1988 Isuzu Pickup Oil Type & Capacity

The 1988 Isuzu Pickup takes 5W-20 motor oil — 4.2 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-204.2 quarts with filter

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
1 Ton, 4WD — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
1 Ton, RWD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
1 Ton, RWD, Standard, MSG5E — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
1 Ton, RWD, Standard, MUA5C — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
Base, 4WD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
Base, 4WD, Standard — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
Base, RWD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
Base, RWD, Standard, MSG5E — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
Base, RWD, Standard, MUA5C — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.3 L, 4WD — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.3 L, RWD, Automatic — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.3 L, RWD, Standard, MSG5E — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.3 L, RWD, Standard, MUA5C — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.6 E, 4WD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.6 E, 4WD, Standard — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.6 E, RWD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.6 E, RWD, Standard, MSG5E — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup Extra Cab, 2.6 E, RWD, Standard, MUA5C — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup, 4WD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup, 4WD, Standard — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup, RWD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup, RWD, Standard, MSG5E — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
LS, 2D Pickup, RWD, Standard, MUA5C — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.3 L, 4WD — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.3 L, RWD, Automatic — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.3 L, RWD, Standard, MSG5E — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.3 L, RWD, Standard, MUA5C — 2.3L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.6 E, 4WD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.6 E, 4WD, Standard — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.6 E, RWD, Automatic — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.6 E, RWD, Standard, MSG5E — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.
S, 2.6 E, RWD, Standard, MUA5C — 2.6L EngSAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)3.80 QTS.

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More specs & repair guides for your Pickup

1988 Isuzu Pickup factory service manualAll fluid capacities (transmission, coolant, brakes)

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

Coolant capacity

0.8 quarts (0.75 L) — 50/50 mixture of good quality ethylene-glycol antifreeze & water.

Frequently asked questions

What type of oil does a 1988 Isuzu Pickup take?

The 1988 Isuzu Pickup takes 5W-20 motor oil (SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F)), per the factory service manual.

How much oil does a 1988 Isuzu Pickup take?

The 1988 Isuzu Pickup holds 4.2 quarts with a filter change, or 3.8 quarts without changing the filter.

Can I use synthetic oil in my 1988 Isuzu Pickup?

Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1988 Isuzu Pickup. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Isuzu Pickup years

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