Genuine Makita compression spring, part number 231417-8 — a direct replacement “Comp. Spring 10” used in plunge/trim router assemblies. The spring measures about 152 mm in free length and is listed for Makita router models including RP0900 (RP0900K), M3601 (MRP090/M3601 variants) and model 196094-2.
If the spring in your router has lost tension or broken, this original Makita part restores proper plunge action and depth‑return behavior without modifying the tool; it’s an easy swap during routine repairs to get your router back to spec. Use this part when ordering small power tool parts to match the exact Makita part number 231417-8.
Jump straight to the Makita spare parts diagrams:
