1999 Isuzu Trooper Oil Type & Capacity
The 1999 Isuzu Trooper takes 5W-30 motor oil — 5.7 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 5.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | API - SAE 5W-30 (-20Deg.F to Above 100Deg.F),10W-30 (Above 0Deg.F), 30 (Above 40Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F) | 5.70 QTS. | — | — |
| Part Time | API - SAE 5W-30 (-20Deg.F to Above 100Deg.F),10W-30 (Above 0Deg.F), 30 (Above 40Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F) | 5.70 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Trooper
1999 Isuzu Trooper factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.0 quarts (10.4 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1999 Isuzu Trooper take?
The 1999 Isuzu Trooper takes 5W-30 motor oil (API - SAE 5W-30 (-20Deg.F to Above 100Deg.F),10W-30 (Above 0Deg.F), 30 (Above 40Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F)), per the factory service manual.
How much oil does a 1999 Isuzu Trooper take?
The 1999 Isuzu Trooper holds 5.7 quarts with a filter change.
Can I use synthetic oil in my 1999 Isuzu Trooper?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Isuzu Trooper. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.