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Poland
HYDRO CZĘŚCI JAKUBIEC SPÓŁKA JAWNA
Kapitałowa 4
35-213 Rzeszów
Call us:
+48 17 229 37 05
NIP: 8133391713

Cylinder Heads – Complete and Bare (Perkins, JCB, CAT)

Quick swap or full rebuild? We offer complete cylinder heads (loaded with valves and springs – ready to install) and bare heads (castings only) from KMP Brand, Perkins, and Azeri Parts. Range includes rubber connectors.

For engines: Perkins (1100, 1000, 400 series), JCB Dieselmax (444), CAT (3054/C4.4), and Isuzu.

Pressure Tested
Loaded Versions
KMP & Perkins
⚠️ Casting numbers are key! Heads differ in water passages and injector ports. Write down the number from your old casting – we will find the 100% match.
Select Head

There are 8 products.

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Showing 1-8 of 8 item(s)
ISUZU Engine cylinder head... Quick view

Brand: AM

8981805660

ISUZU Engine cylinder head 6HK1

87377918 47388756 87601940 8981706270 8982438200 8976069960 8976069961 8976069962 8976069963 8976069964 8976069965 8976069966 8976069967 8976069968 8-98180566-0 8-737791-8 4-738875-6 8-760194-0 8-98170627-0 8-98243820-0 8-97606996-0 8-97606996-1 8-97606996-2 8-97606996-3 8-97606996-4 8-97606996-5 8-97606996-6 8-97606996-7 8-97606996-8
Price Gross: 3,444.00 zł
Net: 2,800.00 zł
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ISUZU Cylinder head 4HK1 Quick view

Brand: AM

8981706171

ISUZU Cylinder head 4HK1

8980083632 8980083631 8980083630 8981706170 8-98008363-2 8-98008363-1 8-98008363-0 8-98170617-0
Price Gross: 3,677.70 zł
Net: 2,990.00 zł
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CYLINDER HEAD ASSEMBLY

Complete or Bare Head – Which to choose?

The decision depends on the condition of your old components and the time available:

  • Complete Head (Loaded): A "Plug & Play" solution. The head comes with valves, springs, and seals factory-installed. Seats are lapped, and the unit is pressure tested. Saves machining time and cost.
  • Bare Head (Casting): Ideal if your ancillaries (valves, springs) are in perfect condition and you want to transfer them. Requires valve lapping and professional assembly.

KMP Brand Quality

Head cracks (often between valve seats) are a result of overheating. We offer KMP Brand heads made of high-grade cast iron, resistant to thermal cycling. Every head undergoes water jacket pressure testing before leaving the factory.

💡 Installing a new head?

You absolutely need a new gasket (correct thickness) and new bolts (old ones are stretched). Check:

Frequently Asked Questions (FAQ)

What is a head rubber connector?

Some Perkins and JCB Dieselmax engines use specific rubber connectors (visible in our offer) to join water or oil passages between the block and head. These should be replaced every time the head is removed.

Does a complete head need skimming?

No. New KMP Brand and Perkins heads have a factory-machined mating surface. They are ready to be installed on a new gasket.

Have a rare cylinder head?

Perkins engines come in hundreds of configurations. If you don't see your head, send us photos from several angles (especially intake/exhaust ports) – we will find the right one.

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