Y.4-467/5 Replacement FAUDI Coalescing Filter For Aviation Fuel & Industrial Diesel Filtration

1. Product Overview & Market Positioning

The Y.4-467/5 is a high-precision Y-series coalescing filter element independently developed by FAUDI, specially designed for aviation fuel

systems and industrial diesel purification equipment. Our aftermarket Y.4-467/5 filter is a fully verified drop-in replacement for the original

FAUDI filter cartridge. Strictly manufactured in accordance with EI 1581 6th Edition aviation filtration standards and original OEM dimensional

tolerances, it completely matches the assembly structure and operating logic of original equipment. Aiming at the pain points of high import

prices, long delivery cycles and insufficient spot supply of genuine FAUDI parts, this alternative filter maintains professional-grade oil-water

coalescing and impurity removal performance while greatly reducing procurement costs. It is the preferred stable and cost-effective

consumable solution for global aviation facilities, diesel refueling systems and industrial fluid filtration projects.

2. Differentiated Product Advantages

Different from ordinary low-precision generic filters and expensive original parts, our Y.4-467/5 replacement filter has unique practical

advantages in high-standard fuel filtration scenarios:

- Aviation-Grade Qualified Performance: Fully meets authoritative EI 1581 aviation filtration standards, stably removes emulsified water, free water and micro particles, with no performance gap compared with original filters

- Zero-Modification Direct Replacement: 100% consistent size, interface and installation precision with genuine parts, supporting plug-and-play

use, saving on-site installation and debugging costs

- High Cost-Performance Ratio: Eliminates expensive import tariffs and logistics premiums, effectively reducing long-term equipment

maintenance and consumable replacement costs for enterprises

- Stable Batch Consistency: Strict batch production inspection avoids performance fluctuation of low-cost substitutes, ensuring long-term stable

operation of the filtration system

3. Professional Application Scenarios

This Y.4-467/5 coalescing filter is highly targeted, focusing on high-standard fuel purification fields with strict water and impurity removal

requirements:

(1)Aviation kerosene purification and airport refueling equipment filtration systems

(2)Industrial diesel fuel precision filtration and oil-water separation treatment

(3)Oil depot storage, transportation and terminal finished oil purification projects

(4)Low-viscosity hydrocarbon fluid filtration and mechanical equipment fuel supply purification

4.Optional Available Models

-Series A / Y Series

A.1-559, A.1-842, A.3-842, A.4-727, A.6-467, A.6-842

Y.1-842/5, Y.4-467/5, Y.4-559/5, Y.4-842/5, Y.6-362/5, Y.6-559/5, Y.7-362/5, Y.7-842/5, Y.7-1422/5

-MIL Series

MIL.1-842, MIL.3-467, MIL.3-559, MIL.3-842, MIL.3-965, MIL.4-279, MIL.4-362, MIL.4-559, MIL.4-727, MIL.4-842, MIL.4-965, MIL.4-1093,

MIL.4-1422, MIL.6-362, MIL.6-559, MIL.6-842, MIL.7-362, MIL.7-559, MIL.7-727, MIL.7-842, MIL.7-965, MIL.7-1093, MIL.7-1422

-K Series

K.1-842, K.3-467, K.3-559, K.3-842, K.3-965, K.4-279, K.4-362, K.4-559, K.4-727, K.4-842, K.4-965, K.4-1093, K.4-1422, K.7-362, K.7-559, K.7-727,

K.7-842, K.7-965, K.7-1093, K.7-1422

-P Series

P.1-842, P.3-467, P.3-559, P.3-842, P.3-965, P.4-279, P.4-362, P.4-559, P.4-727, P.4-842, P.4-965, P.4-1093, P.4-1422, P.7-362, P.7-559, P.7-727, P.7-842,

P.7-965, P.7-1093, P.7-1422

-D & DC Series

D.1-362, D.1-842, D.6-467

DC.1-842-xx, DC.4-279-xx, DC.4-362-xx, DC.4-559-xx, DC.4-727-xx, DC.4-842-xx, DC.4-1093-xx, DC.4-1422-xx, DC.7-362-xx, DC.7-559-xx,

DC.7-727-xx, DC.7-842-xx, DC.7-1093-xx, DC.7-1422-xx

FAQ

Q1: Do your filters fit original FAUDI housings?

A: Yes. 1:1 copied dimensions allow direct installation without equipment modification.

Q2: How about separation performance?

A: Same OEM-level precision and water removal efficiency, residual oil water below 5 ppm.

Q3: What’s their service life and working pressure?

A: Same dirt holding capacity as originals; replace at 1.0–1.7 bar, working temp -30℃~80℃.

Q4: Are different seal materials available?

A: Standard NBR, optional FKM for jet fuel, diesel and various chemical oils.

Q5: Can you make all FAUDI model replacements & how long is delivery?

A: Full series custom available. Standard models ship same day; custom ones take 3-7 days.

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