This engine crankshaft is designed as an OE-equivalent replacement for ISUZU NPR, NPR-HD, NQR, and NRR trucks equipped with 4HK1 5.2L or 4HE1 4.8L diesel engines from 1998 to 2010. It converts piston motion into rotational force, ensuring smooth engine operation, balanced power delivery, and reliable performance in commercial-duty applications. Precision-manufactured to OEM dimensional and balance specifications, this crankshaft ensures proper journal alignment, correct oil clearance, and stable rotation under high load conditions. Ideal for engine rebuilds, major repairs, or replacement of worn, damaged, or out-of-spec crankshafts.

Exact OE-Spec Replacement — Manufactured to match factory dimensions, journal sizes, and balance requirements for proper engine fit and operation

Engine Compatibility — Fits ISUZU 4HK1 5.2L and 4HE1 4.8L diesel engines used in NPR, NPR-HD, NQR, and NRR trucks (1998–2010)

Precision-Balanced Design — Helps reduce vibration, improve engine smoothness, and extend bearing and engine service life

Heavy-Duty Engine Component — Built to withstand high combustion forces, continuous operation, and demanding commercial service conditions

High-Strength Construction — Made from durable, fatigue-resistant materials for long-term reliability in rebuilt or repaired engines

Direct Fit for Engine Rebuilds — Designed to install using factory bearings, seals, and mounting specifications with no modifications required

OEM

8973525342 / 8980292702 / 8980292700

8973525343 / 8973525341 / 8973525340

8971654830 / 8971129830