1998 Isuzu Oasis Oil Type & Capacity
The 1998 Isuzu Oasis takes 5W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| LS | API - SAE 5W-30 (Preferred) (Below -20 to Above 100Deg.F), 10W-30 (Above 20Deg.F) | 4.50 QTS. | 4.20 QTS. | — |
| S | API - SAE 5W-30 (Preferred) (Below -20 to Above 100Deg.F), 10W-30 (Above 20Deg.F) | 4.50 QTS. | 4.20 QTS. | — |
Buy the right oil
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More specs & repair guides for your Oasis
1998 Isuzu Oasis factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
1.66 quarts (6.28 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1998 Isuzu Oasis take?
The 1998 Isuzu Oasis takes 5W-30 motor oil (API - SAE 5W-30 (Preferred) (Below -20 to Above 100Deg.F), 10W-30 (Above 20Deg.F)), per the factory service manual.
How much oil does a 1998 Isuzu Oasis take?
The 1998 Isuzu Oasis holds 4.5 quarts with a filter change, or 4.2 quarts without changing the filter.
Can I use synthetic oil in my 1998 Isuzu Oasis?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Isuzu Oasis. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.