Fluid · Rear Differential
Rear Differential
for 2023-2026 Isuzu NPR 6.6L V8 · RWD
Fluid Type
80W-90 API GL-5 hypoid gear oil
Spec: API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
5.29 qt
5 L
Change Interval
50,000 mi
80,450 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
Rear axle differential. Verify ratio and limited-slip status, which may require friction modifier additive.
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