---
product_id: 287411211
title: "Fuel/Water Sep Spin-On FS1003 ( SIngle)"
brand: "fleetguard"
price: "4280339₫"
currency: VND
in_stock: true
reviews_count: 5
category: "Fleetguard"
url: https://www.desertcart.vn/products/287411211-fuel-water-sep-spin-on-fs1003-single
store_origin: VN
region: Vietnam
---

# Largest OD 93.73 mm precision fit Overall Height 248.16 mm optimized size Thread Size 1-14 UNS-2B secure seal Fuel/Water Sep Spin-On FS1003 ( SIngle)

**Brand:** fleetguard
**Price:** 4280339₫
**Availability:** ✅ In Stock

## Summary

> ⛽ Elevate your engine’s defense with Fleetguard’s precision spin-on separator!

## Quick Answers

- **What is this?** Fuel/Water Sep Spin-On FS1003 ( SIngle) by fleetguard
- **How much does it cost?** 4280339₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/287411211-fuel-water-sep-spin-on-fs1003-single)

## Best For

- fleetguard enthusiasts

## Why This Product

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

## Key Features

- • **Easy Maintenance:** Convenient drain feature simplifies water separation and filter servicing.
- • **Durable Spin-On Design:** Robust metal construction with reusable sensor for long-lasting performance.
- • **Integrated Sensor Port:** Built-in sensor port supports Deutz square sensor for real-time monitoring.
- • **Trusted Genuine Quality:** Fleetguard’s A+ rated product with 4.8-star customer satisfaction ensures reliability.
- • **Precision Engineered Fit:** Largest outer diameter ensures seamless compatibility with Cummins engines.

## Overview

The Fleetguard FS1003 Fuel/Water Separator Spin-On filter features a large 93.73 mm outer diameter and 248.16 mm height for optimal fit on Cummins engines. It includes a sensor port compatible with Deutz square sensors and a reusable sensor, all housed in a durable metal spin-on design with a convenient drain for easy maintenance. Trusted by professionals, it replaces Cummins 3406889 and is highly rated for reliability and performance.

## Description

Fuel/Water Separator Spin-on with Drain, Sensor Port and Reusable Sensor Notes: CAUTION: Furnished O-Ring must be installed on post for seal. For use with Deutz square sensor. NOT Interchangeable with BF1272-SPS. Contains: Sensor Port Thread: M14 x 2.0 Standpipe Fits: Cummins Engines Replaces: Cummins 3406889 Donaldson P551003 Fleetguard FS1003 Dimensions: Thread: 1-14 O.D.: 3 11/16 (93.7) Length: 10 1/32 (254.8)

Review: Fit my Cummins 8.3 ISC perfectly.
Review: it works

## Features

- Largest OD 93.73 mm (3.69 in)
- Overall Height 248.16 mm (9.77 in)
- Thread Size 1-14 UNS-2B
- Standpipe YES
- For Upgrade use FS19596, Same as Cummins 3406889

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B073DCW2JY |
| Are Batteries Included | No |
| Brand | Fleetguard |
| Customer Reviews | 4.8 4.8 out of 5 stars (204) |
| Date First Available | 29 October 2012 |
| Item Weight | 290 g |
| Item model number | FS1003 |
| Manufacturer | Fleetguard |
| Product Dimensions | 31.29 x 28.27 x 21.13 cm; 290.3 g |

## Product Details

- **Brand:** Fleetguard
- **Item dimensions L x W x H:** 31.3 x 28.3 x 21.1 centimeters
- **Item weight:** 0.64 Pounds
- **Material:** Metal
- **Style:** Spin-On

## Images

![Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 1](https://m.media-amazon.com/images/I/519ABR64KwL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***N on 18 October 2025*

Fit my Cummins 8.3 ISC perfectly.

### ⭐⭐⭐⭐⭐ Review
*by W***N on 25 July 2025*

it works

### ⭐⭐⭐⭐⭐ Review
*by M***. on 28 September 2019*

Purchased this to do a annual service on my Cummins ISL9 on my 2017 Tiffin. Great price and easy to install. Saved a ton of money doing it myself.

## Frequently Bought Together

- Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle)
- Cummins Filtration LF9009 Oil/Lube Filter, 1 Pack
- Fleetguard FF5488 Fuel Filter For Cummins 3959612, 98.7% Efficiency, 5-Micron Rating, 7/8-14 UNF-2B Thread Size, 6.92"H x 3.68"OD

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**Shop now:** [https://www.desertcart.vn/products/287411211-fuel-water-sep-spin-on-fs1003-single](https://www.desertcart.vn/products/287411211-fuel-water-sep-spin-on-fs1003-single)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-25*