This is the replacement No. 5 Recoil Starter Body for OS engines. This recoil is for several engines including: 12CV-X, 15CV-X, 12LD-X, 15LD-X, 21RG(P)-X, and FS26S-CX. YOU WILL RECEIVE: One Recoil Body with handle and cord installed. Four mounting screws REQUIREMENTS: One-way bearing, use OSMG8980 if needed. COMMENTS: The complete unit is OSMG8978. cmc 01/09/02 ir/kh &