21951346 Flexible Water Pump Impeller kit Replaces Voolvo for Penta fits JABSCO 3862281 1210-0001 877400 500107

Flexible water pump impeller kit compatible with Volvo Penta and Jabsco
✔️ Replaces Volvo Penta 3862281, 12-blade spline, 16mm shaft

This flexible water pump impeller kit is designed for marine cooling systems. It’s a direct replacement for Volvo Penta and JABSCO pump assemblies and fits a range of Sierra and Yanmar variants. Ideal for reconditioning impeller housings in stern drives, outboard motors, and freshwater cooling circuits, ensuring reliable water flow and engine protection. Kit includes a neoprene impeller, brass insert, a rubber plug, and two O-rings for a complete service swap. Pack size: 1 kit.

✅ Replaces Volvo Penta 3862281, 875811-2, 877400; Sierra 18-3081
✅ Includes rubber plug and two O-rings for complete service
✅ Shaft size 16 mm (5/8"), OD x width 57 x 31.5 mm (2-1/4" x 1-1/4")
✅ Drive type: Spline with 12 drive blades
✅ Material: Neoprene impeller with brass insert
✅ Suitable for Volvo Penta and JABSCO pump applications in marine engines

Dimension	Metric	Inches
Shaft size	16 mm	5/8"
OD x width	57 x 31.5 mm	2-1/4" x 1-1/4"
Drive blades	12	12

FAQ: What is a water pump impeller kit used for in marine engines?

This handy kit helps restore cooling flow and protect the engine during routine service.

- Handy replacement for Volvo Penta and JABSCO pump assemblies - 12-blade spline drive matches OEM impeller design - Neoprene impeller with brass insert for durability - Includes rubber plug and two O-rings for a complete swap