---
product_id: 5311764
title: "Mercury 18458T4 Water Separating Fuel Filter with Blue Sensor for 1996 and Later Mercury or Mariner V6 EFI/DFI Outboards"
brand: "mercury"
price: "S$63"
currency: SGD
in_stock: true
reviews_count: 8
url: https://www.desertcart.sg/products/5311764-mercury-18458t4-water-separating-fuel-filter-with-blue-sensor-1996
store_origin: SG
region: Singapore
---

# Marine-grade durability Water-separating tech Blue screw-in sensor Mercury 18458T4 Water Separating Fuel Filter with Blue Sensor for 1996 and Later Mercury or Mariner V6 EFI/DFI Outboards

**Brand:** mercury
**Price:** S$63
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of the tide with Mercury’s water-separating fuel filter!

## Quick Answers

- **What is this?** Mercury 18458T4 Water Separating Fuel Filter with Blue Sensor for 1996 and Later Mercury or Mariner V6 EFI/DFI Outboards by mercury
- **How much does it cost?** S$63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/5311764-mercury-18458t4-water-separating-fuel-filter-with-blue-sensor-1996)

## Best For

- mercury enthusiasts

## Why This Product

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

## Key Features

- • **Compact Marine Design:** Space-saving canister fits perfectly under the cowl of Mercury/Mariner V-6 EFI/DFI engines.
- • **Lightweight & Durable:** Only 0.84 lbs with rugged plastic housing designed for harsh marine environments.
- • **OEM Certified Quality:** Built to Mercury’s exacting standards for reliable, long-lasting performance.
- • **Integrated Blue Sensor:** Real-time water detection for proactive maintenance and peace of mind.
- • **Precision Water Separation:** Keep your engine running clean and smooth with advanced water separation.

## Overview

The Mercury Fuel Filter Water Separating Fuel Filter is a new, OEM-grade canister designed specifically for Mercury/Mariner V-6 EFI/DFI outboard engines (1996+). Featuring a blue screw-in sensor for water detection, it ensures optimal engine performance by removing water from fuel. Compact, lightweight (0.84 lbs), and built with durable plastic, it fits seamlessly under the cowl, delivering reliable marine-grade filtration.

## Description

Water separating fuel filter with the blue screw‑in sensor.Located under the cowl on all Mercury/Mariner V-6 EFI/DFI outboard engines, 1996 and newer.

## Features

- new

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MERCURY |
| Product Grade | New |
| Outer Material | Plastic |
| Vehicle Service Type | Marine Outboard Engine |
| Item Weight | 13.44 ounces |
| Style | Canister |
| Manufacturer | MERCURY |
| OEM Part Number | 35 18458T 4 |
| UPC | 745061037502 |
| Model | Mercury |
| Item Weight | 13.4 ounces |
| Product Dimensions | 3.3 x 3.2 x 5.1 inches |
| Item model number | 35-18458T4 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 18458Q4 |

## Product Details

- **Brand:** MERCURY
- **Product Grade:** New
- **Outer Material:** Plastic
- **Vehicle Service Type:** Marine Outboard Engine
- **Item Weight:** 13.44 ounces

## Images

![Mercury 18458T4 Water Separating Fuel Filter with Blue Sensor for 1996 and Later Mercury or Mariner V6 EFI/DFI Outboards - Image 1](https://m.media-amazon.com/images/I/71UH5rzCIJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great buy
*by A***R on January 6, 2025*

Great buy for a maintenance item on your outboard engine. It’s OEM and much cheaper here than at your local marine store. I like to keep one on hand, because with todays gasoline it’s just a matter of when you will need one.

### ⭐⭐⭐⭐⭐ 1995 Mercury XRi 150 HP fuel filter
*by G***W on August 25, 2025*

1995 Mercury XRi 150 HP, exactly the fuel/water filter separator I needed. Ordered others and they weeebtoo large. Only thing I had to do was reuse the original sensor that threads into the bottom since this newer style has a slightly different tip on it and the plug doesn’t clip onto it like it should.MAKE SURE TO RELIEVE FUEL PRESSURE before unscrewing lol.

### ⭐⭐⭐⭐⭐ Quality
*by D***S on June 14, 2025*

Quality

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**Shop now:** [https://www.desertcart.sg/products/5311764-mercury-18458t4-water-separating-fuel-filter-with-blue-sensor-1996](https://www.desertcart.sg/products/5311764-mercury-18458t4-water-separating-fuel-filter-with-blue-sensor-1996)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-05-23*