The Clutch Disc 21T for Isuzu 4BD2 / 4HE1 Engines (1992–2004) is built to deliver exceptional performance, smooth operation, and long-lasting reliability. Designed to OEM standards, this disc ensures efficient power transfer from the engine to the transmission for maximum durability and fuel efficiency.
Made with high-friction, heat-resistant material, it prevents slippage, ensures consistent clutch engagement, and reduces vibration under load. It’s ideal for Isuzu NPR and NQR trucks that require dependable clutch operation for commercial and industrial applications.
Features & Benefits:
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OEM-grade clutch disc for Isuzu 4BD2 and 4HE1 engines
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21-tooth spline hub for exact fitment and smooth operation
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High-temperature resistant friction materials
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Ensures consistent torque delivery and smooth gear shifting
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Reduces transmission vibration and noise
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Suitable for diesel truck, bus, and industrial engine applications
Applications:
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Isuzu 4BD2 Engine (1992–2004)
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Isuzu 4HE1 Engine (1992–2004)
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Isuzu NPR / NQR Trucks
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Compatible with medium-duty commercial diesel vehicles
Frequently Asked Questions (FAQ)
Which vehicles use the 21T clutch disc?
This clutch disc fits Isuzu 4BD2 and 4HE1 engines found in NPR and NQR trucks produced between 1992 and 2004.
What is the spline count and diameter of this clutch disc?
This clutch disc features a 21-tooth spline hub, designed to perfectly match the transmission input shaft for Isuzu diesel engines.
Is this clutch disc OEM quality?
Yes, it meets or exceeds OEM standards for material quality, fitment, and durability, ensuring factory-level performance and reliability.
Does this clutch disc work for both 4BD2 and 4HE1 engines?
Yes, it’s compatible with both Isuzu 4BD2 and 4HE1 engines, commonly installed in NPR and NQR trucks.
How do I know if my clutch disc needs replacement?
Replace the clutch disc if you experience slipping, difficulty shifting gears, or vibration during acceleration.
Should I replace the pressure plate and release bearing too?
Yes, it’s recommended to replace the clutch pressure plate and release bearing together for optimal clutch system performance and longevity.
Clutch Disc 21T | Isuzu 4BD2 / 4HE1 / 1992 – 2004
OE Replacement: Not Available
Fits Following: Isuzu NPR NQR / 4BD2 3.9L / 4HE1 4.8L / 21T (Mx5Hd – Mxh5C – Msa -Mxa)
Year: 1992-2004




