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The Bilstein B3 OE Replacement coil spring is a direct-fit rear spring for 1977–1985 Mercedes‑Benz 300D 3.0L applications, intended to restore factory suspension function. Built to OE dimensions, spring rates, and designs such as minibloc or central force layouts, these springs use high-grade chrome vanadium or chrome silicon steel and a hot-setting process to prevent height loss and return suspension safety to spec.
Bilstein B3 OE Replacement 77-85 Mercedes-Benz 300D Base L5 3.0L Rear Coil Spring
