This Starter is designed for Kohler SV540, SV541, SV590, SV600, SV610, and SV620 engines with 18-21 HP. It is a high-quality unit with a PMDD design and features counterclockwise rotation. Manufactured by Shinerun and sold by CCLINK, this starter has a 1-year manufacturer warranty and is made of durable materials such as aluminum, iron, and steel. Compatible with Cub Cadet, Toro, and Troy-Bilt brands, this Starter is an essential part for maintaining your lawn mower.