Piston suitable for JCB 2CX 3CX 4CX Loaders - AA engine
NEXGEN

Piston suitable for JCB 2CX 3CX 4CX Loaders - AA engine

Catalog number:SKX051159B Nr OEM:02/200904 Manufacturer:NEXGEN
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ENGINE PISTON (PERKINS AA) SUITABLE FOR JCB 3CX, 4CX - 02/200904

Technical Specification and Compatibility

A precision-manufactured engine piston, a key component in repair kits for naturally aspirated Perkins AA engines. This is the heart of the power unit, responsible for transferring energy from the combusted air-fuel mixture via the connecting rod to the crankshaft. Made from a high-grade aluminum alloy, it ensures optimal thermal expansion and durability. The piston crown (combustion bowl) shape is precisely matched for the specifics of naturally aspirated (NA) engines.

Part number: 02/200904
Nominal Bore Size (mm): 100
Piston Length (mm): 108
Piston Compression Height (mm): 69.9
Piston Bowl Depth (mm): 19.5
Piston Bowl Diameter (mm): 55.3
Piston Pin Diameter (mm): 34.925
No. of Rings: 3
Weight (kg): 1.733

In the construction industry, machine reliability is the key to success. That's why we offer high-quality replacement parts for construction machinery that meet the highest standards of durability and performance. Our products are the ideal solution for companies and specialists looking for reliable components at attractive prices.

Essential for Engine Overhaul

  • › Piston ring set (for 3 rings)
  • › Piston pin (34.925 mm) and clips (circlips)
  • › Cylinder liner (100 mm bore)
  • › Connecting rod bearings

Application in machines

Brand Type / Series / Model
JCB Backhoe Loaders: 2CX, 3CX, 4CX
Telehandlers (Loadall)
Wheel Loaders
Rough Terrain Forklifts (RTFL)

The list above is for reference. Fitment is dependent on the Perkins AA (100mm) engine model.

⚠️ Installation Warning

An engine overhaul is a complex process. Piston installation must be done in sterile conditions. Any contamination (dirt, metal shavings) entering the cylinder will immediately score the liner and destroy the engine. Always check piston ring end gaps and piston installation direction.

Part's Role in the Machine and Failure Diagnostics

The piston hermetically seals the cylinder (with piston rings) and transfers the immense force of combustion to the connecting rod. It is one of the most stressed components in the engine. Its failure necessitates a major overhaul.

  • › Loss of compression and hard starting.
  • › Increased oil consumption ("oil burning").
  • › Blue smoke from the exhaust.
  • › Loss of engine power and rough running.
  • › Metallic "knocking" from the engine (cracked piston or worn pin).

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🔧 Expert's Guide: Key Installation Tips

  1. Replace as a set: Pistons should always be replaced as a complete set for all cylinders (together with rings, pins, and bearings) to ensure balanced weight, compression, and prevent future failures.
  2. Absolute cleanliness: Before installation, the cylinder and all components must be perfectly clean. Use assembly lube on rings and pin. The smallest piece of dirt acts like sandpaper.
  3. Installation direction: The piston has a mark (e.g., an arrow or "FRONT") indicating its correct orientation towards the front of the engine. Installing it backward will cause failure.
  4. Cylinder verification: Installing a new piston (even nominal 100mm) in a worn ("oval") cylinder is pointless. The cylinder must be verified, honed, or re-linered.

Frequently Asked Questions (FAQ)

1. How do I know if I need a nominal or oversize piston?

This piston is a nominal size (100 mm). Before purchasing, a mechanic must measure the cylinder bore with a bore gauge. If the cylinder is worn but within tolerance, it can be honed for this piston. If the wear is too great, the cylinder must be "bored" (re-bored) and an oversize piston (e.g., +0.50 mm) must be used.

2. What's the difference between a naturally aspirated (AA) and turbo (AB/AR) piston?

They differ in key details. Turbo (AB, AR) engines typically have pistons with a deeper or differently shaped combustion bowl in the crown and often feature piston cooling channels (oil spray from below). This AA piston is for a naturally aspirated engine and cannot be used interchangeably with turbo versions.

3. What is compression height (69.9 mm)?

This is one of the most critical dimensions of a piston. It defines the distance from the center axis of the piston pin hole to the crown (top surface) of the piston. Maintaining this dimension is crucial for achieving the correct compression ratio in the cylinder.

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.

SKX051159B
02/200904
1.50 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
FORKLIFT
TELESCOPIC HANDLER
WHEELED LOADER
OEM NUMBERS
02/200904
ENGINE
PERKINS

Specific References

MPN
02/200904
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Piston suitable for JCB 2CX 3CX 4CX Loaders - AA 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

208.49 zł

net price
169,50 zł
Available in large quantity Temporarily unavailable
169,50 zł
net price

208.49 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 17 points, it gives you 6.80 zł
  • Lowest price from 30 days before the discount: 208.49 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    FORKLIFT
    TELESCOPIC HANDLER
    WHEELED LOADER
    OEM NUMBERS
    02/200904
    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

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