Description 27000K-SHW – Kit-Impeller 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 Suit Cummins QSB Engines (genuine replacement for 3974456) Suits Sherwood Pumps – P2701-01 / P2702-01 / P2704-01 / P2705-01 / P2706-01 / P2708-01 / P2709-01 / P2710-01 / P2701X / P2708X. Material – Neoprene Type – Neoprene Impeller Kits Brand – Sherwood Primary Construction – Neoprene Impeller Shaft Diameter – 19mm Number of Impeller Blades – 12 Contents – 1 x 27000 Impeller, 1 x 15945 O Ring, Gaskets & Technical Guide Diameter Description – 84mm (3-5/16″), Shaft 19mm (3/4″) Drive Type Description – Spline Drive. 11 Tooth with Thread Model – 27000K Depth – 73mm (2-7/8″)