2001 Mitsubishi Diamante Oil Type & Capacity
The 2001 Mitsubishi Diamante 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 |
|---|---|---|---|---|
| ES | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | ECOLCS or API - SJ EC, SJ/CD EC. |
| LS | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | ECOLCS or API - SJ EC, SJ/CD EC. |
Buy the right oil
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More specs & repair guides for your Diamante
2001 Mitsubishi Diamante factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.0 quarts (9.46 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Includes: .69 qt. in reserve tank.
Frequently asked questions
What type of oil does a 2001 Mitsubishi Diamante take?
The 2001 Mitsubishi Diamante takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 2001 Mitsubishi Diamante take?
The 2001 Mitsubishi Diamante holds 4.5 quarts with a filter change, or 4.0 quarts without changing the filter.
Can I use synthetic oil in my 2001 Mitsubishi Diamante?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2001 Mitsubishi Diamante. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.