Poulan Cylinder Gasket part# 019195 supersedes to part# 530-019195 which supersedes to part# 530-069401. This part is listed as "No Longer Available" by the manufacturer. This gasket was used on the following chainsaw models; 1800, 2000, 2100, 2300AV, 2300CVA, 2350CVA, 2400, MicroXXV, 235 Pro, PP180, PP180C, PP235, PP236, PP236C, and S23. There may be models that use this part that we do not have listed here. Please refer to your owners manual or a parts breakdown for your model, to assure that this is the correct part for your machine, before you order.