Material: Aluminum, Rubber, Plastic Color: As shown in product images Position: After shift bolt thread Compatibility: WR250F, WR400F, WR426F, XT600, XT600E, YZ250F, YZ426F : 5JG-2583V-00 Certification: CCC This rear hydraulic brake master cylinder pump is designed as a direct replacement for specific motorcycle models.Constructed from aluminum, rubber, and plastic, it is positioned after the shift bolt thread and integrates into the braking system to support consistent performance.The part matches specifications for fit and function, straightforward installation.Compatible with WR250F, WR400F, WR426F, XT600, XT600E, YZ250F, and YZ426F, it is suitable for brake system maintenance or replacement.The product holds CCC certification, indicating compliance with applicable quality standards.Engineered to operate under elevated temperatures, it supports stable braking performance under conditions.