SKU: RESS-COSA-57
MPN: S-COSA-57
The Spring Rubber C/O 15lb Blue by RE Suspension is a replacement rubber isolator engineered to manage coil-over suspension vibration and noise transmission. As a mechanic working on everything from street cars to track builds, you'll recognize this as a critical wear component that degrades over time, allowing excessive harshness and clatter to transfer from the spring assembly to the vehicle chassis. This 15-pound rated rubber element restores the suspension's ability to absorb micro-vibrations and provide a compliant ride quality while maintaining structural integrity under load.
RE Suspension's design uses a resilient rubber compound specifically formulated to resist oil breakdown and UV degradation—both common failure modes in under-car environments. The 15lb spring rate designation indicates this rubber isolator is matched to suspension systems with moderate spring forces, providing the ideal balance between compliance and support without bottoming out under normal driving conditions. The compact dimensions (4.7 x 1.6 x 5 inches) and minimal weight (0.13 lbs) ensure direct bolt-in fitment without modification, while the blue color coding prevents cross-contamination with other suspension components during rebuild operations.
Anyone upgrading to coil-over suspension or performing routine maintenance on existing adjustable setups will benefit from this replacement isolator. It's essential for vehicles experiencing suspension clunk, rattling, or a noticeably harsher ride—symptoms of degraded rubber bushings. Installation requires only basic hand tools and takes minutes per corner; no special knowledge or alignment procedures necessary. Whether you're maintaining a daily driver or refreshing a weekend warrior, this Spring Rubber C/O addresses a foundational suspension issue that directly impacts drivability and component longevity.
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