# Westar ST-9901 Lower Coil Spring Insulator for 2006-2011 Buick Lucerne 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 Lower 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-9901

UPC: 656591299011

Alternate MPN: ST9901

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006

Buick

Lucerne

Front

2007

Buick

Lucerne

Front

2008

Buick

Lucerne

Front

2009

Buick

Lucerne

Front

2010

Buick

Lucerne

Front

2011

Buick

Lucerne

Front

2006

Cadillac

DTS

Front

2007

Cadillac

DTS

Front

2008

Cadillac

DTS

Front

2009

Cadillac

DTS

Front

2010

Cadillac

DTS

Front

2011

Cadillac

DTS

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-9901.

**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

-   Lower Coil Spring Insulator for Buick Lucerne
-   ST-9901 fitment
-   Westar Lower Coil Spring Insulator
-   Front Lower Coil Spring Insulator
-   2006 Buick Lucerne Lower Coil Spring Insulator

## Details

- **Price:** 19.65 CAD
- **Vendor:** Westar
- **Type:** Lower Coil Spring Insulator
- **Tags:** 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, Automotive, Front, Lower Coil Spring Insulator, ST-9901, Westar

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 19.65 CAD | In stock |

## Images

- Westar ST-9901 Lower Coil Spring Insulator for 2006-2011 Buick Lucerne Front

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/westar-st-9901-lower-coil-spring-insulator)
> Updated: 2026-09-25