The McCormick 3679827M1 piston is a high-quality replacement component designed for Perkins A4.212, A4.236, and A4.248 diesel engines. This piston is commonly found in various Massey Ferguson tractor models, including the 100, 200, 300, 500, 600, and 8100 series. It features a bore diameter of 91.44 mm, an overall length of 106.93 mm, and a compression height of 66.80 mm. The piston pin has a diameter of 34.92 mm and a length of 76.2 mm, ensuring precise fitment and reliable engine performance. This genuine part ensures optimal engine function and durability.