Description
Overview:
This O-Ring is a genuine Hitachi/Hikoki sealing component designed to restore and maintain the performance of rotary hammer drills. Made from durable rubber, it provides a tight, dependable seal to prevent air or grease leaks inside the tool. With an inner diameter of 19.2 mm (0.76 in), it is sized for correct fitment and sealing efficiency in the specified mechanisms. It is suitable for use in Hitachi/Hikoki models such as the DH28PC and DH28PD, where a reliable seal is essential to maintain impact power, protect internal parts, and reduce premature wear. Supplied as OEM No. 319577, it offers assured compatibility and straightforward replacement during routine servicing or repair work.
Key Features:
- Genuine Hitachi/Hikoki part for correct fit and performance (OEM No. 319577)
- Inner diameter: 19.2 mm (0.76 in) for accurate sealing in the intended assembly
- Durable rubber construction for long service life under typical tool conditions
- Helps maintain compression and grease retention for consistent hammer action
- Reduces risk of leaks that can lead to power loss or internal damage
- Simple, quick installation to minimise downtime on site or in the workshop
- Stable sealing under vibration common to rotary hammer use
- Direct replacement part to support routine maintenance and repairs
Typical Applications:
Used during service or repair of Hitachi/Hikoki rotary hammer drills to replace worn seals and prevent air or lubricant leaks. Ideal for restoring impact strength, reducing blow-by, and protecting internal components in professional, hire, and DIY environments. Suitable for preventative maintenance to keep tools operating efficiently on site or in the workshop.
Also known as:
Sealing ring, seal ring, rotary hammer drill O-Ring, elastomer O-Ring, service seal, packing ring.
Fits Models:
DH28PC, DH28PD, DH30PC2, H25PV
Alternate Part Numbers:
319577
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