Thermostat suitable for JCB mini excavators
NEXGEN

Thermostat suitable for JCB mini excavators

Catalog number:SKX1017556B Nr OEM:334/E1182 Manufacturer:NEXGEN
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75°C Thermostat suitable for JCB & Perkins - 334/E1182

Technical Specification and Compatibility

An essential component of the cooling system, the 334/E1182 thermostat by NEXGEN. It is designed for JCB mini-excavators (including MICRO and MINI CX series) and a wide range of machines equipped with compact Perkins engines. This thermostat, with an opening temperature of 75°C and a diameter of 34 mm, is crucial for maintaining the optimal engine operating temperature by regulating the flow of coolant between the engine and the radiator.

Part Number: 334/E1182
Alternative Numbers: 02/630591
Type: Cooling System Thermostat
Opening Temperature: 75°C
Diameter: 34 mm

In the construction industry, machine reliability is the key to success. That's why we offer high-quality NEXGEN replacement parts for construction machinery, which 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.

Features of the 334/E1182 Thermostat

Optimal Operating Temp: Opens at 75°C to ensure the engine warms up quickly, reducing fuel consumption.
Wide Perkins Compatibility: Fits a very wide range of popular Perkins engines, including the 100, 400, and many other series.
Precise Fit: A 34 mm diameter guarantees a perfect seat in the thermostat housing.
NEXGEN Reliability: High-quality components ensure long, trouble-free operation, protecting the engine from overheating.

Application in machinery

Brand Type / Series / Model
JCB Mini Excavators, MICRO, MINI CX
Perkins Engines GG/GM/GT Series (e.g., 402D-05): GG, GJ (numerous variants), GM65619J, GM65620J, GM65621J, GM65705J, GM65716J, GM65744J, GM65816J, GM65831J, GM65870J, GM66003JPB, GM66004JPB, GM66073J, GM66078J, GM66150J, GM71105J, GT51789R, GT51789U
Perkins Engines HH/HB/HD/HN Series (e.g., 403C-11, 404C-15): HB, HD, HH (numerous variants), HN30865J, HN81541J, HN81579J, HN81592J, HN81596J
Perkins Engines KA/KB/KL/KN Series (e.g., 102-04, 103-06, 103-07): KA30213, KA30214, KA30215, KA30283, KA30284, KA30285, KA30286, KA30289, KA30290, KA50348, KA50379, KA70249, KA80580, KA80610, KA80633, KA80661, KB30216, KB30217, KB30218, KB30219, KB30220, KB30221, KB30222, KB30223, KB30224, KB30270, KB30271, KB30292, KB30293, KB50350, KB50381, KB70238, KB80606, KB80649, KL (numerous variants), KN30305, KN30306, KN30307, KN30308, KN30309, KN30327, KN30328, KN70333, KNC2800U, KS81171J
Perkins Engines EJ/EG/EH Series: EJ71145N, EJ82489U, EG - 402F-05, EH - 403F-07
Perkins Engines Models: 102-04, 102-05, 103-06, 103-07, 103-11, 403C-07, 403C-11, 403D-11, 404C-15, 404D-15

The list above is for reference. Due to the vast number of compatible engines, it is crucial to confirm the opening temperature (75°C) and diameter (34mm).

Related Parts and Hardware

When replacing the thermostat, we always recommend replacing the thermostat housing gasket. It is also wise to check the condition of the coolant hoses and the water pump.

⚠️ Safety Warning

A failed thermostat is dangerous. If it sticks closed, it will lead to rapid overheating and engine destruction (cracked head, blown gasket). If it sticks open, the engine will fail to reach operating temperature, drastically increasing fuel consumption and accelerating cylinder wear.

Part Role in the Machine and Failure Diagnostics

The 334/E1182 thermostat is an automatic valve in the cooling system. When the engine is cold, the thermostat stays closed, blocking coolant flow to the radiator (the "small circuit"), which allows the engine to warm up quickly. After reaching operating temperature (here 75°C), the thermostat opens, sending coolant to the radiator (the "large circuit") to maintain optimal temperature.

  • › Engine overheating (gauge in the red) – thermostat is stuck closed.
  • › Engine fails to reach operating temperature (gauge stays on "cold") – thermostat is stuck open.
  • › Rapid fluctuations of the temperature gauge.
  • › Coolant leaks from the thermostat housing (failed gasket).

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🔧 Expert Guide: Key Installation Tips

  1. Check Dimensions: Ensure the thermostat diameter (34 mm) and temperature (75°C) match your engine's requirements.
  2. Correct Orientation: The thermostat must be installed in the correct direction. The spring side usually faces the engine (block).
  3. New Gasket: Always use a new thermostat housing gasket or O-ring to prevent coolant leaks.
  4. Bleed the System: After refilling with new coolant, start the engine with the radiator cap off (or use bleed screws) and wait for the thermostat to open (coolant circulates) to bleed air from the system.

Frequently Asked Questions (FAQ)

Why is the opening temperature (75°C) important?

75°C is the temperature at which the thermostat *begins* to open, letting cool fluid in from the radiator. It is crucial for maintaining the optimal operating temperature – high enough for efficient combustion but low enough to prevent overheating.

My engine is overheating. Is the thermostat the cause?

It is highly likely. A thermostat stuck in the closed position is one of the most common causes of overheating. Other causes include a faulty water pump, a clogged radiator, or a broken fan.

How can I test a thermostat?

You can place the removed thermostat in a pot of water with a thermometer. Heat the water and observe. It should start to open at approx. 75°C and be fully open around 90-95°C. If it doesn't open, it is faulty.

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.

SKX1017556B
334/E1182
0.06 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
MICRO
MINI CX
MINIEXCAVATOR
OEM NUMBERS
02/630591 / 334/E1182
ENGINE
PERKINS

Specific References

MPN
334/E1182
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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

85.49 zł

net price
69,50 zł
Last pieces Temporarily unavailable
69,50 zł
net price

85.49 zł

gross price
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  • You will receive 7 points, it gives you 2.80 zł
  • Lowest price from 30 days before the discount: 85.49 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    MICRO
    MINI CX
    MINIEXCAVATOR
    OEM NUMBERS
    02/630591 / 334/E1182
    ENGINE
    PERKINS

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    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
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