3135M111 is piston kit for use on Perkins 4.236 series engine. 3135M111 is a pre-topped, 3 ring controlled expansion piston. It is a top ring insert with graphite coated skirt This piston can be used with Perkins 003 ring kit. To ensure this parts fits your engine you can either contact our customer service team using our live chat - the results are of all products available online which will fit your specific build list. .