Need new brakes for your Arctic Cat ATV? This is a complete brake caliper assembly that comes WITH the brake pads already installed! That's a huge time-saver. It's designed to fit a range of Arctic Cat ATV models: 250, 300, 350, 366, 400, and 425. The placement can be front left or rear (check your specific model - rear left only for XC450, or rear right). Manufacturer part numbers it replaces include 1436-423, 3323-231, 3323-157, and 2502-551. The brand is MATI. Type is a brake caliper. The package includes the caliper with pads and the mounting bracket. It has a 1-year manufacturer warranty. UPC: 761587352851. If your old caliper is sticking, leaking, or the pistons are seized, swapping the whole unit is the way to go. Having the pads included means you can do the job in one shot. Critical for safety - never ride with worn or faulty brakes. A straightforward repair to restore solid stopping power to your ATV. Always double-check fitment for your exact model and year.