Fluid · Engine Oil
Engine Oil
for 2023-2026 Isuzu NPR 6.6L V8 · RWD
Fluid Type
5W-30 dexos1 Gen 3
Spec: GM dexos1 Gen 3
Capacity
8qt
7.57 L
Drain & Refill
8.03 qt
7.6 L
Change Interval
5,000 mi
8,045 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
GM 6.6L L8T gasoline V8. Severe service 5000 miles. Includes oil filter change.
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