Expansion tank suitable for JCB 3CX 4CX
NEXGEN

Expansion tank suitable for JCB 3CX 4CX

Catalog number:128/15479B Nr OEM:128/15479 Manufacturer:NEXGEN
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Coolant expansion tank designed for JCB machines equipped with JCB DieselMax engines (post-2005). The tank compensates for thermal expansion of the coolant and enables effective air bleeding of the cooling system. Damage or leakage may lead to overheating and loss of system pressure.

Alternative / Related Part Numbers:
128/15480 (version without sensor)

Type:
Coolant expansion tank (header / expansion tank) with integrated hose connections

Applications:

  • JCB 3CX / 4CX backhoe loaders (DieselMax engines, 2005→)

  • Selected Vibromax VM rollers

Functions & Benefits

  • Stabilizes coolant level and pressure, helping to prevent engine overheating.

  • Version with sensor port allows monitoring of coolant level or temperature (depending on installation).

  • Geometry and hose connections matched to original JCB hoses for quick and secure installation.

  • Made from temperature- and vibration-resistant material for long service life in harsh working conditions.

  • Fully compatible with JCB 3CX / 4CX DieselMax machines (2005→) and selected Vibromax rollers.

Failure Diagnosis

  • Coolant loss, wet marks under the tank or around hose connections.

  • Cracks in the housing, deformation, or a leaking cap.

  • Unstable engine temperature, frequent cooling fan activation.

  • Coolant level/temperature sensor errors (if fitted) accompanied by warning messages.

⚠️ Safety Warning
Do not remove the cap when the engine is hot — risk of burns from pressurized coolant. Always use coolant that meets JCB-recommended specifications.

Machine Applications

Brand (Machine type)

Model

JCB (Backhoe loaders)

3CX, 4CX — approx. from serial no. 967724 (DieselMax 2005→)

JCB (Rollers)

Vibromax VM115, VM132, VM146, VM166, VM200 — selected serial ranges

Indicative list — confirm 128/15479 and the sensor/no-sensor variant against your machine.

128/15479B
128/15479
1.16 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
VIBROMAX
OEM NUMBERS
128/15479

Specific References

MPN
128/15479
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Expansion tank suitable for JCB 3CX 4CX

Catalog number: 128/15479B
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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

218.33 zł

net price
177,50 zł
Available in large quantity Temporarily unavailable
177,50 zł
net price

218.33 zł

gross price
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  • You will receive 18 points, it gives you 7.20 zł
  • Lowest price from 30 days before the discount: 218.33 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    VIBROMAX
    OEM NUMBERS
    128/15479

    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

    Opening hours
    Telephone support - Monday - Friday (8:00 AM – 5:00 PM)
    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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