---
product_id: 378969803
title: "8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank"
brand: "uanofcn"
price: "₨787"
currency: SCR
in_stock: true
reviews_count: 13
category: "Uanofcn"
url: https://www.desertcart.sc/products/378969803-8m6000359-float-fuel-switch-sensor-for-mercury-for-mariner-outboard
store_origin: SC
region: Seychelles
---

# Fits 75-300 HP Mercury/Mariner motors Automatic float switch for seamless fuel control OE-spec plastic build for durability 8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank

**Brand:** uanofcn
**Price:** ₨787
**Availability:** ✅ In Stock

## Summary

> ⛵ Keep your Mercury motor fueled flawlessly—never miss a wave!

## Quick Answers

- **What is this?** 8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank by uanofcn
- **How much does it cost?** ₨787 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/378969803-8m6000359-float-fuel-switch-sensor-for-mercury-for-mariner-outboard)

## Best For

- uanofcn enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit for Power:** Specifically engineered for Mercury 75-115 HP EFI & Verado 135-300 HP outboards, ensuring flawless compatibility.
- • **Trusted Replacement Part:** OEM part numbers matched for guaranteed reliability and peace of mind on every trip.
- • **Quick & Easy Installation:** Vehicle-specific fit and tank mount design make replacement a breeze—get back on the water faster.
- • **Effortless Fuel Management:** Automatic float switch sensor guarantees smooth fuel delivery, eliminating hiccups on your next voyage.
- • **Durable OE-Grade Construction:** Crafted from high-quality plastic with machined exterior for long-lasting performance under marine conditions.

## Overview

The UANOFCN 8M6000359 Float Fuel Switch Sensor is a precision replacement part designed for Mercury and Mariner outboard motors ranging from 75 to 300 HP. Built to OE specifications with durable plastic and a machined exterior, this automatic float switch ensures reliable fuel delivery and easy installation. Perfect for maintaining peak engine performance and avoiding fuel-related interruptions on the water.

## Description

Buy Uanofcn 8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank: Electric Fuel Pumps - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Perfect Replacement - This float switch was a perfect replacement on our Mercury 90 Four Stroke. Solved the fuel delivery problems we were experiencing at a reasonable price.
Review: A simple fix - This is exactly what I needed. I watched a utube video and then I ordered the float . Part showed up in just a few days. Install went great and took the boat out for a trial run , 35 miles and not even a hiccup.

## Features

- This Fuel Tank Float is for Mercury for Mariner and Race Outboards Engines
- Replaces for Mercury for Mariner 8M6000359, 8M0007943, 880596524, 880596522, 880596504
- Used on for Mercury 75-115 HP EFI and Verado 135-300 HP 4 stroke Outboard Motors
- Package Contains: 1pc Float Fuel Switch Sensor
- If you are not sure if the part fits your engine, please contact us or send us your engine model and we will get back to you as soon as possible

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09F2XMGP9 |
| Auto Part Position | Inside |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #369,802 in Automotive ( See Top 100 in Automotive ) #2,185 in Automotive Replacement Electric Fuel Pumps |
| Body Material | Plastic |
| Brand | UANOFCN |
| Customer Reviews | 4.3 4.3 out of 5 stars (65) |
| Date First Available | August 31, 2021 |
| Exterior | Machined |
| Fit Type | Vehicle Specific Fit |
| Gas Type | Gasoline |
| Inlet Connection Type | Hose Barb |
| Item Weight | 0.847 ounces |
| Item dimensions L x W x H | 2.95 x 1.38 x 2.2 inches |
| Item model number | 8M6000359 |
| Manufacturer | UANOFCN |
| Manufacturer Part Number | 8M6000359 |
| Material | Plastic |
| Model | Float Fuel Switch Sensor |
| Mounting Type | Tank Mount |
| OEM Part Number | Mercury Mariner 880596504, Mercury Mariner 880596522, Mercury Mariner 880596524, Mercury Mariner 8M0007943, Mercury Mariner 8M6000359 |
| Operation Mode | Automatic |
| Outlet Connection Type | Barb |
| Product Dimensions | 2.95 x 1.38 x 2.2 inches |
| Product Grade | Replacement Part |
| Special Features | Fuel float sensor, Rebuild the Fuel Module |
| Specification Met | OE |
| Style | Float Switch |
| UPC | 788934570430 |
| Vehicle Service Type | PWC |

## Product Details

- **Brand:** UANOFCN
- **Fit Type:** Vehicle Specific Fit
- **Item dimensions L x W x H:** 2.95 x 1.38 x 2.2 inches
- **Material:** Plastic
- **Vehicle Service Type:** PWC

## Images

![8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank - Image 1](https://m.media-amazon.com/images/I/617YnNJ40rL.jpg)
![8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank - Image 2](https://m.media-amazon.com/images/I/51flbsc7xFL.jpg)
![8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank - Image 3](https://m.media-amazon.com/images/I/51dvmY-CPJL.jpg)
![8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank - Image 4](https://m.media-amazon.com/images/I/51VRTRYu20L.jpg)
![8M6000359 Float Fuel Switch Sensor for Mercury for Mariner Outboard Motor 75 to 300 HP Tank - Image 5](https://m.media-amazon.com/images/I/71bV6yzui1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect Replacement
*by J***E on August 14, 2024*

This float switch was a perfect replacement on our Mercury 90 Four Stroke. Solved the fuel delivery problems we were experiencing at a reasonable price.

### ⭐⭐⭐⭐⭐ A simple fix
*by D***N on September 6, 2023*

This is exactly what I needed. I watched a utube video and then I ordered the float . Part showed up in just a few days. Install went great and took the boat out for a trial run , 35 miles and not even a hiccup.

### ⭐⭐⭐⭐ Float fuel switch sensor
*by M***J on December 12, 2025*

It fits the description on Amazon I will post a video when I install

## Frequently Bought Together

- Uanofcn 8M6000359 Float Fuel Switch Sensor for Mercury Mariner Outboard Motor 75 to 300 HP Tank
- REPLACEMENTKITS.COM Brand Fuel Supply Module Seal Kit Compatible with Mercury 75-350 HP 2003 & Up ONLY Some Models Replaces 26-880596A01
- QFS OEM Fuel Pressure Regulator Replacement for Mariner/Mercruiser/Mercury 135, 150, 175, 200, 7F75413ZD, 7F80413ZB, 7F80413ZF, 7F90413ZD, 2006-2007, OEM 880596503 892681 880596T58

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**Shop now:** [https://www.desertcart.sc/products/378969803-8m6000359-float-fuel-switch-sensor-for-mercury-for-mariner-outboard](https://www.desertcart.sc/products/378969803-8m6000359-float-fuel-switch-sensor-for-mercury-for-mariner-outboard)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-21*