• Strut door stay 98-01 suitable for JCB 4CX 3CX
  • Strut door stay 98-01 suitable for JCB 4CX 3CX - 331/66778
Strut door stay 98-01 suitable for JCB 4CX 3CX
GX-AFTER

Strut door stay 98-01 suitable for JCB 4CX 3CX

Catalog number:SKX1006947B Nr OEM:331/66778 Manufacturer:GX-AFTER
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DOOR GAS STRUT (P12 CAB, 330MM) SUITABLE FOR JCB - 331/66778

Technical Specification and Compatibility

A key component for cab comfort and safety – a high-quality door gas strut by GX-AFTER. Designed for JCB 3CX, 4CX, and 2CX backhoe loaders equipped with the P12 type cab (typically on machines manufactured up to approx. 2001). Its function is to assist in smoothly opening the door and reliably holding it in the open position, preventing it from slamming shut and injuring the operator.

Part number: 331/66778
Alternative part numbers: 331/14573, 123/06334
Application: P12 Cab Door
A - Length (extended, center-to-center): 330 mm
B - Cylinder Length: 185.5 mm

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 Installation

  • › Flat screwdriver: Needed to pry open the metal C-clip that retains the old and new struts.
  • › HYPTRON Grease: Recommended for lubricating the ball studs before installation.

Application in machines

Brand Type / Series / Model
JCB Backhoe Loaders: 2CX, 3CX, 4CX (with P12 cab, approx. pre-2001)
Wheel Loaders

The list above is for reference. It is crucial to verify the cab type (P12) and strut length (330 mm).

⚠️ Safety Warning

Gas struts are under high pressure. Do not cut, puncture, or heat. When replacing, ensure the door is securely supported to prevent it from falling when the old strut is removed.

Part's Role in the Machine and Failure Diagnostics

The door gas strut ensures operator comfort and safety. A failure is easy to diagnose and significantly hinders the daily use of the machine.

  • › Door fails to stay open (no holding force).
  • › Door slams shut on its own (risk of injury).
  • › Door feels heavy to open (no lifting assistance).
  • › Visible oil or gas leaking from the piston rod seal.

📞 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. Identify P12 Cab: Before buying, ensure you have a P12 cab (usually on 1998-2001 machines). Newer P21 cabs (post-2001) use different struts with different lengths and forces.
  2. Replace in pairs: It is recommended to replace door struts in pairs (if two are used) to ensure even holding force and prevent twisting the door hinges.
  3. Installation Technique: To remove and install, simply pry the metal C-clip on the strut's socket with a flat screwdriver, then pop the new strut onto the ball stud.
  4. Lubrication: Apply a small amount of grease (e.g., HYPTRON) to the ball studs before installation to ensure smooth joint movement.

Frequently Asked Questions (FAQ)

1. What is the difference between a P12 and P21 cab?

The P12 is the older cab style, fitted to JCB 3CX/4CX machines built until approximately 2001. The P21 is the newer model cab introduced after 2001. They have different styling, features, and different hardware, including door struts of different lengths.

2. Will this strut fit the rear top window?

No. This model (331/66778) is specifically for the side door of the P12 cab. The rear window struts have completely different part numbers, lengths, and force (N) ratings.

3. My old strut is 335mm long. Will this 330mm fit?

This model has an extended length of 330 mm. A 5 mm difference may or may not be an issue, depending on the hinge geometry. We strongly recommend verifying the part number on your old strut to ensure 100% compatibility.

Znak zapytania

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.

SKX1006947B
331/66778
0.19 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
WHEELED LOADER
OEM NUMBERS
331/66778 / 331/14573 / 123/06334
A - Distance between the axes of the tips after extension (mm)
330
B - Cylinder length (mm)
185,5

Specific References

MPN
331/66778
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Strut door stay 98-01 suitable for JCB 4CX 3CX

Catalog number: SKX1006947B
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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

33.83 zł

net price
27,50 zł
Available in large quantity Temporarily unavailable
27,50 zł
net price

33.83 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 3 points, it gives you 1.20 zł
  • Lowest price from 30 days before the discount: 33.83 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    WHEELED LOADER
    OEM NUMBERS
    331/66778 / 331/14573 / 123/06334
    A - Distance between the axes of the tips after extension (mm)
    330
    B - Cylinder length (mm)
    185,5

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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)

    Email



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