1983 Isuzu I-Mark Oil Type & Capacity: 5W-20 (3.8 quarts)
The 1983 Isuzu I-Mark takes 5W-20 motor oil — 3.8 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 3.8 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2D Coupe, 1.8 B, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 2D Coupe, 1.8 B, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 2D Coupe, 1.8 B, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 2D Coupe, 1.8 P, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 2D Coupe, 1.8 P, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 2D Coupe, 1.8 P, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 B, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 B, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 B, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 P, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 P, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| Base, 4D Sedan, 1.8 P, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 B, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 B, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 B, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 P, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 P, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 2D Coupe, 1.8 P, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 B, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 B, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 B, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 P, Automatic — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 P, Standard, MSG4K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
| LS, 4D Sedan, 1.8 P, Standard, MSG5K — 1.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.40 QTS. | — |
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Complete Oil Change Bundle for 1983 Isuzu I-Mark
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Mobil 1 5W-20 Full Synthetic OilExact Spec
5-Quart Jug (3.8 quarts needed)
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1983 Isuzu I-Mark Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (Base, 2D Coupe, 1.8 B, Automatic)
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Oil Drain Plug Crush Washer Gaskets (5-Pack)Recommended
Direct-fit replacement seal — prevents oil leaks after tightening
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15-Quart Low-Profile Drain Pan with Pour SpoutTool
Catch-all basin with anti-splash lip & secure transport cap
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RhinoRamps 12,000 lb Drive-Up Vehicle RampsTool
Safe driveway clearance for quick vehicle underbody access
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Heavy-Duty Black Nitrile Gloves (Box of 100)PPE
6-mil commercial-grade chemical & oil resistant mechanics gloves
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Multi-Angle Spill-Proof Oil Funnel SetTool
Wide-mouth funnel with flexible neck to eliminate engine bay spills
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Scott Blue Shop Towels (6-Pack)Supplies
Ultra-absorbent lint-free automotive towels for clean-up
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Selected Items: 3 items
$46.95 est. total
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More factory specs & repair guides for your I-Mark
🛞 1983 Isuzu I-Mark Tire Size & Pressure →🌧️ 1983 Isuzu I-Mark Wiper Blade Sizes →💡 1983 Isuzu I-Mark Light Bulb Sizes →📖 1983 Isuzu I-Mark Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.1 quarts (6.71 L) — 50/50 mixture of good quality ethylene-glycol antifreeze & water.
Frequently asked questions
What type of oil does a 1983 Isuzu I-Mark take?
The 1983 Isuzu I-Mark takes 5W-20 motor oil (SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F).), per the factory service manual.
What is the oil capacity of a 1983 Isuzu I-Mark?
The 1983 Isuzu I-Mark oil capacity is 3.8 quarts with a filter change, or 3.4 quarts without changing the filter.
How often should I change the oil in my 1983 Isuzu I-Mark?
Most 1983 Isuzu I-Mark owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Isuzu recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1983 Isuzu I-Mark?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1983 Isuzu I-Mark. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.