1990 Mitsubishi Galant Oil Type & Capacity
The 1990 Mitsubishi Galant oil type depends on the engine: the Base, Automatic takes 20W-20 (3.92 quarts with filter); the Base, Standard takes 20W-20 (3.92 quarts with filter); the GS, Automatic takes 20W-20 (4.42 quarts with filter); the GS, Standard takes 20W-20 (4.42 quarts with filter); the GSX takes 20W-20 (4.42 quarts with filter); the LS takes 20W-20 (3.92 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, Automatic: 20W-20, 3.92 quarts with filter
- Base, Standard: 20W-20, 3.92 quarts with filter
- GS, Automatic: 20W-20, 4.42 quarts with filter
- GS, Standard: 20W-20, 4.42 quarts with filter
- GSX: 20W-20, 4.42 quarts with filter
- LS: 20W-20, 3.92 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic — O.H.C.- SOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 3.92 QTS. | 3.50 QTS. | — |
| Base, Standard — O.H.C.- SOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 3.92 QTS. | 3.50 QTS. | — |
| GS, Automatic — O.H.C.- DOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.42 QTS. | 4.00 QTS. | — |
| GS, Standard — O.H.C.- DOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.42 QTS. | 4.00 QTS. | — |
| GSX — O.H.C.- DOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.42 QTS. | 4.00 QTS. | — |
| LS — O.H.C.- SOHC | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 3.92 QTS. | 3.50 QTS. | — |
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More specs & repair guides for your Galant
1990 Mitsubishi Galant factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
7.6 quarts (7.19 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Includes: .7 qt. in reserve tank.
Frequently asked questions
What type of oil does a 1990 Mitsubishi Galant take?
It depends on the engine: Base, Automatic uses 20W-20; Base, Standard uses 20W-20; GS, Automatic uses 20W-20; GS, Standard uses 20W-20; GSX uses 20W-20; LS uses 20W-20.
How much oil does a 1990 Mitsubishi Galant take?
Capacity depends on the engine: Base, Automatic holds 3.92 quarts with filter; Base, Standard holds 3.92 quarts with filter; GS, Automatic holds 4.42 quarts with filter; GS, Standard holds 4.42 quarts with filter; GSX holds 4.42 quarts with filter; LS holds 3.92 quarts with filter.
Can I use synthetic oil in my 1990 Mitsubishi Galant?
Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Mitsubishi Galant. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.