Specs: Description: Drive Ring, ID: 3″, OD: 4″. Replaces OEM Numbers: Snapper: 1-0927, 2-3364, 7023364, 7023364YP, 704059. Compatible With/Replacement For: Snapper: 21″ self-propelled mowers; 22″ and 24″ twstage snowblowers. Stens 1 year warranty ensures reliability and performance for every part. Stens branded parts are trusted by professional dealers to perform OEM quality repairs.