4642089A5 Water Pump Impeller Repair Kit for Mercury Mariner Outboard 6 15 HP

Product Overview

This water pump impeller repair kit contains all necessary components to restore cooling system function on Mercury and Mariner outboard motors. Designed for 6-15 HP models, this kit ensures reliable water flow to prevent engine overheating. Ideal for boat owners and marine mechanics performing routine maintenance.

Key Features & Performance

• Premium rubber impeller provides consistent water pumping for optimal engine cooling
• Includes gaskets, seals, and O-rings for a complete rebuild
• Corrosion-resistant materials extend service life in saltwater environments
• Precision-molded to OEM specifications for perfect fitment
• Easy to install with basic hand tools

Fitment & Compatibility

• Mercury outboard 6 HP, 8 HP, 9.9 HP, 15 HP (select years)
• Mariner outboard 6 HP, 8 HP, 9.9 HP, 15 HP (select years)

Common Uses

• Replacing worn or damaged water pump impeller on small outboard engines
• Annual maintenance to prevent overheating and engine damage
• Restoring cooling system performance after debris clogging
• Rebuilding water pump assembly during lower unit service

Technical Specifications

• Part Number(s): 46-42089A5
• Material: Rubber impeller, stainless steel insert
• Fitment: Mercury/Mariner 6-15 HP 2-stroke and 4-stroke outboards

Frequently Asked Questions

Q: Is this impeller kit compatible with both 2-stroke and 4-stroke Mercury outboards? A: Yes, the 46-42089A5 kit fits both 2-stroke and 4-stroke Mercury and Mariner outboards within the 6-15 HP range.

Q: Does the kit include the housing or only the impeller and seals? A: This is a repair kit that includes the impeller, gaskets, seals, and O-rings; the water pump housing is not included.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.