# Westar ST-9931 Upper Coil Spring Insulator for 2005-2015 Lexus HS Front

### Features

-   Built to last from the best rubber
-   Designed to fit exactly as OEM mount fit
-   Coverage for most makes and models

### Product Details

Front Upper Coil Spring Insulator by Westar®. Quantity: 1 per Pack. Westar is a widely recognized manufacturer and exporter of rubber to metal bonded parts for all types of trucks and automobiles. Every single product goes through countless quality check, producing real-time pressure on components to ensure machine endurance, performance and absence of factory defects.

Brand: Westar

Part Number: ST-9931

UPC: 656591299318

Alternate MPN: ST9931

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2010

Lexus

HS

Front

2011

Lexus

HS

Front

2012

Lexus

HS

Front

2005

Scion

tC

Front

2006

Scion

tC

Front

2007

Scion

tC

Front

2008

Scion

tC

Front

2009

Scion

tC

Front

2010

Scion

tC

Front

2010

Toyota

Prius

Front

2011

Toyota

Prius

Front

2012

Toyota

Prius

Front

2013

Toyota

Prius

Front

2014

Toyota

Prius

Front

2015

Toyota

Prius

Front

2009

Toyota

RAV4

Front

2010

Toyota

RAV4

Front

2011

Toyota

RAV4

Front

2012

Toyota

RAV4

Front

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is ST-9931.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Upper Coil Spring Insulator for Lexus HS
-   ST-9931 fitment
-   Westar Upper Coil Spring Insulator
-   Front Upper Coil Spring Insulator
-   2010 Lexus HS Upper Coil Spring Insulator

## Details

- **Price:** 18.96 CAD
- **Vendor:** Westar
- **Type:** Upper Coil Spring Insulator
- **Tags:** 2005-2010 Scion tC, 2009-2012 Toyota RAV4, 2010-2012 Lexus HS, 2010-2015 Toyota Prius, Automotive, Front, ST-9931, Upper Coil Spring Insulator, Westar

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18.96 CAD | In stock |

## Images

- Westar ST-9931 Upper Coil Spring Insulator for 2005-2015 Lexus HS Front

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/westar-st-9931-upper-coil-spring-insulator)
> Updated: 2026-09-25