Description KIT-IMPELLER 22000K-SHW – Original Engine Specified – Sherwood Impeller Kits includes all gaskets, O-rings and service instruction – Patented Insert/Puller System for Easy Removal – Designed to maximize performance and life – Genuine Replacement for Caterpillar – 1539123 / 153-9123 – Suit Cat Engines – 3412 – Suits Sherwood Pumps – G2201-01 / G22011-01 / G22012X / G22012X