1989 Jeep Wrangler Oil Type & Capacity
The 1989 Jeep Wrangler oil type depends on the engine: the Base, 2.5 E takes 5W-30 (4.0 quarts with filter); the Base, 4.2 T, Automatic takes 5W-30 (6.0 quarts with filter); the Base, 4.2 T, Standard, AX15 takes 5W-30 (6.0 quarts with filter); the Base, 4.2 T, Standard, BA10/5 takes 5W-30 (6.0 quarts with filter); the Islander, 2.5 E takes 5W-30 (4.0 quarts with filter); the Islander, 4.2 T, Automatic takes 5W-30 (6.0 quarts with filter); the Islander, 4.2 T, Standard, AX15 takes 5W-30 (6.0 quarts with filter); the Islander, 4.2 T, Standard, BA10/5 takes 5W-30 (6.0 quarts with filter); the Laredo, Automatic takes 5W-30 (6.0 quarts with filter); the Laredo, Standard, AX15 takes 5W-30 (6.0 quarts with filter); the Laredo, Standard, BA10/5 takes 5W-30 (6.0 quarts with filter); the S takes 5W-30 (4.0 quarts with filter); the Sahara, 2.5 E takes 5W-30 (4.0 quarts with filter); the Sahara, 4.2 T, Automatic takes 5W-30 (6.0 quarts with filter); the Sahara, 4.2 T, Standard, AX15 takes 5W-30 (6.0 quarts with filter); the Sahara, 4.2 T, Standard, BA10/5 takes 5W-30 (6.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 2.5 E: 5W-30, 4.0 quarts with filter
- Base, 4.2 T, Automatic: 5W-30, 6.0 quarts with filter
- Base, 4.2 T, Standard, AX15: 5W-30, 6.0 quarts with filter
- Base, 4.2 T, Standard, BA10/5: 5W-30, 6.0 quarts with filter
- Islander, 2.5 E: 5W-30, 4.0 quarts with filter
- Islander, 4.2 T, Automatic: 5W-30, 6.0 quarts with filter
- Islander, 4.2 T, Standard, AX15: 5W-30, 6.0 quarts with filter
- Islander, 4.2 T, Standard, BA10/5: 5W-30, 6.0 quarts with filter
- Laredo, Automatic: 5W-30, 6.0 quarts with filter
- Laredo, Standard, AX15: 5W-30, 6.0 quarts with filter
- Laredo, Standard, BA10/5: 5W-30, 6.0 quarts with filter
- S: 5W-30, 4.0 quarts with filter
- Sahara, 2.5 E: 5W-30, 4.0 quarts with filter
- Sahara, 4.2 T, Automatic: 5W-30, 6.0 quarts with filter
- Sahara, 4.2 T, Standard, AX15: 5W-30, 6.0 quarts with filter
- Sahara, 4.2 T, Standard, BA10/5: 5W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2.5 E — 2.5L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 4.2 T, Automatic — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Base, 4.2 T, Standard, AX15 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Base, 4.2 T, Standard, BA10/5 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Islander, 2.5 E — 2.5L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Islander, 4.2 T, Automatic — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Islander, 4.2 T, Standard, AX15 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Islander, 4.2 T, Standard, BA10/5 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Laredo, Automatic — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Laredo, Standard, AX15 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Laredo, Standard, BA10/5 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| S — 2.5L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Sahara, 2.5 E — 2.5L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Sahara, 4.2 T, Automatic — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Sahara, 4.2 T, Standard, AX15 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
| Sahara, 4.2 T, Standard, BA10/5 — 4.2L Eng | API - SAE 5W-30 (-20Deg.F to 60Deg.F), 10W-30/40 (0Deg.F to Above 100Deg.F), 20W-40/50 (30Deg.F to Above 100Deg.F) | 6.00 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Wrangler
1989 Jeep Wrangler factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
9.0 quarts (8.51 L) — 50/50 mixture of AMC/JEEP/RENAULT All Season Coolant and distilled water. Includes: 1 qt. in the engine coolant recovery tank.
Frequently asked questions
What type of oil does a 1989 Jeep Wrangler take?
It depends on the engine: Base, 2.5 E uses 5W-30; Base, 4.2 T, Automatic uses 5W-30; Base, 4.2 T, Standard, AX15 uses 5W-30; Base, 4.2 T, Standard, BA10/5 uses 5W-30; Islander, 2.5 E uses 5W-30; Islander, 4.2 T, Automatic uses 5W-30; Islander, 4.2 T, Standard, AX15 uses 5W-30; Islander, 4.2 T, Standard, BA10/5 uses 5W-30; Laredo, Automatic uses 5W-30; Laredo, Standard, AX15 uses 5W-30; Laredo, Standard, BA10/5 uses 5W-30; S uses 5W-30; Sahara, 2.5 E uses 5W-30; Sahara, 4.2 T, Automatic uses 5W-30; Sahara, 4.2 T, Standard, AX15 uses 5W-30; Sahara, 4.2 T, Standard, BA10/5 uses 5W-30.
How much oil does a 1989 Jeep Wrangler take?
Capacity depends on the engine: Base, 2.5 E holds 4.0 quarts with filter; Base, 4.2 T, Automatic holds 6.0 quarts with filter; Base, 4.2 T, Standard, AX15 holds 6.0 quarts with filter; Base, 4.2 T, Standard, BA10/5 holds 6.0 quarts with filter; Islander, 2.5 E holds 4.0 quarts with filter; Islander, 4.2 T, Automatic holds 6.0 quarts with filter; Islander, 4.2 T, Standard, AX15 holds 6.0 quarts with filter; Islander, 4.2 T, Standard, BA10/5 holds 6.0 quarts with filter; Laredo, Automatic holds 6.0 quarts with filter; Laredo, Standard, AX15 holds 6.0 quarts with filter; Laredo, Standard, BA10/5 holds 6.0 quarts with filter; S holds 4.0 quarts with filter; Sahara, 2.5 E holds 4.0 quarts with filter; Sahara, 4.2 T, Automatic holds 6.0 quarts with filter; Sahara, 4.2 T, Standard, AX15 holds 6.0 quarts with filter; Sahara, 4.2 T, Standard, BA10/5 holds 6.0 quarts with filter.
Can I use synthetic oil in my 1989 Jeep Wrangler?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Jeep Wrangler. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.