China Everlasting Parts Co., Ltd. is one of the most professional manufacturers and suppliers of ff5540 fuel filter in China. Welcome to wholesale original and genuine ff5540 fuel filter from our factory. Contact us for cheap products and OEM service.
FF5540 High-Precision Fuel Filter for Caterpillar and Mitsubishi Heavy Engines
Secondary Stage Micro-Filtration for Industrial Common-Rail Systems
Direct replacement for Caterpillar 1R0766 and Mitsubishi ME039817.
Safeguards high-pressure injectors against ultra-fine abrasive silt.
Thick-walled canister designed for high-vibration mining environments.
Competitive B2B lead times for global distributors and fleet hubs.
FF5540 Critical Fuel System Integrity
The FF5540 secondary fuel filter is engineered to remove micro-particulates and moisture that bypass primary separators. In heavy-duty architectures such as the Caterpillar 3600-series, even sub-micron debris can lead to injector fouling and catastrophic pump failure. By maintaining absolute fuel purity, this filter preserves the engine's power curve and prevents unplanned downtime in high-utilization mining and marine assets.
Resilient Seal Technology
Our FF5540 utilizes premium Nitrile (NBR) gaskets that maintain elasticity under extreme thermal cycling. This ensures a leak-proof interface, solving common starting issues and engine surging caused by air ingestion in the fuel line.
Synthetic-Blend Efficiency
Unlike standard cellulose media that may bypass under high pressure, our specialized high-capacity media maintains structural integrity. It is designed to resist chemical degradation from modern biodiesel blends up to B20.
FF5540 Technical Specifications
| Parameter Detail | Data Measurement |
|---|---|
| Filter Architecture | Spin-On Secondary Fuel Element |
| Outer Diameter (OD) | 93.6 mm |
| Thread / Inner Diameter | 25.4 mm |
| Overall Length (L) | 196.7 mm |
| Media Composition | High-Efficiency Synthetic Blend |
| Sealing Component | Industrial-Grade Nitrile (NBR) |
FF5540 Verified Interchange & Fitment
CROSS REFERENCE LOG
Fleetguard: FF5540 | Caterpillar: 1R0766, 1R-0766 | Donaldson: P554056
Mitsubishi: ME039817 | HiFi Filter: SN 40804 | Big A: 95427
FF5540 Technical FAQ
What is the recommended replacement frequency for FF5540?
Follow OEM intervals, typically 250-500 operating hours. For mining or high-contamination sites, proactive replacement is advised if fuel pressure drops occur.
Can this filter be used with Biodiesel blends?
Yes. Our media is fully compatible with standard diesel and Biodiesel blends up to B20, provided the equipment manufacturer supports its use.
Should FF5540 be used as a primary water separator?
No. The FF5540 is a secondary filter designed for fine particle removal. It should be paired with a primary fuel-water separator for optimal system health.
Request B2B Quotation
Connect with Engineering Sales:
WhatsApp/Wechat: +86 13328990097
Email: Sales@enginegensetparts.com
Certified ISO 9001:2015 | IATF 16949 Standards | www.enginegensetparts.com
Hot Tags: ff5540 fuel filter manufacturers, wholesale, aftermarket, genuine, original, cheap, OEM, replacement
