FF5776 Secondary Fuel Filter for Cummins ISX, ISX15 Engines
FF5776 (2893612) secondary fuel filter for Cummins ISX, ISX15, 11.9L/15L/16L engines. Cross reference 2864993, BF9885, P555776. Factory direct pricing.
Description
The FF5776 fuel filter (Cummins part number 2893612) is a heavy-wall steel spin-on secondary fuel filter designed for Cummins ISX, ISX15, ISX11.9L, 15L and 16L engines, commonly found on 2010-era Cummins-powered heavy-duty trucks. It uses StrataPore filtration media to protect high-pressure common-rail injectors from fine particulate contamination. IXIN Filter manufactures this filter to OEM-equivalent specifications, giving fleets and dealers a reliable, factory-direct alternative for scheduled fuel filter replacement.
As a TS16949-certified filter manufacturer, IXIN supplies the FF5776 fuel filter to distributors, fleet operators and service centers in 60+ countries, with consistent batch quality and full traceability for bulk and OEM orders.
Product Specifications
| Attribute | Detail |
|---|---|
| Product Type | Spin-on Secondary Fuel Filter |
| Largest Outer Diameter | 119.89 mm (4.72 in) |
| Overall Height | 226.52 mm (8.918 in) |
| Gasket Inside Diameter | 101.6 mm (4 in) |
| Thread Size | M90 x 2-7H INT |
| Media Type | StrataPore high-efficiency filtration media |
| Filtration Efficiency | 98.7% at 5 microns (per SAE J1985) |
| Certification | TS16949 |
Compatible Engines & Vehicles
- Cummins ISX (2010 model year)
- Cummins ISX15
- Cummins ISX11.9L
- Cummins 15L and 16L engine variants
- Heavy-duty trucks equipped with the above 2010-era Cummins ISX engine platform
Note: This is the 2010-era ISX secondary filter. For 2020+ Cummins X15/X12 engines, the current replacement is the FF5825NN — confirm your engine’s production year before ordering to avoid a mismatch.
FF5776 Cross Reference / OE Replacement Numbers
The FF5776 fuel filter is a direct cross reference and replacement for the following OE and aftermarket part numbers:
| Brand / Source | Part Number |
|---|---|
| Cummins OE | 2893612 |
| Cummins OE (alt.) | 2864993 |
| Cummins OE (alt.) | 3685306 |
| Cummins OE (alt.) | 4331007 |
| Cummins OE (alt.) | 5365988 |
| Baldwin | BF9885 |
| Donaldson | P555776 |
| WIX | WF10123 |
| NAPA | 600123 |
| Carquest | 96498 |
| Luber-Finer | LFF6776 |
Note: For an upgraded, extended-service version on the same mount, Cummins offers the FF5825NN (NanoNet media) as a direct interchangeable upgrade — confirm with your fleet whether the upgraded media is preferred for your maintenance interval.
Why Choose IXIN’s FF5776 Fuel Filter
- Heavy-Wall Steel Construction — Built to withstand the pressure and vibration demands of high-pressure common-rail fuel systems on heavy-duty diesel engines.
- High Filtration Efficiency — Rated at 98.7% efficiency at 5 microns per SAE J1985, protecting sensitive injector components from fine particulate contamination.
- OEM-Equivalent Fit — Manufactured to match OE thread specification (M90 x 2-7H INT) and dimensions, ensuring drop-in compatibility for Cummins ISX/ISX15 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.
- Bulk & OEM Pricing — Volume discounts available for fleet operators, distributors and workshops. For guidance on verifying cross reference numbers before a bulk order, see our fuel filter cross reference guide, and for a deeper look at what separates a well-tested aftermarket filter from a risky one, see our guide on OEM vs aftermarket fuel filters.
Installation & Maintenance Notes
For Cummins ISX/ISX15 engines using this secondary fuel filter, general service steps include:
- Relieve fuel system pressure before removing the old filter.
- Lightly oil the new gasket with clean diesel fuel before installation to ensure a proper seal.
- Hand-tighten per manufacturer torque specification for the M90 x 2-7H INT thread — avoid over-tightening, which can damage the gasket seal.
- Prime the fuel system per OEM procedure before restarting the engine.
- Follow your specific engine’s recommended service interval — always confirm against your Cummins maintenance schedule and duty cycle.
FAQ
Q: Will the FF5776 fit newer Cummins X15 engines? A: No — this filter is designed for the 2010-era Cummins ISX/ISX15 platform. For 2020+ X15/X12 engines, the current replacement is the FF5825NN. Confirm your engine’s production year before ordering.
Q: What’s the difference between IXIN’s FF5776 and the OEM Cummins filter? A: IXIN manufactures this filter to match OEM dimensions, thread specification and the 98.7% filtration efficiency rating. 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 FF5776 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 FF5776 fuel filter.





