Rear Coil Spring Insulator for 1999-2009 Pontiac Montana & More - KYB SM5549

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$14.99
MPN: SM5549
UPC: 781552605171
Item Package Quantity: 1
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KYB Coil Spring Insulator P/N:SM5549
KYB Coil Spring Insulator P/N:SM5549
$14.99

Quiet a noisy rear ride with the KYB coil spring insulator SM5549, a direct-fit replacement for the rear coil spring seat on the listed applications. It fits many vehicles, among them the 2005-2008 Chevrolet Uplander, 1999-2009 Pontiac Montana and 1997-2005 Chevrolet Venture. It cushions the seating surface between the rear coil spring and the chassis, replacing an old, hardened insulator that has begun to transmit vibration and noise.

  • Reduces noise: helps dampen squeaks, rattles, and vibration noises caused by a worn insulator.
  • Application-specific: designed for each application to help restore proper suspension seating.
  • OE-level build: built to match or exceed the original equipment part's design and quality.

KYB spring seats and insulators are engineered as OE-quality replacement components that address the vibration and noise caused by aged, hardened insulators. See the Buyer's Guide tab for engine-specific fitment and the full application list.

Interchange: 10245059

This part cross-references / interchanges with the following part numbers:

10245059

Frequently Asked Questions

What is the KYB coil spring insulator SM5549?

It is a rear coil spring insulator that cushions the seating surface between the rear coil spring and the chassis, helping isolate vibration and noise on the listed applications.

Which vehicles does this insulator fit?

It fits many vehicles, among them the 2005-2008 Chevrolet Uplander, 1999-2009 Pontiac Montana and 1997-2005 Chevrolet Venture. See the Buyer's Guide tab for the full list.

What are signs my spring insulator may need replacing?

Squeaks, rattles, and vibration noises from the rear suspension can indicate a hardened or worn insulator. Diagnose the cause before replacing, as these symptoms can have other sources.

Is this a front or rear part?

This is a rear coil spring insulator for the listed applications.

What interchange number does this KYB coil spring insulator replace?

It cross-references interchange number 10245059.