The Gear Idle for Isuzu 4HK1 / 4HE1 Engine is a precision-engineered timing gear that ensures smooth and accurate synchronization between the crankshaft and camshaft. Made from hardened, high-strength steel, this idler gear minimizes noise, vibration, and wear, providing reliable long-term performance even under heavy-duty operation.
Ideal for Isuzu 4HK1 and 4HE1 diesel engines, commonly used in trucks, buses, generators, and excavators, this replacement gear guarantees proper timing balance, efficient power delivery, and extended engine life.
Whether you’re performing an overhaul or replacing a worn-out timing gear, this OEM-quality idle gear offers the perfect fit and dependable operation, helping your engine perform at peak efficiency.
🔑 Key Features:
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OEM-quality idle gear for Isuzu 4HK1 and 4HE1 engines
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Ensures accurate camshaft-to-crankshaft timing
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Made from hardened alloy steel for superior durability
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Reduces gear noise and vibration
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Long-lasting wear resistance under high-load conditions
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Perfect fit for Isuzu commercial and industrial engines
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Easy to install and maintain
⚙️ Compatibility:
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Engine Models: Isuzu 4HK1, Isuzu 4HE1
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Applications:
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Isuzu NPR, NQR, NPS Trucks
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Isuzu ELF / F-Series
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Hitachi & Sumitomo Excavators with 4HK1 Engine
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Industrial Diesel Power Units
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💡 Why Choose This Product:
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100% OEM-fit quality for dependable performance
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Reduces engine timing issues and noise
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Built to withstand high mechanical stress
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Tested for strength, hardness, and durability
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Suitable for heavy-duty and commercial engine use
Frequently Asked Questions (FAQ)
What is the function of the idle gear in an Isuzu 4HK1 or 4HE1 engine?
The idle gear helps synchronize the camshaft and crankshaft gears, maintaining accurate engine timing and smooth performance.
Is this idle gear compatible with both 4HK1 and 4HE1 engines?
Yes, this gear is compatible with both Isuzu 4HK1 and 4HE1 engines used in trucks, buses, and excavators.
What material is the gear made from?
The idle gear is made from high-strength alloy steel that is heat-treated for exceptional wear resistance and long life.
How do I know if my idle gear needs replacement?
Common signs include abnormal engine noise, vibration, or timing issues, which indicate wear or damage in the timing gear system.
Can I install the gear myself?
It is recommended that installation be performed by a qualified mechanic to ensure correct timing alignment and engine safety.
Do you provide worldwide delivery?
Yes,we required 5 to 7 buisness days and international shipping is available for all Isuzu 4HK1 and 4HE1 engine parts, including idle gears.
Gear Idle | Isuzu 4HK1 / 4HE1 Engine
OE Replacement: Not Available
Fits Following: NPR NQR NPR-HD NRR / 4HE1 4.8L / 4HK1 5.2L / 6HH1 8.2L
Year: 2005-2016
