# Unity Automotive 78A-15400 Rear Suspension Strut Coil Spring Assembly for 2006-2010 Ford Explorer, Mercury Mountaineer

### Performance Overview

The Unity Automotive 78A-15400 Suspension Strut Coil Spring Assembly is designed as a direct replacement part for compatible Ford Explorer, Mercury Mountaineer applications. It is built to support reliable performance, proper fitment, and straightforward installation when replacing a worn or damaged component.

**Installation Position:** Rear

### 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

### Interchange Numbers

**Interchange / Cross Reference Part Numbers:** 1345540, G57096, 811331, SR4141, MP1345540, 171125, 181125, 90101481X, 813390, V171125, 15400, W1345540

Please compare these interchange numbers with your original part number and confirm vehicle compatibility before ordering.

### Vehicle Fitment

Review the vehicle fitment list below to confirm this part matches your vehicle before purchase.

-   2006 Ford Explorer
-   2007 Ford Explorer
-   2008 Ford Explorer
-   2009 Ford Explorer
-   2010 Ford Explorer
-   2006 Mercury Mountaineer
-   2007 Mercury Mountaineer
-   2008 Mercury Mountaineer
-   2009 Mercury Mountaineer
-   2010 Mercury Mountaineer

### Vehicle Fitment Table

   

Year

Make

Model

Position

2006

Ford

Explorer

Rear

2007

Ford

Explorer

Rear

2008

Ford

Explorer

Rear

2009

Ford

Explorer

Rear

2010

Ford

Explorer

Rear

2006

Mercury

Mountaineer

Rear

2007

Mercury

Mountaineer

Rear

2008

Mercury

Mountaineer

Rear

2009

Mercury

Mountaineer

Rear

2010

Mercury

Mountaineer

Rear

### FAQ

**Will this fit a 2006 Ford Explorer?**  
Yes, this Suspension Strut Coil Spring Assembly fits the vehicles listed in the Vehicle Fitment section above. Please confirm the year, make, model, and position before ordering.

**What position does this part fit?**  
This part is listed for the Rear position on compatible vehicles.

**Can I use the interchange numbers to confirm compatibility?**  
Yes. Compare the interchange or cross-reference numbers shown above with your original part number, then verify the vehicle fitment before ordering.

**Is professional installation recommended?**  
Professional installation is recommended to help ensure proper fit, safe operation, and correct system performance.

### Common Searches

-   Suspension Strut Coil Spring Assembly for Ford Explorer, Mercury Mountaineer
-   Rear Suspension Strut Coil Spring Assembly for 2006 Ford Explorer
-   Unity Automotive 78A-15400 Suspension Strut Coil Spring Assembly
-   replacement 78A-15400 Suspension Strut Coil Spring Assembly
-   2006-2010 Ford Explorer, Mercury Mountaineer Suspension Strut Coil Spring Assembly

## Details

- **Price:** 166.5 CAD
- **Vendor:** Unity Automotive
- **Type:** Suspension Strut Coil Spring Assembly
- **Tags:** 1345540, 15400, 171125, 181125, 2006 Ford Explorer, 2006 Mercury Mountaineer, 2006-2010 Ford Explorer, 2006-2010 Mercury Mountaineer, 2007 Ford Explorer, 2007 Mercury Mountaineer, 2008 Ford Explorer, 2008 Mercury Mountaineer, 2009 Ford Explorer, 2009 Mercury Mountaineer, 2010 Ford Explorer, 2010 Mercury Mountaineer, 78A-15400, 811331, 813390, 90101481X, AI Readable Fitment, coil, Ford Explorer, G57096, Mercury Mountaineer, Mercury Mountaineer Suspension Strut Coil Spring Assembly, MP1345540, Rear, Rear Suspension Strut Coil Spring Assembly for 2006 Ford Explorer, replacement 78A-15400 Suspension Strut Coil Spring Assembly, replacement auto part, spring, SR4141, strut, Suspension, Suspension Strut Coil Spring Assembly, Suspension Strut Coil Spring Assembly fitment, Suspension Strut Coil Spring Assembly for Ford Explorer, Unity Automotive, Unity Automotive 78A-15400 Suspension Strut Coil Spring Assembly, Unity Automotive Suspension Strut Coil Spring Assembly, V171125, vehicle fitment, W1345540

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 166.50 CAD | In stock |

## Images

- Unity Automotive_Suspension Strut Coil Spring Assembly_78A-15400

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/rear-suspension-strut-coil-spring-assembly-for-ford-explorer-mercury-mountaineer)
> Updated: 2026-06-02