# Westar ST-9943 Upper Coil Spring Insulator for 2004-2015 Lexus RX 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-9943

UPC: 656591299431

Alternate MPN: ST9943

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Lexus

RX

Front

2005

Lexus

RX

Front

2006

Lexus

RX

Front

2007

Lexus

RX

Front

2008

Lexus

RX

Front

2009

Lexus

RX

Front

2010

Lexus

RX

Front

2011

Lexus

RX

Front

2012

Lexus

RX

Front

2013

Lexus

RX

Front

2014

Lexus

RX

Front

2015

Lexus

RX

Front

2004

Toyota

Highlander

Front

2005

Toyota

Highlander

Front

2006

Toyota

Highlander

Front

2007

Toyota

Highlander

Front

2008

Toyota

Highlander

Front

2009

Toyota

Highlander

Front

2010

Toyota

Highlander

Front

2011

Toyota

Highlander

Front

2012

Toyota

Highlander

Front

2013

Toyota

Highlander

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-9943.

**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 RX
-   ST-9943 fitment
-   Westar Upper Coil Spring Insulator
-   Front Upper Coil Spring Insulator
-   2004 Lexus RX Upper Coil Spring Insulator

## Details

- **Price:** 18.98 CAD
- **Vendor:** Westar
- **Type:** Upper Coil Spring Insulator
- **Tags:** 2004-2013 Toyota Highlander, 2004-2015 Lexus RX, Automotive, Front, ST-9943, Upper Coil Spring Insulator, Westar

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18.98 CAD | In stock |

## Images

- Westar ST-9943 Upper Coil Spring Insulator for 2004-2015 Lexus RX Front

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/westar-st-9943-upper-coil-spring-insulator)
> Updated: 2026-09-25