The Makita 135962-4 Inner Housing Assembly is a genuine OEM spare part for the Makita DHR280ZJ combination hammer, forming the structural core of the tool. Manufactured to Makita's original tolerances, this metal inner housing locates and protects the key internal components — including gears, bearings, and the hammer mechanism — that keep the DHR280ZJ performing reliably on masonry and concrete tasks. A worn or damaged housing can cause misalignment, increased vibration, and accelerated wear to surrounding parts, making timely replacement essential for maintaining tool performance on site. Carrying OEM reference 135962-4, this part offers assured compatibility and a precise fit, restoring correct alignment and reducing vibration without modification. It is designed to install with the tool's existing fixings and seals, making it a practical choice for a tradesperson carrying out their own maintenance or repair. Whether used in a professional workshop or on a busy construction site, this genuine Makita part helps minimise downtime and extend the working life of the DHR280ZJ. Features and Benefits: • Genuine Makita replacement part for assured compatibility with the DHR280ZJ • OEM reference 135962-4 for accurate identification and ordering • Robust metal construction supports gears, bearings, and the hammer mechanism • Precision fit restores correct alignment and tool balance • Helps reduce vibration and premature wear caused by a fatigued housing • Designed for installation with existing fixings and seals • Suitable for routine maintenance or repair to extend tool service life

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