This unbranded aftermarket piston, part number 500021015, is specifically designed for Deutz 1011 series diesel engines. It serves as a direct replacement for Deutz OEM part numbers 02929430 and 04200430. Key technical specifications include a 102 mm diameter, a compression height of 60.5 mm, and an overall height of 104.5 mm. The piston is fitted with a 38 mm diameter pin, which is 78 mm in length. It features three piston ring segments with thicknesses of 3.5 mm, 3.0 mm, and 4.0 mm respectively. A central recess with a 60 mm diameter and 16.2 mm depth is also present. Compatible with various Deutz 1011 engine models such as BF4L1011F, BF3L1011F, F4L1011F, F3L1011F, BF4L1011, F4L1011, BF3L1011, and F3L1011.