FS20081 Fuel/Water Separator for Cummins ISB, ISL & Detroit DD5, DD8 Engines
FS20081 fuel water separator for Cummins ISB, ISL (2017+) & Detroit DD5/DD8 engines. Fits DAVCO Diesel Pro 245 housing. Cross reference PF46171, L20081.
Description
⚠️ This filter fits DAVCO Diesel Pro 245 fuel processor housings only — it is NOT compatible with Diesel Pro 243, 482, 483, 485, or Fuel Pro 385/386/387/388 housings.
The FS20081 fuel water separator is a cartridge-style filter element using EleMax media with a three-stage water removal structure, designed for Cummins ISB, ISL, B6.7, L9 (2017 and newer) and Detroit DD5, DD8 engines. It includes a patented control valve for full use of the filter element and is a direct replacement for the OEM element found in DAVCO Diesel Pro 245 fuel processor housings. IXIN Filter manufactures this filter to OEM-equivalent specifications, giving distributors and fleet operators a reliable, factory-direct alternative for scheduled fuel filter replacement.
As an IATF 16949-certified filter manufacturer, IXIN supplies the FS20081 fuel water separator to distributors and service centers in 60+ countries, with consistent batch quality and full traceability for bulk and OEM orders.
Product Specifications
| Attribute | Detail |
|---|---|
| Product Type | Cartridge-Style Fuel/Water Separator Element |
| Largest Outer Diameter | 7.34 in (186.4 mm) |
| Length/Height | 4 in (101.6 mm) |
| Media Type | EleMax, three-stage water removal structure |
| Micron Rating | 10 microns |
| Housing Compatibility | DAVCO Diesel Pro 245 only |
| Certification | IATF 16949 |
Compatible Engines
- Cummins ISB (2017+)
- Cummins ISL (2017+)
- Cummins B6.7 (2017+)
- Cummins L9 (2017+)
- Detroit Diesel DD5
- Detroit Diesel DD8
⚠️ Note: This filter element is specifically designed for DAVCO Diesel Pro 245 fuel processor housings. It is not compatible with Diesel Pro 243, 482, 483, 485, or Fuel Pro 385/386/387/388 housings. Verify your fuel processor model before ordering.
FS20081 Cross Reference / OE Replacement Numbers
The FS20081 fuel water separator is a direct cross reference and replacement for the following OE and aftermarket part numbers:
| Brand / Source | Part Number |
|---|---|
| Fleetguard/Cummins Filtration | FS20081 |
| Detroit Diesel OE | A0000904851 |
| Freightliner OE | A245007 |
| Baldwin | PF46171 |
| Luber-finer | L20081 / L20081F |
Why Choose IXIN’s FS20081 Fuel Water Separator
- Three-Stage Water Removal — EleMax media with a three-stage structure tackles the severe challenges of water contamination in modern diesel fuel systems.
- Patented Control Valve Design — Ensures full use of the filter element throughout its service life, maximizing the value of each filter change.
- Purpose-Built for DAVCO Diesel Pro 245 — Engineered as a direct replacement for the OEM element in this specific fuel processor housing, ensuring proper fit and function.
- OEM-Equivalent Fit — Manufactured to match OE dimensions for the FS20081, supporting drop-in compatibility for Cummins ISB/ISL and Detroit DD5/DD8 applications.
- Factory-Direct Supply — As a manufacturer (not a trading company), IXIN offers stable lead times and customization options for private label, packaging and media specification. For guidance on verifying cross reference numbers before a bulk order, see our fuel filter cross reference guide.
Installation & Maintenance Notes
For Cummins ISB/ISL and Detroit DD5/DD8 engines using the FS20081 fuel/water separator in a DAVCO Diesel Pro 245 housing, general service steps include:
- Drain any accumulated water from the housing before removing the old filter element.
- Relieve fuel system pressure before removing the filter cartridge.
- Lightly oil the new gasket with clean diesel fuel before installation to ensure a proper seal.
- Install the new FS20081 element into the DAVCO Diesel Pro 245 housing per the housing’s specific installation procedure.
- Prime the fuel system per OEM procedure before restarting the engine.
- Follow your specific engine’s recommended service interval.
FAQ
Q: Will the FS20081 fit my DAVCO Diesel Pro 243 or Fuel Pro housing? A: No. The FS20081 is specifically designed for DAVCO Diesel Pro 245 housings only. It is not compatible with Diesel Pro 243, 482, 483, 485, or Fuel Pro 385/386/387/388 housings. Verify your fuel processor model before ordering.
Q: Is the FS20081 compatible with both Cummins and Detroit Diesel engines? A: Yes. The FS20081 is used across Cummins ISB, ISL, B6.7, L9 (2017+) and Detroit DD5, DD8 engines, all sharing the same DAVCO Diesel Pro 245 fuel processor housing.
Q: What’s the difference between IXIN’s FS20081 and the OEM Fleetguard filter? A: IXIN manufactures this filter to match OEM dimensions and the three-stage water removal media design. The main difference is price and lead time — IXIN offers factory-direct pricing for bulk and OEM orders without compromising fit or filtration performance.
Q: Can I order the FS20081 with custom packaging or private label? A: Yes. IXIN supports customized packaging, labeling and media specifications for distributors and private-label buyers. Contact our sales team with your requirements.
Q: What is the minimum order quantity (MOQ)? A: MOQ varies by customization level. Get in touch with us via WhatsApp or email for current MOQ and lead time on the FS20081 fuel water separator.
