Genuine part suitable for some of the following makes & models;
Jonsered
CS2138C
McCulloch
CS330, CS360, CS370, CS400, CS400T, CS420T, MAC 7-38, MAC 738, MAC 7-40, MAC 740, MAC 7-42, MAC 742, MAC 8-38, MAC 838, MAC 8-42, MAC 842, MC 4218 AV, XTREME 8-42
Partner
P740, P742, P840, P842
Note! If you are not sure this is the correct part, please the contact sales office with your machine details