1999 Ford E450 Super Duty Oil Type & Capacity
The 1999 Ford E450 Super Duty oil type depends on the engine: the 6.8 S takes 5W-20 (6.0 quarts with filter); the 7.3 F takes 15W-40 (15.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 6.8 S: 5W-20, 6.0 quarts with filter
- 7.3 F: 15W-40, 15.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 6.8 S — Gas | SAE 5W-20 Super Premium Motor Oil | 6.00 QTS. | 5.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
| 7.3 F — Diesel | SAE 15W-40 | 15.00 QTS. | 13.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
Buy the right oil
Buy 5W-20 motor oil on AmazonBuy 15W-40 motor oil on Amazon1999 Ford E450 Super Duty oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your E450 Super Duty
1999 Ford E450 Super Duty factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
32.8 quarts (31.04 L) — FORD Premium Cooling System Fluid or FORD Extended Life Engine Coolant. If the vehicle's coolant is (green color) use: FORD Premium Cooling System Fluid. If it is (orange color) use: FORD Extended Life Engine Coolant.
Frequently asked questions
What type of oil does a 1999 Ford E450 Super Duty take?
It depends on the engine: 6.8 S uses 5W-20; 7.3 F uses 15W-40.
How much oil does a 1999 Ford E450 Super Duty take?
Capacity depends on the engine: 6.8 S holds 6.0 quarts with filter; 7.3 F holds 15.0 quarts with filter.
Can I use synthetic oil in my 1999 Ford E450 Super Duty?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Ford E450 Super Duty. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.