965531021 supersedes older part numbers: 965531020, 965531010

Original Makita crankcase / cylinder base gasket — part number 965531021. This precision-cut sealing gasket restores the seal between the cylinder and crankcase to stop air, fuel and oil leaks and help recover proper compression and engine performance.

Fits examples: Makita DCS34 (including DCS340-40) and PS34 chainsaw models; the same part number also appears in Makita/Dolmar parts lists for related small chainsaw models (listed interchangeably with older 965531020/965-531-021 references).

Sold as a single original Makita replacement (listed under 965531021 / 965-531-021), this genuine Makita gasket is a straightforward swap if your machine shows crankcase seepage — a common power tool parts item for chainsaw engine repairs.

Browse our full range of Makita chainsaw parts.