FF185 spin-on fuel filter

1. Product Overview

Fleetguard FF185 spin‑on fuel filter is a high‑performance primary fuel filtration solution designed for heavy‑duty diesel powertrains. Built with premium filter media and robust housing, it provides reliable contaminant removal and water separation to keep fuel systems clean and efficient.

2. Key Features

• High Filtration Efficiency: Nominal rating 8.6 μm, 97% efficiency per SAE J1985, effectively captures harmful particles.

• Spin‑On Design: Tool‑free installation, secure sealing, easy maintenance.

• Premium Construction: Durable housing resists pressure, vibration, and corrosion for harsh working conditions.

• Water Separation: Helps separate water from diesel to prevent injector corrosion and engine damage.

• OEM Compatibility: Direct replacement for original equipment, no modification needed.

3. Specifications

• Part Number: FF185

• Brand: Fleetguard（Cummins Filtration）

• Type: Primary spin‑on fuel filter

• Thread: 1"‑14 UNS‑2B

• Overall Height: ~176.3 mm (6.94 in)

• Outer Diameter: ~93.5 mm (3.68 in)

• Nominal Filtration Rating: 8.6 μm

• Fuel Type: Diesel

• Service: Heavy‑duty trucks, industrial engines, generators, construction equipment

4. Compatible Models

• Cummins: NH855, NT855, N14, V28, V504, V555, V903, VT903

• Caterpillar: 3304, 3306, 1673, 1674 and other series

• Freightliner, Peterbilt, Kenworth heavy‑duty trucks

• Industrial generators, agricultural machinery, construction equipment

5. Cross Reference

• Baldwin: BF970

• Caterpillar: 1P‑2299

• Other equivalent OEM numbers available upon request

6. Benefits

• Protects fuel injection pumps and injectors from wear and clogging

• Improves fuel combustion, boosts power output and fuel economy

• Extends engine service life and reduces downtime

• Stable performance under high pressure and heavy load

• Genuine Fleetguard quality, consistent and reliable

7. Application Notes

• Recommended replacement interval: Follow engine manufacturer’s service schedule

• Suitable for off‑highway, marine, generator, and commercial truck diesel systems

• Always use genuine Fleetguard filters to maintain warranty and performance