47-89981 47-65957 18-3039 Water Pump Impeller for Mercury Outboard 4 4.5 6 7.5 9

This Mercury Water Pump Impeller is a replacement water pump component for 4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP outboard applications and references part numbers 47-89981, 47-65957, and 18-3039. It is designed for water pump service on compatible Mercury outboard equipment.

Product Overview

This water pump impeller is an outboard cooling-system replacement part for Mercury engines. The listed replacement numbers support identification for compatible 4 HP through 9.8 HP Mercury outboard applications.

Key Features & Performance

Water pump impeller design for outboard applications.

Listed for Mercury outboards.

Compatible horsepower applications include 4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP.

References replacement numbers 47-89981, 47-65957, and 18-3039.

Intended for water pump service and replacement.

Fitment & Compatibility

For Mercury 4 HP outboards.

For Mercury 4.5 HP outboards.

For Mercury 6 HP outboards.

For Mercury 7.5 HP outboards.

For Mercury 9.8 HP outboards.

Common Uses

Replacing a water pump impeller on a compatible Mercury outboard.

Servicing the water pump system on listed Mercury horsepower applications.

Maintaining cooling-system operation on compatible outboard equipment.

Technical Specifications

Product Type: Water pump impeller

Brand Compatibility: Mercury

Engine Compatibility: 4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP outboards

Replacement Number(s): 47-89981, 47-65957, and 18-3039

Application: Outboard water pump service

Frequently Asked Questions

Q: Which Mercury outboards are listed for this impeller? A: The title lists 4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP Mercury outboard applications.

Q: How should I verify fitment? A: Compare the existing impeller or part number with 47-89981, 47-65957, and 18-3039, and confirm the outboard horsepower and serial number before purchase.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.