DeWalt 491536-00 Spare Part - O RING

Genuine DeWalt O‑ring / seal — part number 491536-00. A small but critical rubber seal used in the clamshell/seal area of several DeWalt plunge saws and cordless rotary hammers to keep internal components sealed and operating reliably. Supplied as a single replacement seal, this part restores the original sealing function when worn, torn, or missing.

Key details

- Part: DeWalt 491536-00 — O‑ring / seal (original DeWalt spare).

- Function: Replacement sealing ring for the clamshell/seal assembly on certain DeWalt plunge saws and rotary hammers; prevents ingress and preserves internal pressure/clearances.

- Quantity: sold individually (one seal).

- Condition: genuine/original DeWalt part (not a universal rubber ring) — designed to match the tool’s original fit.

Example models this part is listed for (examples only — check your model/type stamping): DWS520 / DCS520 (plunge saws), DC212K / DC212KA (18V rotary hammer), DC213KL, DC228KL, DC229KL, DC232K, DC233KL and related Type variations.

Why this part matters

- A damaged or missing 491536-00 seal can allow dust, debris, or moisture into moving assemblies or change internal clearances — replacing it is a low-cost fix that prevents further wear to pistons, rams, or gearbox components.

If you need the exact fit for your tool, match this part number (491536-00) to the parts breakdown or type/version printed on your tool — the part is listed under those model parts diagrams.