SKU: 14247922504

Water Pump Repair Kit – Fits Mercury/Mariner 2 HP (Replaces 46-6885M, 46-80395M)

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Description

Water Pump Repair Kit – Fits Mercury/Mariner 2 HP (Replaces 46-6885M, 46-80395M)Water Pump Repair Kit Fits Mercury Mariner 2 HP (Replaces 46 6885M, 46 80395M) This water pump repair kit is designed for Mercury Mariner 2 HP 2 Stroke outboard motors (1984 2002). It provides a complete solution for servicing and restoring your engine's cooling system for optimal performance and reliability. This kit serves as a direct replacement for Mercury part numbers 46 6885M, 46 80395M, 80395M, 6885M; Sierra 18 3462, 18 3463; and Yamaha 6A1

Water Pump Repair Kit – Fits Mercury/Mariner 2 HP (Replaces 46-6885M, 46-80395M)

This water pump repair kit is designed for Mercury/Mariner 2 HP 2-Stroke outboard motors (1984-2002). It provides a complete solution for servicing and restoring your engine's cooling system for optimal performance and reliability.

This kit serves as a direct replacement for Mercury part numbers 46-6885M, 46-80395M, 80395M, 6885M; Sierra 18-3462, 18-3463; and Yamaha 6A1-W0078-01-00.

  • Installation Method: Installs as a direct OEM-equivalent replacement.
  • Core Components: Includes the essential impeller, wear plate, cup, and seals for a complete overhaul.
  • Engine Fitment: Specifically designed for Mercury/Mariner 2 HP 2-Stroke models with small gear housings.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
Mercury 46-6885M
Mercury 46-80395M
Mercury 80395M
Mercury 6885M
Sierra 18-3462
Sierra 18-3463
Yamaha 6A1-W0078-01-00

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Brand Model Rated HP Stroke Years OEM Part No.
Mercury/Mariner 2A, 2B 2 2-Stroke 1984-2002 46-6885M, 46-80395M

Technical Specifications

Specification Value
Product Type Water Pump Repair Kit
Installation OEM Direct Replacement
Fitting Type Direct Fit
Other Technical Attributes For small gear housing/lower unit

Package Contents

  • 1 x Water Pump Impeller (80395M)
  • 1 x Cup, Insert (80393M)
  • 1 x Wear Plate (80394M)
  • 1 x Protector, Oil Seal (92529M)
  • 1 x O-Ring (82269M)
  • 1 x Seal, Water (80398M)
  • 2 x Seal, Oil (82251M)
  • 2 x Pin, Dowel (82356M)
  • 2 x Bolt and Washer (92521M)

Installation Guide

Professional installation is recommended. The following are general steps for reference:

  1. Safety First: Disconnect the battery and remove the spark plug wire.
  2. Position the Engine: Place the engine in a secure, upright position.
  3. Drain Gear Lube: Open the drain and vent screws on the lower unit to drain the gearcase oil.
  4. Remove Lower Unit: Unbolt the lower unit (gearcase) from the upper engine housing. This may require disconnecting the shift linkage.
  5. Access Water Pump: With the lower unit removed, unbolt and lift the water pump housing to expose the impeller and other components.
  6. Inspect & Replace: Remove the old impeller, plate, cup, and seals. Clean all surfaces thoroughly.
  7. Install New Parts: Install the new components from the kit in the reverse order of removal. Ensure the impeller vanes are oriented correctly.
  8. Reassemble: Re-install the water pump housing, followed by the lower unit. Reconnect any shift linkage.
  9. Refill & Test: Refill the gearcase with fresh lubricant. Start the engine in a test tank or with a water flusher to confirm a strong water stream from the tell-tale outlet.

Troubleshooting & FAQ

How do I confirm this kit fits my Mercury 2 HP engine?

First, verify your engine is a Model 2A or 2B manufactured between 1984 and 2002. Second, check that your existing part number matches one of the direct replacements listed in our cross-reference table, such as Mercury 46-6885M or 46-80395M.

What are the signs that my water pump needs to be replaced?

Common signs of a failing water pump include the engine overheating, a weak or non-existent stream of water from the "telltale" outlet, or finding a brittle, cracked, or damaged impeller during a routine inspection.

How often should I replace the water pump impeller?

For preventative maintenance, it is recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of use. Replacement frequency should be increased if operating primarily in saltwater or sandy/silty conditions.

OEM vs. Aftermarket?

This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?

We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?

This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14247922504

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Reviewed in the United States on January 5, 2023
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