The Clutch Disc (21 Tooth, 300mm) for Isuzu 4BD2 and 4HE1 engines is engineered for superior performance, durability, and smooth engagement under heavy-duty operating conditions.
Built to OEM specifications, this clutch disc ensures efficient power transfer from the engine to the transmission while minimizing slippage and vibration. The heavy-duty friction material provides consistent performance even under high-temperature and high-torque applications, making it ideal for commercial Isuzu NPR/NQR trucks.
Features & Benefits:
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OEM-grade clutch disc for Isuzu 4BD2 and 4HE1 engines
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21-tooth spline and 300mm outer diameter for perfect fitment
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Heat-resistant friction surface for long-lasting reliability
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Smooth, consistent clutch engagement and disengagement
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Reduces gear noise and transmission shock
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Designed for commercial diesel trucks and industrial vehicles
Applications:
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Isuzu 4BD2 Engine
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Isuzu 4HE1 Engine
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Isuzu NPR / NQR Trucks (1988–2004)
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Compatible with other Isuzu medium-duty diesel vehicles using 300mm clutch assemblies
Frequently Asked Questions (FAQ)
What vehicles does the 21 Tooth 300mm clutch disc fit?
This clutch disc fits Isuzu 4BD2 and 4HE1 diesel engines, commonly used in NPR and NQR series trucks from 1988 to 2004.
What is the diameter and spline count of this clutch disc?
The disc has a 300mm outer diameter and a 21-tooth spline hub, ensuring a perfect OEM fit for compatible Isuzu engines.
Is this clutch disc suitable for heavy-duty applications?
Yes, the disc is designed with heat-resistant friction materials for high-torque, heavy-duty commercial applications.
Does this clutch disc reduce vibration and noise?
Yes, it features a precision-balanced design that minimizes drivetrain vibration and improves gear shifting smoothness.
Is this clutch disc an OEM replacement?
Yes, this part meets or exceeds OEM specifications for Isuzu 4BD2 and 4HE1 engines, ensuring factory-level performance and fitment.
Do I need professional installation for this clutch disc?
Professional installation is recommended to ensure proper alignment, torque, and pressure plate compatibility.
Clutch Disc 21Th 300Mm | Isuzu 4BD2 / 4HE1 Engine / NPR NQR
OE Replacement: Not Available
Fits Following: Isuzu NPR NQR 4BD2 3.9L 4HE1 4.8L
Year: Provide vin# or serial number for Year Information




