Got 1 of these. The 034 and 036 would have to be the updated ones with newer set up. In my thinking. I went down that road building a 036. Dolmar 9000, 9010 Jonsered 2051, 2054, 2055 Stihl 034, 036, 044, 046, 064, 066, MS 340, MS 341, MS 361, MS 362, MS 440, MS 441, MS 460, MS 640, MS 650, MS 660 Replaces Stihl Part Number 9512 933 2380 Size: 10x16x12