Product Overview
The Watson & Chalin 930356-20Z Upper Arm Assembly is a premium suspension component designed for heavy-duty trailer air-ride systems. This right-hand cast aluminum upper arm with poly bushings fits several W&C suspension models and serves as a direct replacement for worn suspension arms.
Built to OEM form and fit, the 930356-20Z helps restore proper axle alignment, improve ride quality, and reduce wear on drop/lift-axle setups. Compatible with W&C 8-10-13K SSR systems and widely used in lift/pusher applications.
