The Fan Clutch for Isuzu 4HF1 Engine (NPR 1999–2019) is engineered to deliver optimal cooling efficiency and maintain stable engine temperature in all driving conditions. Designed to OEM standards, this heavy-duty fan clutch ensures the radiator and cooling system operate at peak performance, helping your engine avoid overheating even during long hauls, high temperatures, or heavy load operations.
Built with precision and tested for durability, this fan clutch provides:
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Improved Cooling Performance for consistent engine temperatures
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Enhanced Fuel Efficiency by engaging only when needed
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Long Service Life with heat-resistant and wear-resistant materials
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Smooth Operation for reduced noise and vibration
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Direct Compatibility with Isuzu NPR trucks using 4HF1 engines
This part is essential for maintaining the lifespan of your engine, protecting vital components, and ensuring reliable daily operation for commercial vehicles.
Key Features:
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Direct-fit replacement for Isuzu 4HF1 engines
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Ideal for NPR trucks from 1999–2019
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OEM-standard durability and performance
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Designed to prevent overheating and excessive load on the cooling system
Frequently Asked Questions
1. What does the connector rod bushing do?
The connector rod bushing supports the piston pin and allows smooth rotation between the connecting rod and the piston assembly, reducing friction and preventing wear.
2. Is this bushing compatible with all 4HF1 and 4HG1 engines?
Yes, it is designed for Isuzu 4HF1, 4HG1, and 4HG1T diesel engines used in NPR, NQR, and ELF series vehicles.
3. Should the bushing be replaced during an overhaul?
Yes, it is strongly recommended to replace the bushing during a full engine rebuild to maintain proper piston pin clearance and avoid future engine noise or wear.
4. Is pressing required for installation?
Yes, the bushing typically needs to be pressed into the connecting rod and honed to precise clearance for correct fitment.
5. Is this an OEM-quality component?
Yes, it is manufactured to OEM standards to ensure perfect fitment, durability, and reliable engine performance.
Connector Rod Bushing | Isuzu 4HF1 / 4HG1 / 4HG1T
OE Replacement: Not Available
Fits Following: Isuzu 4HF1 / 4HG1 / NPR Encava / 4HG1T 4.6L / 6HH1
Year: 1999-2014
