This part is compatible with models including; SV590-0212,SV620-0210,SV590-0013,752KSV6000225,752KSV6009,SV590-0019,SV610-0021,SV610-0020,SV540-0019,SV610-0018,752KSV5903,17RE9BKR056,17RE9BKR256,752KSV5420,SV620-3215,SV590-0220,SV620-3210,SV600-0020,752KSV5900220,17AE2ACG756,SV600-3233,SV600-0002,SV600-0025,SV600-0225,SV600-0018,SV600-3229,SV601-3241,13AX11CG756,SV591-3217,SV620-0018,SV601-3244,17AE9BKR056 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 20-536-01-S,20-536-05-S Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Kohler This speed control assembly (part number 20-536-06-S) is for lawn mowers Wear work gloves to protect your hands when installing this part Genuine Original Equipment Manufacturer (OEM) parts! This speed control assembly (part number 20-536-06-S) is for lawn mowers. Speed control assembly 20-536-06-S lets you select the speed of the transmission. Wear work gloves to protect your hands when installing this part.