Bronze Raw Water Pump | Jabsco 29500-1001 Jabsco Bronze Raw Water Pump | 29500-1001 Coupler driven raw water intake pump with flange style mount. Jabsco engine cooling water pump Fits Volvo Penta MD22 series diesel marine engines Shaft driven water pump 28 mm inlet and outlet ports Bronze pump housing with stainless steel shaft Flexible neoprene impeller Rubber lip seal Replaces Perkins 2488A401 Replaces Volvo Penta 859824 Replacement impeller P/N 1210-0001-P