47-803748 Water Pump Impeller for Mercury Outboard Boat Motor 18-8921

This Marine Water Pump Impeller is a replacement water pump impeller compatible with Mercury outboard boat motors and references part numbers 47-803748 and 18-8921. It is intended for marine outboard motor maintenance and water pump service applications.

Product Overview

This water pump impeller is a marine replacement part for Mercury outboard boat motors. The listed replacement references are 47-803748 and 18-8921, which can help compare the existing impeller before purchase.

Key Features & Performance

• Water pump impeller for marine applications

• Designed as a replacement part

• Compatible with Mercury outboard boat motors as stated in the title

• References part number 47-803748

• References replacement number 18-8921

Fitment & Compatibility

• for Mercury outboard boat motors

Technical Specifications

Product Type: Water pump impeller

Part Number(s): 47-803748

Replacement Number(s): 18-8921

Brand Compatibility: Mercury

Application: Outboard boat motor

Frequently Asked Questions

Q: What does this product replace? A: This marine water pump impeller references part numbers 47-803748 and 18-8921.

Q: How should I verify fitment? A: Compare both listed part numbers and the existing impeller with your Mercury outboard boat motor information 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.