FS19581 Fuel Water Separator Filter Replacement
Professional-grade direct replacement for Fleetguard FS19581 fuel water separator filters. Engineered for heavy-duty diesel engines to remove water and contaminants effectively.
Key Features
- ✔ Multi-layer filtration media captures 99% of water and 5-micron particles
- ✔ Corrosion-resistant steel casing withstands 500+ psi pressure
- ✔ Silicone gasket ensures perfect seal in extreme temperatures (-40°F to 257°F)
- ✔ ISO 9001 certified manufacturing with 100% quality inspection
- ✔ 12-month performance warranty against defects

Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | FS19581 |
| Outer Diameter | 3.03 inch (76.9 mm) |
| Thread Size | M16 x 1.5 |
| Length | 4.01 inch (101.8 mm) |
| Gasket OD | 2.76 inch (70.2 mm) |
| Gasket ID | 2.38 inch (60.5 mm) |
Cross Reference Compatibility
Our FS19581 fuel water separator directly replaces these OEM part numbers:
- ✓ Baldwin BF1257
- ✓ Bobcat 6560348
- ✓ Donaldson P551039
- ✓ Mann WK715/1x
- ✓ Wix 33192
- ✓ New Holland 86504140
- ✓ Hengst H187WK
- ✓ Sakura SFC-7908
What Our B2B Customers Say
"Consistent quality across 5+ orders. Our heavy equipment clients report zero water-related fuel issues since switching to these filters."
- Midwest Truck Parts
"Perfect Fleetguard alternative at 30% lower cost. Packaging and lead times are excellent for our wholesale business."
- Global Filter Supply
"Custom branding option helped differentiate our inventory. The ODM team delivered exactly what we needed."
- Euro Diesel Solutions
OEM/ODM Services Available
As a professional filter manufacturer with 15+ years experience, we offer:
- • Private labeling with your brand and packaging
- • Custom filtration specifications (media type, micron rating, etc.)
- • MOQ as low as 60pcs for standard models
- • Bulk purchasing discounts for orders over 500 units
- • Flexible shipping options including EXW, FOB, CIF
Frequently Asked Questions
Q: What's the recommended service interval for this fuel water separator?
A: Under normal operating conditions, we recommend replacement every 15,000 miles or 500 engine hours. Severe service (high dust/water conditions) may require more frequent changes.
Q: Do you provide test reports for filtration efficiency?
A: Yes, upon request we can provide ISO 4020 fuel filter test reports showing 95% water separation efficiency at rated flow.
Q: What's your production capacity for OEM orders?
A: Our automated production line can manufacture 20,000+ units monthly with consistent quality control.
Contact Our Sales Team
Ready to order or need a custom quote? Our filter specialists are available 24/7:
- WhatsApp: +86 18965520297
- WeChat: +86 18965520297
- Email: Sales@parts-machining.com
Serving distributors and wholesalers worldwide since 2008. Request your wholesale price list today!
















