Boat-Ready Marine Fuel Water Separator Element For R12T Diesel Filter With 120AT NPT ZG1/4-19 Fittings, Replaces S3240, 18-7987, RK10222, High-Flow Diesel Engine Water Separator Element, Pack Of 3

High-flow marine fuel water separator element, pack of 3
✔️ Replaces S3240, 18-7987, RK10222; fits 120AT NPT connections

This marine fuel water separator element is built for diesel engines on boats. It cleans fuel by removing water and particulates, protecting fuel injectors and pumps in both outboard and inboard marine applications.

✅ Filtration micron: 10 micron
✅ Thread sizes: M18*1.5 (head), M60*2.5 (bowl)
✅ Flow rate: 15 GPH on the R12T model
✅ Fits 3/8 Inch NPT Outboard Motors
✅ Replaces S3240, 18-7987, RK10222

💡 What is a fuel water separator element used for in marine diesel engines and how does it work?

It helps keep fuel clean and water-free, protecting critical fuel components and improving reliability.

- removes water and particulates from diesel fuel
- keeps injectors and fuel pumps safe from wear
- supports easier starts and smoother running in marine environments
- designed to fit 120AT NPT connections
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