific suspension strut and coil spring assembly designed for compatible applications for 2004-2008 Acura TSX.

### 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 and Rear

**Fitment Summary:** 2004-2008 Acura TSX

**Position:** Front and Rear

-   2004-2008 Acura TSX — Position: Front and Rear

### 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-100503.

**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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-   K78A-100503 fitment
-   Transit Auto Suspension Strut and Coil Spring Assembly
-   Front and Rear Suspension Strut and Coil Spring Assembly
-   2004 Acura TSX Suspension Strut and Coil Spring Assembly

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Acura

TSX

Front and Rear

2005

Acura

TSX

Front and Rear

2006

Acura

TSX

Front and Rear

2007

Acura

TSX

Front and Rear

2008

Acura

TSX

Front and Rear

## Details

- **Price:** 699.41 CAD
- **Vendor:** Transit Auto
- **Type:** Suspension Strut and Coil Spring Assembly
- **Tags:** 2004 Acura TSX, 2005 Acura TSX, 2006 Acura TSX, 2007 Acura TSX, 2008 Acura TSX, Automotive Parts, Daily Driver, Direct Replacement, Front and Rear, K78A-100503, Suspension Strut and Coil Spring Assembly, Suspension Strut Coil Spring Assembly Kit, Transit Auto, Transit Auto K78A-100503, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 699.41 CAD | In stock |

## Images

- Transit Auto K78A-100503 Suspension Strut and Coil Spring Assembly for 2004-2008 Acura TSX - Front and Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k78a-100503-suspension-strut-and-coil-spring-assembly-for-2004-2008-acura-tsx-front-and-rear-k78a-100503)
> Updated: 2026-07-15