Makita 318170-4 Spare Part - CRANK CAP COVER HR4511C
Original Makita crank cap cover — part 318170-4 — direct-fit replacement for the HR4511C SDS‑Max rotary hammer. Designed to seal and protect the crank/gear area from dust, debris and impact, it restores the correct alignment and lubrication of the crank assembly so the hammer runs smoothly.
Key details:
- Part number: 318170-4 (original Makita crank cap cover).
- Typical construction: robust metal alloy with a finished surface for jobsite durability and impact resistance.
- Function: dust/debris protection and support for the crank area to help prevent premature wear of bearings and seals.
- Fits (example model): Makita HR4511C rotary hammer.
Simple like‑for‑like replacement — sold as the single cover part to get your Makita back to proper operation.
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Compatible models this part will fit: