---
product_id: 287411211
title: "Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle)"
brand: "fleetguard"
price: "45639 Ft"
currency: HUF
in_stock: true
reviews_count: 5
category: "Fleetguard"
url: https://www.desertcart.hu/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single
store_origin: HU
region: Hungary
---

# Largest OD 93.73 mm precision fit Overall Height 248.16 mm engineered for optimal space Thread Size 1-14 UNS-2B secure, leak-proof connection Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle)

**Brand:** fleetguard
**Price:** 45639 Ft
**Availability:** ✅ In Stock

## Summary

> ⛽ Stay ahead with the ultimate fuel/water separator – precision, power, and peace of mind!

## Quick Answers

- **What is this?** Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) by fleetguard
- **How much does it cost?** 45639 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/287411211-fleetguard-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

- • **Robust Thread Design:** 1-14 UNS-2B thread size guarantees a secure, leak-resistant seal every time.
- • **Precision Engineered Fit:** Designed with a 93.73 mm outer diameter for seamless integration with Cummins engines.
- • **Trusted Fleetguard Quality:** Genuine Fleetguard product with 4.8-star rating, engineered to replace Cummins 3406889 and Donaldson P551003 flawlessly.
- • **Integrated Sensor Port & Drain:** Built-in sensor port compatible with Deutz square sensors plus a convenient drain for maintenance ease.
- • **Optimized Height for Space Efficiency:** Compact 248.16 mm height ensures easy installation without compromising performance.

## Overview

The Fleetguard FS1003 Fuel/Water Separator Spin-On is a high-precision, durable filter designed for Cummins engines. Featuring a 93.73 mm outer diameter, 248.16 mm height, and a secure 1-14 UNS-2B thread, it includes a sensor port compatible with Deutz sensors and a reusable sensor drain. Trusted by professionals, it replaces Cummins 3406889 and Donaldson P551003, ensuring reliable fuel system protection and maintenance ease.

## 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: Genuine FleetGuard product - Fit my Cummins 8.3 ISC perfectly.
Review: Good - Todo bien

## 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 |
| Brand | Fleetguard |
| Brand Name | Fleetguard |
| Customer Reviews | 4.8 out of 5 stars 217 Reviews |
| Item Dimensions | 31.3 x 28.3 x 21.1 centimeters |
| Item Weight | 0.64 Pounds |
| Item dimensions L x W x H | 31.3 x 28.3 x 21.1 centimeters |
| Item weight | 0.64 Pounds |
| Manufacturer | Fleetguard |
| Material | Metal |
| Material Type | Metal |
| Model | FS1003 |
| Number of Items | 1 |
| Part Number | FS1003 |
| Style | Spin-On |
| Style Name | Spin-On |
| UPC | 653341383969 |

## Product Details

- **Brand:** Fleetguard
- **Item dimensions L x W x H:** 31.3 x 28.3 x 21.1 centimeters
- **Item weight:** 290 g
- **Material:** Metal
- **Style:** Spin-On

## Images

![Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 1](https://m.media-amazon.com/images/I/519ABR64KwL.jpg)
![Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 2](https://m.media-amazon.com/images/I/51EEOBwMpwL.jpg)
![Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 3](https://m.media-amazon.com/images/I/610xfwZeWIL.jpg)
![Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 4](https://m.media-amazon.com/images/I/61MBe1+4clL.jpg)
![Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) - Image 5](https://m.media-amazon.com/images/I/61AghbjP8sL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Genuine FleetGuard product
*by S***N on 18 October 2025*

Fit my Cummins 8.3 ISC perfectly.

### ⭐⭐⭐⭐⭐ Good
*by J***. on 25 June 2026*

Todo bien

### ⭐⭐⭐⭐⭐ was important that part fit exact and it did and was received in good order
*by J***M on 14 February 2026*

Items were packaged in individual boxes and was delivered one day early, was very satisfied with this order

## 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.hu/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single](https://www.desertcart.hu/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-08-14*