What vehicles does this Coil Spring Insulator fit?

This Westar Coil Spring Insulator (front) (Part #ST-9901) fits specific vehicle applications. Compatible vehicles include 2006-2011 Buick, Cadillac (18 applications). Use the compatibility checker above to verify fitment for your exact vehicle including engine and trim options.

Is this part covered by warranty?

Yes, this Westar Coil Spring Insulator includes a 24-month limited warranty covering defects in materials and workmanship. AutoBuffy also offers 30-day hassle-free returns if the part doesn't fit your vehicle.

How fast is shipping?

AutoBuffy offers FREE standard shipping on all orders. Most orders ship within 1-2 business days and arrive within 3-5 business days. Expedited shipping is available at checkout.

Check if this fits your car first

We can’t guarantee fitment or accept fitment returns without a vehicle selected.

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$22.95

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Name: Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac
Brand: Westar
SKU: ST-9901
Price: 22.95 USD
Availability: InStock
Rating: 4.9 (12847 reviews)

Part # ST-9901

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Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac - 1

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Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

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$27.95Save $5.00•In Stock•

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Vehicle Compatibility

No compatibility data available for this part.

Specifications

Brand: Westar

Part Number: ST-9901

Part Type: Coil Spring Insulator

Condition: New

Length: 7.875 in

Height: 3.0 in

Oe Equivalent: Yes

Position: Front Lower

Warranty: 24 Months

Weight: 0.55 lbs

Width: 7.5 in

Frequently Asked Questions

We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.

What does a strut mount do?

It connects the strut assembly to the vehicle body, allows the strut to pivot during steering, and isolates road vibration from the cabin using a rubber bushing and bearing plate.

Product Specifications

Brand

Westar

Part Type

Coil Spring Insulator

Condition

New

Oe Equivalent

Yes

Part Number

ST-9901

Length

7.875 in

Height

3.0 in

Position

Front Lower

Length7.875 in

ConditionNew

Height3.0 in

Oe EquivalentYes

PositionFront Lower

Warranty24 Months

Weight0.55 lbs

Width7.5 in

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

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Part # ST-9901

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Brand WestarCondition NewCoil Spring InsulatorPosition Front Lower24-mo warranty

$2295

$27.95SAVE 18%

Dealer charges $40.53SAVE 43%— You save $17.58

In Stock10 or more available

QTY

Fast
Shipping

30-Day
Returns

24-Mo
Warranty

Expert
Support

OE REPLACEMENT

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Part #:ST-9901

Coil Spring Insulator

$22^.95In Stock

$27.95Save 18%

Quantity:

In Stock10 or more available

Shipping calculated at checkout · Est. arrival Fri, Aug 14 to Fri, Aug 14

Ships To:

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Free Same Day ShippingWe ship all orders the same business day before cutoff

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Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Part # ST-9901

Main Image

Click to expand

1 / 2

$2295

$27.95SAVE 18%

Dealer charges $40.53SAVE 43%— You save $17.58

In Stock10 or more available

QTY

Fast
Shipping

30-Day
Returns

24-Mo
Warranty

Expert
Support

OE REPLACEMENT

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Part #:ST-9901

Coil Spring Insulator

$22^.95In Stock

$27.95Save 18%

Quantity:

In Stock10 or more available

Shipping calculated at checkout · Est. arrival Fri, Aug 14 to Fri, Aug 14

Ships To:

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Free Same Day ShippingWe ship all orders the same business day before cutoff

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts

Check if this fits your car first

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Vehicle Compatibility

Specifications

Frequently Asked Questions

Product Specifications

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Key Features

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Front Lower Coil Spring Insulator | Westar ST-9901 Fits Buick Cadillac

Key Features

About This Coil Spring Insulator

Key Features

Signs This Part Needs Replacement

Westar

Installation Guide

Tools Needed

Frequently Asked Questions