Replaces OEM# Compatible with 1911113 , 1910790 , 1910301. Compatibility With:Polaris Sportsman /Magnum /Scrambler/Trail Blaze/Trail Boss/Xpedition/Xplorer and many modles of diffferent brands of ATV. Easy to installation.When installing, you must loosen the oil drain screw of the pump under the brake, and continuously press the brake foot brake pump to generate pressure, so that the oil of the brake pump passes through the oil pipe, enters the brake pump, discharges the air, and then tightens the oil drain screw. The brake system does not work without exhausting air.. High Quality Aftermarket Rear Brake Master Cylinder,made of durable metal material,long service life..
