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The Bilstein 46mm dividing piston O-ring is a replacement sealing component sized for 46mm dividing pistons used in compatible Bilstein shock assemblies. Intended as a service part, the O-ring restores sealing where the dividing piston requires a precisely sized elastomer seal, helping maintain proper internal separation in applicable shock or strut units.
Bilstein 46mm Dividing Piston O-Ring
