This trim and tilt switch control panel is compatible with Penta DP and SP series drives.It replaces part numbers 3855560, 3855650, 853846, and 873617.This component fits models including DP-D1, DP-C, DP-E, DP-G, DPX, DP-X, SP-C1, SP-E, SX, All DP290, All SP290, and SP-E drives.The unit functions as a direct replacement to restore trim and tilt control operations.