If your Suzuki Grand Vitara's brake pedal is feeling soft or sinking, you might need a new master cylinder. This is a replacement master cylinder designed specifically for the 2006-2014 Suzuki Grand Vitara. It's an NTY brand part that matches the original equipment manufacturer (OEM) number 23810-64J00 (also listed as 23810-64J20, 2381064J00000). The master cylinder is a crucial part of your brake system—it converts the pressure from your foot on the pedal into hydraulic pressure that pushes the brake calipers. This replacement should restore proper brake feel and performance. It's listed as a direct equivalent, so it should bolt right up to your existing brake lines and booster. Always important: make sure this part number matches the one you're replacing, and consider having a professional mechanic install it if you're not experienced with brake systems, as proper bleeding and testing are essential for safety. A solid replacement part to get your Vitara stopping confidently again.