OEM Cylinder Head Gasket for Isuzu NPR, NQR, NPR-HD 4HK1 Engine
This cylinder head gasket for Isuzu NPR, NQR, and NPR-HD trucks is a premium OEM-quality engine gasket specifically designed for 4HK1 5.2L diesel engines (2008-2010). With a thickness of T=1.525, this gasket provides a precise seal between the cylinder head and engine block, maintaining proper compression and preventing oil or coolant leaks.
The Isuzu 4HK1 cylinder head gasket is engineered to withstand high combustion temperatures and pressures typical in heavy-duty diesel engines. It helps maintain engine efficiency, prevent overheating, and ensure long-term durability.
Key Features & Benefits
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OEM Quality Construction – Manufactured to meet Isuzu factory specifications.
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Precision Thickness (T=1.525) – Ensures correct engine compression and sealing.
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High Heat Resistance – Built to withstand extreme combustion temperatures.
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Leak Prevention – Prevents coolant, oil, and compression leaks.
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Improves Engine Efficiency – Maintains proper combustion chamber sealing.
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Direct Fit Replacement – Designed for easy installation and exact compatibility.
Engine Compatibility
Compatible with the following Isuzu diesel engine:
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4HK1 5.2L Diesel Engine
Vehicle Applications
Fits the following Isuzu trucks:
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Isuzu NPR (2008–2010)
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Isuzu NQR (2008–2010)
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Isuzu NPR-HD (2008–2010)
Frequently Asked Questions
What does a cylinder head gasket do?
The cylinder head gasket seals the engine block and cylinder head, maintaining compression and preventing coolant or oil leaks.
Which engine is compatible with this gasket?
This gasket is designed for the Isuzu 4HK1 5.2L diesel engine.
Which vehicles does this head gasket fit?
It fits Isuzu NPR, NQR, and NPR-HD trucks from 2008 to 2010 equipped with the 4HK1 engine.
What does T=1.525 mean?
T=1.525 refers to the thickness of the head gasket, which is important for maintaining correct engine compression and sealing.
When should I replace a cylinder head gasket?
A head gasket should be replaced if there are coolant leaks, overheating issues, or loss of engine compression or during engine rebuilds.




