1998 Lincoln Navigator Oil Type & Capacity: 5W-20 (6.0 quarts)
The 1998 Lincoln Navigator takes 5W-20 motor oil — 6.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 4WD | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| RWD | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
More factory specs & repair guides for your Navigator
🛞 1998 Lincoln Navigator Tire Size & Pressure →🌧️ 1998 Lincoln Navigator Wiper Blade Sizes →💡 1998 Lincoln Navigator Light Bulb Sizes →📖 1998 Lincoln Navigator Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
20.8 quarts (19.68 L) — 50/50 mixture of FORD Premium Cooling System Fluid and water
Frequently asked questions
What type of oil does a 1998 Lincoln Navigator take?
The 1998 Lincoln Navigator takes 5W-20 motor oil (SAE 5W-20 Premium Synthetic Blend Motor Oil), per the factory service manual.
What is the oil capacity of a 1998 Lincoln Navigator?
The 1998 Lincoln Navigator oil capacity is 6.0 quarts with a filter change.
How often should I change the oil in my 1998 Lincoln Navigator?
Most 1998 Lincoln Navigator 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 — Lincoln recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1998 Lincoln Navigator?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Lincoln Navigator. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.