Fuel filter separator suitable for CAT
REDX

Fuel filter separator suitable for CAT

Catalog number:SKX505811RX Nr OEM:3636572 Manufacturer:REDX
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Fuel Water Separator Filter suitable for CAT C4.4 - 3636572

Technical Specification and Compatibility

Fuel filter (water separator element) with part number 3636572 from the REDX offer. This is a high-quality filter element used in modern Caterpillar (CAT) machines equipped with C4.4 series engines. This filter plays a key role in the fuel system, separating water from diesel fuel, which is essential for protecting precision injection systems in F-series machines (backhoe loaders) and other construction models.

Part Number: 3636572
Component Type: Fuel Water Separator Element
Outer Diameter: 81 mm
Height: 153 mm (element) / 191 mm (total with stem)
Engines: CAT C4.4
Application: Primary Fuel Filtration
Manufacturer: REDX

REDX filters use advanced filter media that effectively coalesce water molecules, allowing them to be separated in the sediment bowl. This prevents corrosion and seizure of the high-pressure pump and injectors in Common Rail systems.

Features of REDX 3636572 Filter

Effective Separation: Special filter material structure retains solid contaminants and precipitates water, which is the biggest enemy of modern diesel engines.
Fit for F-Series: The filter is dedicated to newer generation CAT machines (e.g., 428F, 432F backhoe loaders), ensuring full compatibility with the filter housing.
Element Design: The plastic stem/handle facilitates insertion and removal of the cartridge from the housing, which is important for field servicing.
High Capacity: Large active surface area of the filter allows for long operation without fuel pressure drop, even with lower quality fuel.

Application in CAT machinery

Category Models
Backhoe Loaders 416F, 416F2, 420F, 420F2, 428F, 428F2, 430F, 430F2, 432F, 432F2, 434F, 434F2, 440, 444F, 444F2, 450, 450F
Wheeled Excavators M314F, M316F, M323F
Tracked Excavators M315F, M317F
Track-Type Tractors D3K2 LGP, D3K2 XL, D4, D4K2 LGP, D4K2 XL, D5K2 LGP, D5K2 XL, D6K2, D6K2 LGP, D6K2 XL
Wheel Loaders 910M, 914M, 918M
Rollers & Compactors CB10, CB13, CB15, CB16, CB-44B, CB-54B, CB-64B, CB-66B, CB-68B, CCS9, CP11, CP12, CP14, CP16, CP-54B, CP-56B, CP-68B, CP-74B, CS11, CS12, CS14, CS16, CS19, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B, CW34, CW-34
Asphalt Pavers AP-300, AP-500E, AP500F, AP555, AP555F, AP600, AP600F, AP655, AP655F, BG500E, BG555E
Other Generators (LC31XX, C4.4, C4.4XQ80, C4.4XQ100), Pipelayers (PL61), Forestry (2384D, 2484D, 559D, 579D), Industrial/Marine Engines (C4.4)

Filter fits newer generation C4.4 engine machines. Check cartridge dimensions: 153mm (element height) / 191mm (total).

Related Parts and Hardware

Filter 3636572 is a cartridge (element) that is installed in the separator housing. It often works with a transparent sediment bowl (glass) at the bottom. When replacing, we also recommend replacing the housing gaskets (usually included).

⚠️ Operational Warning

Water is lethal to Common Rail injectors. If the water-in-fuel light comes on or you see water in the sediment bowl under the filter, drain the separator immediately. Replace the cartridge regularly to avoid costly injection system repairs.

Part Role in the Machine and Failure Diagnostics

The filter separates water and contaminants before the high-pressure pump.

  • › Engine power loss (clogged filter cartridge).
  • › Water-in-fuel alarm (sediment bowl needs draining).
  • › Uneven engine running / RPM surging.
  • › Starting difficulties (air in system or dirty filter).

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🔧 Expert Guide: Key Installation Tips

  1. Gasket Replacement: When replacing the cartridge, always install new gaskets (O-rings) on the housing and sediment bowl. Old gaskets can cause air intake.
  2. Sediment Bowl: Be careful when unscrewing the plastic sediment bowl from the old filter – it is easy to damage.
  3. Bleeding: After replacing the filter, use the manual fuel pump (primer) to fill the system before starting the engine. Cranking "dry" damages the injection pump.

Technical FAQ and Trivia

Why two height dimensions?

The 153 mm dimension is the height of the filter element (body) itself, while 191 mm is the total height including the plastic stem/handle, which facilitates pulling the cartridge out of the housing.

Where is this filter mounted?

In CAT F-series machines, this filter is usually located on the right side of the engine, in an easily accessible place, often integrated with the manual fuel pump.

Trivia about C4.4 engine

The CAT C4.4 ACERT engine, in which this filter operates, uses an advanced fuel injection system that requires perfectly clean fuel. Water particles under high pressure act like projectiles on injector tips, hence the key role of the separator.

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX505811RX
3636572
0.00 kg

Data sheet

SUITABLE FOR
CAT
MACHINE TYPE
BACKHOE LOADER
DOZER
EXCAVATOR
TELESCOPIC HANDLER
WHEELED LOADER
OEM NUMBERS
3636572 / 363-6572 / 4794133 / 479-4133
ENGINE
CAT
PERKINS
OUTER DIAMETER (MM)
81
HEIGHT (MM)
153
191

Specific References

MPN
3636572
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Fuel filter separator suitable for CAT

Catalog number: SKX505811RX
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

74.42 zł

net price
60,50 zł
Available in large quantity Temporarily unavailable
60,50 zł
net price

74.42 zł

gross price
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    Lowest price from 30 days before the discount: 74.42 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    CAT
    MACHINE TYPE
    BACKHOE LOADER
    DOZER
    EXCAVATOR
    TELESCOPIC HANDLER
    WHEELED LOADER
    OEM NUMBERS
    3636572 / 363-6572 / 4794133 / 479-4133
    ENGINE
    CAT
    PERKINS
    OUTER DIAMETER (MM)
    81
    HEIGHT (MM)
    153
    191

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    ul. Podkarpacka 57A, 35-082 Rzeszów
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