Makita 455385-3 — Motor Housing (motor cover), genuine Makita replacement for the SG1251 wall chaser. This hard motor housing (part number 455385-3) protects the motor assembly and internal wiring from dust and impact, restoring the tool’s structural integrity and ventilation paths so the machine runs safely after repair. The unit is sold as the single motor housing replacement and is designed for direct fitment to Makita SG1251 models. Keep this genuine Makita spare parts replacement on hand if the housing on your SG1251 is cracked, warped, or missing.