---
product_id: 134865239
title: "70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446"
brand: "ghmarine"
price: "$66.48"
currency: USD
in_stock: true
reviews_count: 13
category: "G Hmarine"
url: https://www.desertcart.us/products/134865239-70941a3-water-pump-impeller-kit-for-mercury-for-mercruiser-force
store_origin: US
region: United States of America
---

# Optimized water flow Precision OEM fit Complete repair kit 70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446

**Brand:** ghmarine
**Price:** $66.48
**Availability:** ✅ In Stock

## Summary

> 💦 Keep your engine cool and your adventures unstoppable!

## Quick Answers

- **What is this?** 70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 by ghmarine
- **How much does it cost?** $66.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/134865239-70941a3-water-pump-impeller-kit-for-mercury-for-mercruiser-force)

## Best For

- ghmarine enthusiasts

## Why This Product

- Trusted ghmarine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-in-One Repair Solution:** Includes impeller, plate, seals, cover, housing, and key—everything you need to restore your water pump in one kit.
- • **Durable Metal Construction:** Built with premium metal components for long-lasting reliability and corrosion resistance in marine environments.
- • **Seamless OEM Compatibility:** Engineered specifically for Mercury and MerCruiser 2-stroke outboards (4-9.8 HP) ensuring flawless integration and peak performance.
- • **Boost Engine Cooling Efficiency:** Precision design maximizes water flow to prevent overheating, keeping your boat running smooth and safe.
- • **Trusted by Professionals & Enthusiasts:** Highly rated with 4.4 stars from 500+ users who demand dependable performance on the water.

## Overview

The GHmarine 70941A3 Water Pump Impeller Kit is a precision-engineered, OEM-compatible repair kit designed for Mercury and MerCruiser 2-stroke outboard engines ranging from 4 to 9.8 HP. This comprehensive kit includes all necessary components to restore optimal water pump function, ensuring efficient engine cooling and reliable marine performance. Crafted from durable metal and backed by strong customer ratings, it’s the go-to choice for boaters seeking hassle-free maintenance and peak engine health.

## Description

Buy GHmarine 70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446: Water Pumps - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Fits and works - Replacement water pump for my 1998 Mariner 40hp outboard.
Review: Direct replacement for mercury 4hp - Worked great on my mercury two stroke4hp.

## Features

- This Water Pump Impeller Repair Kit is for Mercury for Mariner Force Outboard Models
- Fits for Mercury Marine 4hp 4.5hp 7.5hp 9.8hp 1975-1986 Boat Engines
- Replaces for Mercury Marine 46-70941A3, Sierra 18-3446
- Packge Contains: Water Pump Impeller, Impeller Plate, Seal Water Pump Cover, Cover Assembly, Housing Assembly, Key
- If you're not sure if it's the right model for you, please contact me, I will give you the most accurate advice

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Q86CX47 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #71,179 in Automotive ( See Top 100 in Automotive ) #18 in Automotive Replacement Engine Water Pump Fittings & Accessories |
| Brand | GHmarine |
| Customer Reviews | 4.4 4.4 out of 5 stars (504) |
| Date First Available | April 2, 2019 |
| Exterior | Polished |
| Global Trade Identification Number | 00636946579227 |
| Item Weight | 3.67 ounces |
| Item model number | 46-70941A3 46-46893A6 18-3446 |
| Manufacturer | GHMARINE |
| Manufacturer Part Number | 46-70941A3 |
| Material | Metal |
| Model | Water Pump Impeller Kit |
| OEM Part Number | 12122, 18-3446, 46-46893A6, 46-70941A3 |
| Position | Lower |
| Product Dimensions | 10.5 x 4 x 2.5 inches |
| UPC | 636946579227 |
| Vehicle Service Type | Boat |
| Weight Class | light |

## Product Details

- **Automotive Fit Type:** Vehicle Specific Fit
- **Brand:** GHmarine
- **Global Trade Identification Number:** 00636946579227
- **Item Weight:** 104 Grams
- **Manufacturer:** GHMARINE
- **Material:** Metal
- **OEM Part Number:** 12122, 18-3446, 46-46893A6, 46-70941A3
- **UPC:** 636946579227
- **Vehicle Service Type:** Boat
- **Weight Class:** light

## Images

![70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 - Image 1](https://m.media-amazon.com/images/I/611de0iLyJL.jpg)
![70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 - Image 2](https://m.media-amazon.com/images/I/61EUgI3Uq-L.jpg)
![70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 - Image 3](https://m.media-amazon.com/images/I/61P9HHntQNL.jpg)
![70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 - Image 4](https://m.media-amazon.com/images/I/61pR-BtU-OL.jpg)
![70941A3 Water Pump Impeller Kit for Mercury for MerCruiser Force Outboards 2 Stroke 4-9.8 HP 46-70941A3 Sierra 18-3446 - Image 5](https://m.media-amazon.com/images/I/51c+xBMs5AL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits and works
*by N***H on May 26, 2025*

Replacement water pump for my 1998 Mariner 40hp outboard.

### ⭐⭐⭐⭐⭐ Direct replacement for mercury 4hp
*by T***N on December 14, 2025*

Worked great on my mercury two stroke4hp.

### ⭐⭐⭐⭐⭐ Great replacement kit
*by M***D on September 1, 2024*

Water pump kit fits perfectly on my 200hp mercury outboard 2000 model. Excellent quality matching the OEM part I replaced from wear & tear. There where however extra gaskets & O-rings that go nowhere on my outboard

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-07*