Engine Cylinder Head ISUZU 4HK1
High-quality cylinder head with part number 8981706171. Designed for the extremely popular, 4-cylinder ISUZU 4HK1 (5.2L) engines, powering construction machinery from brands such as Hitachi, Case, and JCB. The cylinder head is a key component of the combustion chamber where the valves and injectors operate, responsible for maintaining sealing, proper compression, and maximum engine performance.
Product Features:
- Solid casting: Made of a high-grade cast iron alloy, characterized by exceptional resistance to extreme temperatures and thermal cracking.
- Machining precision: Perfectly contoured intake, exhaust, and cooling channels guarantee optimal gas and fluid flow, protecting the engine from overheating.
- Ready for assembly: The cylinder head is precisely machined, features prepared valve seats, and a perfectly flat contact surface with the engine block.
Specification and Application:
| ISUZU Part Number |
8981706171, 8-98170-617-1 |
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| Part Type |
Cylinder Head |
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| Engine |
ISUZU 4HK1 / 4HK1-TC (5.2L) |
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| Application (Excavators) |
Hitachi 20-25 ton class machines Case Selected models powered by the 4HK1 engine |
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Technical Tip: When installing a new cylinder head, it is absolutely essential to use a new gasket of the appropriate thickness and a completely new set of head bolts. The bolts must be tightened with a torque wrench strictly according to the manufacturer's instructions (correct sequence, torque, and angle). Before installation, also check the flatness of the upper surface of the engine block.
