09-1027B-1 JOHNSON FLEXIBLE IMPELLER NEW MC97 COMPOUND Meets latest environmental regulations for rubber manufacturing process. Replaces Neoprene compound, MC97 Impellers have extended service life. 12 blades, Splined drive, Shaft diameter 5/8" (16mm) THIS JOHNSON IMPELLER DIRECTLY REPLACES THE FOLLOWING : Onan 132-0162 impeller Jabsco 1210-0001 impeller, Volvo Impellers 860203, 3856039-7, 875811-2 Perkins 0460038 Impeller, Yanmar 129470-42530 Impeller