# Transit Auto K78M-100421 Front and Rear Suspension Strut and Coil Spring Assembly for 2006-2011 Chevrolet Impala

### 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 K78M-100421 is a vehicle-specific suspension strut and coil spring assembly designed for compatible applications for 2006-2011 Chevrolet Impala.

### Key Features

-   Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
-   Precision engineered with G-Force technology for the ultimate in safety and performance
-   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
-   Working tube made of SteelPro™ alloy steel to provide superior strength, toughness and impact resistance while maintaining unmatched ductility
-   Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile

### Vehicle Fitment

**Fitment Position:** Front and Rear

**Fitment Summary:** 2006-2011 Chevrolet Impala

**Position:** Front and Rear

-   2010-2011 Chevrolet Impala — Position: Front and Rear; Fitment Precision: LTZ; Note: Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels
-   2006-2009 Chevrolet Impala — Position: Front and Rear; Fitment Precision: LTZ/SS; Note: Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

### 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 K78M-100421.

**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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### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2010

Chevrolet

Impala

Front and Rear

LTZ

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

2011

Chevrolet

Impala

Front and Rear

LTZ

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

2006

Chevrolet

Impala

Front and Rear

LTZ/SS

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

2007

Chevrolet

Impala

Front and Rear

LTZ/SS

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

2008

Chevrolet

Impala

Front and Rear

LTZ/SS

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

2009

Chevrolet

Impala

Front and Rear

LTZ/SS

Without Police or Taxi Package and With 18" Factory Wheels and With 17" Factory Wheels

## Details

- **Price:** 539.57 CAD
- **Vendor:** Transit Auto
- **Type:** Suspension Strut and Coil Spring Assembly
- **Tags:** 2006 Chevrolet Impala, 2007 Chevrolet Impala, 2008 Chevrolet Impala, 2009 Chevrolet Impala, 2010 Chevrolet Impala, 2010-2011-chevrolet-impala-suspension-strut-and-coil-spring-assembly-front-and-rear-ltz-without-police-or-taxi-package-and-with-18--factory-wheels-and-with-17--factory-wheels-esi3814964, 2011 Chevrolet Impala, Automotive Parts, Daily Driver, Direct Replacement, Front and Rear, K78M-100421, Suspension Strut and Coil Spring Assembly, Suspension Strut Coil Spring Assembly Kit, Transit Auto, Transit Auto K78M-100421, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 539.57 CAD | In stock |

## Images

- Transit Auto K78M-100421 Suspension Strut and Coil Spring Assembly for 2006-2011 Chevrolet Impala - Front and Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k78m-100421-suspension-strut-and-coil-spring-assembly-for-2006-2011-chevrolet-impala-front-and-rear-k78m-100421)
> Updated: 2026-07-15