1984 Isuzu Pickup Oil Type & Capacity

The 1984 Isuzu Pickup oil type depends on the engine: the Base, 1.9 A, 4WD takes 5W-20 (3.7 quarts qt with filter); the Base, 1.9 A, RWD, Automatic takes 5W-20 (3.7 quarts qt with filter); the Base, 1.9 A, RWD, Standard, MSG4K takes 5W-20 (3.7 quarts qt with filter); the Base, 1.9 A, RWD, Standard, MSG5K takes 5W-20 (3.7 quarts qt with filter); the Base, 2.2 S, 4WD takes 5W-30 (6.0 quarts qt with filter); the Base, 2.2 S, RWD, Automatic takes 5W-30 (6.0 quarts qt with filter); the Base, 2.2 S, RWD, Standard, MSG4K takes 5W-30 (6.0 quarts qt with filter); the Base, 2.2 S, RWD, Standard, MSG5K takes 5W-30 (6.0 quarts qt with filter); the LS, 1.9 A, 4WD takes 5W-20 (3.7 quarts qt with filter); the LS, 1.9 A, RWD, Automatic takes 5W-20 (3.7 quarts qt with filter); the LS, 1.9 A, RWD, Standard, MSG4K takes 5W-20 (3.7 quarts qt with filter); the LS, 1.9 A, RWD, Standard, MSG5K takes 5W-20 (3.7 quarts qt with filter); the LS, 2.2 S, 4WD takes 5W-30 (6.0 quarts qt with filter); the LS, 2.2 S, RWD, Automatic takes 5W-30 (6.0 quarts qt with filter); the LS, 2.2 S, RWD, Standard, MSG4K takes 5W-30 (6.0 quarts qt with filter); the LS, 2.2 S, RWD, Standard, MSG5K takes 5W-30 (6.0 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
Base, 1.9 A, 4WD — 1.9L EngSAE 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).3.30 QTS.
Base, 1.9 A, RWD, Automatic — 1.9L EngSAE 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).3.30 QTS.
Base, 1.9 A, RWD, Standard, MSG4K — 1.9L EngSAE 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).3.30 QTS.
Base, 1.9 A, RWD, Standard, MSG5K — 1.9L EngSAE 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).3.30 QTS.
Base, 2.2 S, 4WD — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
Base, 2.2 S, RWD, Automatic — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
Base, 2.2 S, RWD, Standard, MSG4K — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
Base, 2.2 S, RWD, Standard, MSG5K — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
LS, 1.9 A, 4WD — 1.9L EngSAE 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).3.30 QTS.
LS, 1.9 A, RWD, Automatic — 1.9L EngSAE 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).3.30 QTS.
LS, 1.9 A, RWD, Standard, MSG4K — 1.9L EngSAE 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).3.30 QTS.
LS, 1.9 A, RWD, Standard, MSG5K — 1.9L EngSAE 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).3.30 QTS.
LS, 2.2 S, 4WD — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
LS, 2.2 S, RWD, Automatic — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
LS, 2.2 S, RWD, Standard, MSG4K — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
LS, 2.2 S, RWD, Standard, MSG5K — 2.2L EngSAE 5W-30 (Below 15Deg.F), 10W-30 (Below 85Deg.F), 15W-40, 20W-40/50 (Above 10Deg.F), 30 (Above 35Deg.F), 40 (Above 80Deg.F).5.60 QTS.
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More factory specs & repair guides for your Pickup

🛞 1984 Isuzu Pickup Tire Size & Pressure →🌧️ 1984 Isuzu Pickup Wiper Blade Sizes →💡 1984 Isuzu Pickup Light Bulb Sizes →📖 1984 Isuzu Pickup Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner network AllOEMManuals.com.

Coolant capacity

8.2 quarts (7.76 L) — 50/50 mixture of good quality ethylene-glycol antifreeze & water.

Frequently asked questions

What type of oil does a 1984 Isuzu Pickup take?

It depends on the engine: Base, 1.9 A, 4WD uses 5W-20; Base, 1.9 A, RWD, Automatic uses 5W-20; Base, 1.9 A, RWD, Standard, MSG4K uses 5W-20; Base, 1.9 A, RWD, Standard, MSG5K uses 5W-20; Base, 2.2 S, 4WD uses 5W-30; Base, 2.2 S, RWD, Automatic uses 5W-30; Base, 2.2 S, RWD, Standard, MSG4K uses 5W-30; Base, 2.2 S, RWD, Standard, MSG5K uses 5W-30; LS, 1.9 A, 4WD uses 5W-20; LS, 1.9 A, RWD, Automatic uses 5W-20; LS, 1.9 A, RWD, Standard, MSG4K uses 5W-20; LS, 1.9 A, RWD, Standard, MSG5K uses 5W-20; LS, 2.2 S, 4WD uses 5W-30; LS, 2.2 S, RWD, Automatic uses 5W-30; LS, 2.2 S, RWD, Standard, MSG4K uses 5W-30; LS, 2.2 S, RWD, Standard, MSG5K uses 5W-30.

What is the oil capacity of a 1984 Isuzu Pickup?

Oil capacity depends on the engine: Base, 1.9 A, 4WD holds 3.7 quarts with filter; Base, 1.9 A, RWD, Automatic holds 3.7 quarts with filter; Base, 1.9 A, RWD, Standard, MSG4K holds 3.7 quarts with filter; Base, 1.9 A, RWD, Standard, MSG5K holds 3.7 quarts with filter; Base, 2.2 S, 4WD holds 6.0 quarts with filter; Base, 2.2 S, RWD, Automatic holds 6.0 quarts with filter; Base, 2.2 S, RWD, Standard, MSG4K holds 6.0 quarts with filter; Base, 2.2 S, RWD, Standard, MSG5K holds 6.0 quarts with filter; LS, 1.9 A, 4WD holds 3.7 quarts with filter; LS, 1.9 A, RWD, Automatic holds 3.7 quarts with filter; LS, 1.9 A, RWD, Standard, MSG4K holds 3.7 quarts with filter; LS, 1.9 A, RWD, Standard, MSG5K holds 3.7 quarts with filter; LS, 2.2 S, 4WD holds 6.0 quarts with filter; LS, 2.2 S, RWD, Automatic holds 6.0 quarts with filter; LS, 2.2 S, RWD, Standard, MSG4K holds 6.0 quarts with filter; LS, 2.2 S, RWD, Standard, MSG5K holds 6.0 quarts with filter.

How often should I change the oil in my 1984 Isuzu Pickup?

Most 1984 Isuzu Pickup 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 1984 Isuzu Pickup?

Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1984 Isuzu Pickup. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

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