The Makita 213278-8 is a genuine OEM replacement O-ring designed to restore the sealing performance of Makita HR1830 and HR2020 rotary hammer drills. Made from durable black rubber, this precision-moulded O-ring provides a reliable seal within the drill's internal mechanism, containing both grease and air to keep the hammering action consistent. It is an essential component during routine servicing or when the original seal has worn, become brittle, or suffered damage under repeated impact loads. As a genuine Makita part, the 213278-8 fits without modification, ensuring correct compression and seating in the housing first time. This makes it a practical choice for contractors and tradespeople carrying out scheduled maintenance or breakdown repairs on site, helping to prevent leaks and protect internal components from contamination. Stocking the correct OEM seal supports longer service intervals and helps maintain tool performance in demanding conditions. The alternate part reference 2132788 can also be used when searching or ordering. Features and Benefits: • Genuine Makita OEM part (213278-8) for accurate fit without modification • Durable black rubber construction for dependable sealing under impact loads • Prevents air and grease leaks to maintain consistent hammering efficiency • Precision-moulded for correct compression and seating in the housing • Suitable for routine servicing or repair of worn, brittle, or damaged seals • Compatible with Makita HR1830 and HR2020 rotary hammer drills • Alternate part reference: 2132788
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