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This Firestone Coil‑Rite replacement rear bellow (4.38 x 11, .125 thickness) is a service component for Coil‑Rite air helper spring kits, restoring the air-assisted support that helps level vehicles and improve braking under heavy loads. The replacement is designed for straightforward installation without drilling and supports the system’s capacity to reduce bottoming out and maintain a stable ride when carrying variable payloads.
Firestone Coil-Rite Replacement Bellow - Air Helper Spring Kit - Rear 4.38x11 (.125 Thk)(W237606133)
