--- product_id: 287411211 title: "Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle)" brand: "fleetguard" price: "฿7568" currency: THB in_stock: true reviews_count: 5 category: "Fleetguard" url: https://www.desertcart.co.th/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single store_origin: TH region: Thailand --- # Integrated drain & sensor port for easy maintenance Largest OD 93.73 mm for max filtration Thread Size 1-14 UNS-2B for secure fit Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) **Brand:** fleetguard **Price:** ฿7568 **Availability:** ✅ In Stock ## Summary > ⚡ Power your engine’s purity with Fleetguard’s precision spin-on separator! ## Quick Answers - **What is this?** Fleetguard Fuel/Water Sep Spin-On FS1003 ( SIngle) by fleetguard - **How much does it cost?** ฿7568 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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 - • **Sensor-Ready Design:** Equipped with reusable sensor port compatible with Deutz square sensors for real-time monitoring - • **Durable Metal Construction:** Robust metal build guarantees long-lasting performance under demanding conditions - • **Advanced Fuel/Water Separation:** Spin-on design with built-in drain and sensor port keeps your engine running clean and efficient - • **Easy Installation & Upgrade Path:** Thread size 1-14 UNS-2B and standpipe included for hassle-free setup; upgrade with FS19596 when needed - • **Precision Fit for Cummins Engines:** Seamlessly replaces Cummins 3406889 ensuring perfect compatibility ## Overview The Fleetguard FS1003 Fuel/Water Separator Spin-On filter offers a durable metal construction with a large 93.73 mm outer diameter and 248.16 mm height, designed specifically for Cummins engines. Featuring a 1-14 UNS-2B thread size, integrated drain, and sensor port compatible with Deutz square sensors, it ensures efficient fuel filtration and easy maintenance. Highly rated by professionals, this filter guarantees reliable engine protection and seamless installation. ## 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: Items were packaged in individual boxes and was delivered one day early, was very satisfied with this order ## 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 Name | Fleetguard | | Customer Reviews | 4.8 4.8 out of 5 stars (208) | | Item Dimensions | 31.3 x 28.3 x 21.1 centimeters | | Item Weight | 0.64 Pounds | | Manufacturer | Fleetguard | | Material Type | Metal | | Model | FS1003 | | 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:** 0.64 Pounds - **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) ## 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 J***E on 14 February 2026* Items were packaged in individual boxes and was delivered one day early, was very satisfied with this order ### ⭐⭐⭐⭐⭐ 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single](https://www.desertcart.co.th/products/287411211-fleetguard-fuel-water-sep-spin-on-fs1003-single) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-23*