Expansion tank suitable for JCB 3CX 4CX - AR AK engine
GX-AFTER

Expansion tank suitable for JCB 3CX 4CX - AR AK engine

Catalog number:SKX1000035A Nr OEM:126/02237 Manufacturer:GX-AFTER
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COOLANT EXPANSION TANK (PERKINS AR/AK) SUITABLE FOR JCB 3CX, 4CX - 126/02237

Technical Specification and Compatibility

A high-quality coolant expansion tank, designed for JCB machines with Perkins AR and AK engines. It is a key component of the cooling system, serving as a reservoir for the coolant that expands with temperature. It ensures the correct fluid level in the system and allows for its inspection. Made of durable plastic resistant to high temperatures and pressure, it guarantees a leak-proof seal and long service life.

Part number: 126/02237
Alternative part numbers: 126/02030
Compatible engine: Perkins (AR, AK series)

GX-AFTER is the smart choice for your machine. We provide high-class replacement parts that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.

Essential for Assembly

  • › HYPTRON Coolant: An ideal opportunity to replace the old fluid.

Application in machines

Brand (Machine Type) Model
JCB (Backhoe Loaders) 3CX, 4CX (with Perkins AR, AK engines)

The list above is for reference. Before purchasing, we recommend a visual comparison with your old part.

⚠️ Safety Warning

Before replacing the tank, ensure the engine is completely cool. Opening the cap on a hot cooling system can cause a violent spray of hot coolant and steam under high pressure, which can cause severe burns.

Part's Role in the Machine and Failure Diagnostics

The expansion tank compensates for changes in coolant volume and maintains the correct pressure in the system. If it is damaged, it leads to leaks, air in the system, and consequently to engine overheating.

  • › Visible cracks or deformation of the tank.
  • › Coolant leaks, especially at the seams or hose connections.
  • › Frequent "boiling over" and coolant being forced out of the cap.
  • › Discoloration and clouding of the plastic, making it impossible to check the fluid level.

Peace of Mind Guarantee: Why Choose Our Offer?

A cracked expansion tank is a direct path to an overheated engine.

Even a small coolant leak leads to air entering the system and a loss of cooling efficiency. The cost of replacing the tank is negligible compared to an overhaul of an overheated engine. Don't take risks – order a new, durable GX-AFTER tank and ensure safe operating conditions for your engine.

📞 Can't find the part you're looking for?

No problem. Our website shows only a few thousand of the over 60,000 parts we have in stock. Contact us – we probably have what you need on the shelf!

🔧 Expert's Guide: Key Installation Tips

  1. Drain the coolant: Before disconnecting the hoses, drain the coolant into a clean container to a level below the tank.
  2. Check hoses and clamps: While replacing the tank, inspect the condition of the hoses for cracks and hardness. It is recommended to replace the hose clamps with new ones.
  3. Transfer the level sensor (if fitted): If your model has a coolant level sensor, carefully remove it from the old tank and install it in the new one with a new gasket.
  4. Bleed the system: After refilling the system with new fluid, start the engine and bleed the system according to the service manual to avoid airlocks.

Frequently Asked Questions (FAQ)

1. Why do expansion tanks crack?

The most common cause is material fatigue from thousands of heating and cooling cycles, which leads to the plastic losing its flexibility. Another cause can be excessive pressure in the cooling system, e.g., due to a faulty head gasket or a malfunctioning cap.

2. What is the role of the expansion tank cap?

The cap is not just a "plug." It has two valves: a pressure valve that releases excess pressure as the fluid heats up, and a vacuum valve that allows air to enter the system as the fluid cools. A faulty cap can lead to burst hoses or the expansion tank itself.

3. My old tank is brown inside. Is that normal?

A brown deposit inside the tank is usually rust and scale from the entire cooling system. This indicates the use of old coolant or water. When replacing the tank, it is recommended to thoroughly flush the entire system and fill it with a new, high-quality coolant.

Key Advantages

🛡️

Engine Protection

Prevents overheating and costly failures.

🎯

System Integrity

Eliminates leaks and prevents air in the system.

📦

High Durability

Material resistant to pressure and high temperature.

Question mark

Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.

SKX1000035A
126/02237
1.03 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
126/02237 / 126/02030
ENGINE
PERKINS

Specific References

MPN
126/02237
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Expansion tank suitable for JCB 3CX 4CX - AR AK engine

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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

167.46 zł

net price
136,15 zł
Available in large quantity Temporarily unavailable
136,15 zł
net price

167.46 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 14 points, it gives you 5.60 zł
  • Lowest price from 30 days before the discount: 167.46 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    126/02237 / 126/02030
    ENGINE
    PERKINS

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    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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