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Hitachi - 986-104 - O-ring
Hitachi O-ring - 986-104
Genuine Hitachi O‑ring — part number 986104 — precision sealing ring for Hitachi demolition and rotary hammers.
Dimensions: inner diameter 23 mm, outer diameter 30 mm, cross‑section 3 mm. Fits models such as DH38YE, DH38MS, DH40MC, DH40FB, DH40MRY, DH50MRY and H41MB (common in Hitachi/Metabo HPT / HiKoki tool lines).
This original Hitachi seal stops air/oil leaks and restores reliable hammer action — an inexpensive, straightforward replacement that gets a worn unit back to service quickly. This genuine Hitachi item is one of the small, essential Hitachi parts you’ll want on hand when replacing a failed seal.
Compatible models this part will fit:
- Hitachi DH28Y
- Hitachi DH38YE
- Hitachi DH40FA
- Hitachi DH40FB
- Hitachi DH40FR
- Hitachi DH40MA
- Hitachi DH40MB
- Hitachi DH40MR
- Hitachi DH40MRY
- Hitachi DH40SA
- Hitachi DH40SR
- Hitachi DH40YB
- Hitachi DH50MB
- Hitachi H41SA
- Hitachi H41SC
- Hitachi H45MA
- Hitachi H45SA
- Hitachi H45SB2
- Hitachi DH35
- Hitachi DH38MS
- Hitachi DH38SS
- Hitachi DH38YE2
- Hitachi DH50MR
- Hitachi DH50MRY
- Hitachi H41
