High-quality aftermarket piston ring, part number 186580M1, designed for a wide range of Massey Ferguson tractors. This essential engine component features a precise diameter of 97.4mm and a thickness of 3.17mm, ensuring optimal fit and performance. Compatible with Massey Ferguson models including 135, 148, 230, 240, 250, 265, 275, 550, 565, 575, 590, 675, 690, 698, 698T, 699, 1004, 1004T, 1080, 1085, 1200, 1250, 3050, 3060, 3065, 3070, 3075, 3080, 3085, 3090, 3095, 3115, 3120, 3125, 3610, 3630, 3645, 3650, 3655, 3660, 3670, 3680, 3690, 4225, 4235, 4240, 4245, 4255, 4260, 4265, 4270, 4325, 4335, 4345, 4355, 4360, 4365, 4370, 5425, 5435, 5445, 5455, 5460, 5465, 5470, 5475, 5480, 6120, 6130, 6140, 6150, 6160, 6170, 6180, 6190, 6230, 6240, 6255, 6260, 6265, 6270, 6280, 6290, 6445, 6455, 6460, 6465, 6470, 6475, 6480, 6485, 6490, 6495, 6497, 6499, 7465, 7475, 7480, 7485, 7490, 7495, 7497, 7499, 8110, 8120, 8130, 8140, 8150, 8160, 8170, 8180, 8210, 8220, 8240, 8245, 8250, 8260, 8270, and 8280. This replacement piston ring ensures reliable engine performance and durability.