KYB Coil Spring Insulator P/N:SM5433
Help quiet a noisy rear suspension with the KYB coil spring insulator SM5358, a direct-fit replacement seat that cushions the coil spring against its mounting surface. It installs in the rear upper spring seat position and fits many Jaguar models, among them the 2000-2006 Jaguar XKR, 1997-2004 Jaguar XK8 and 1995-2003 Jaguar Vanden Plas — see the "Vehicles it fits" section for the full list.
KYB spring seats and insulators are designed to address the vibration and noise that surface as old insulators harden with age, with application-specific replacement components intended to support quieter, more settled suspension performance.
If a hardened or deteriorated original insulator is the source of your rear suspension noise, this seat replaces it.
Interchange: MMD3565AA
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
What is the SM5358 spring seat insulator?
It is a replacement spring seat insulator that cushions the coil spring against its mounting surface, helping reduce squeaks, rattles and vibration noise in the suspension.
Where does this insulator install?
It fits the rear upper spring seat position on the listed applications.
Which vehicles does the SM5358 fit?
It fits many Jaguar models, among them the 2000-2006 Jaguar XKR, 1997-2004 Jaguar XK8 and 1995-2003 Jaguar Vanden Plas. Check the "Vehicles it fits" section for the full application list.
What number does this insulator interchange with?
It cross-references MMD3565AA.
When should I replace a coil spring insulator?
Signs it may need replacing include squeaks, rattles or vibration noise from the suspension as the insulator hardens with age. Diagnose the source before replacing.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.