Genuine Makita 457499-4 — Safety Cover B (LS1019/L series). This is the molded safety guard that fits the upper/side cover area on Makita sliding compound mitre saws; it keeps chips and dust contained around the cutting zone and restores the factory guard geometry so the saw operates safely.
Physical details: injection-mold style, durable impact-resistant plastic (factory Makita finish), sold as the single replacement cover stamped 457499-4. It installs in the original mounting locations and aligns with the saw arm and center plate so no modification is required for correct fit.
Example models this part is listed for: LS1019, LS1019L, LS1019LX, DLS110, DLS111 — and several related XSL-series sliding mitre saws (examples reported include XSL04PTU, XSL04ZU, XSL06PM, XSL06PT, XSL06Z). Use this part number when matching to your saw to ensure correct fit.
If your existing cover is cracked, warped or missing the mounting tabs, this genuine Makita 457499-4 Safety Cover B is the straightforward replacement to restore the original guard function and fit for the models listed above.
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