Sierra 18-3399 Water Pump Kit with Housing for Johnson/Evinrude Outboards

The Sierra 18-3399 Water Pump Kit is a complete replacement solution designed for Johnson/Evinrude outboard motors. This comprehensive kit includes the water pump housing and all necessary components for a complete water pump rebuild, ensuring optimal cooling system performance and reliability.

Complete Kit Contents:

• 18-3368 Impeller (nitrile rubber construction)
• 18-3336 Water Pump Housing
• 18-3343 Wear Plate
• 18-2709 Wear Plate Gasket
• 18-2705 Oil Seal
• 18-3337 Grommet
• 18-7134 O-Ring
• 18-3365 Stainless Steel Bolts (long)
• 18-3369 Stainless Steel Bolts (short)

OEM Cross-References:

• Evinrude/Johnson: 0396933, 0439077
• Mallory: 9-48207

This Sierra water pump kit is manufactured to meet or exceed original equipment specifications, providing reliable performance and proper cooling for your outboard engine. The nitrile rubber impeller construction offers excellent resistance to swelling and cracking in both freshwater and saltwater environments. All components are precision-engineered to ensure proper fit and long-lasting durability.

Note: This kit includes the complete water pump housing. Impeller key sold separately.