2004 Mazda B4000 Oil Type & Capacity: 5W-20 (5.0 quarts)
The 2004 Mazda B4000 takes 5W-20 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| Base, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| Dual Sport, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| Dual Sport, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| SE, 2D Pickup Extra Cab, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| SE, 2D Pickup Extra Cab, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| SE, 4D Pickup Extra Cab, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
| SE, 4D Pickup Extra Cab, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.00 QTS. | — | — |
More factory specs & repair guides for your B4000
🛞 2004 Mazda B4000 Tire Size & Pressure →🌧️ 2004 Mazda B4000 Wiper Blade Sizes →💡 2004 Mazda B4000 Light Bulb Sizes →📖 2004 Mazda B4000 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
13.2 quarts (12.49 L) — MAZDA Premium Engine Coolant. DO NOT mix different types or colors of engine coolant.
Frequently asked questions
What type of oil does a 2004 Mazda B4000 take?
The 2004 Mazda B4000 takes 5W-20 motor oil (API - SL or ILSAC, SAE 5W-20 Engine Oil), per the factory service manual.
What is the oil capacity of a 2004 Mazda B4000?
The 2004 Mazda B4000 oil capacity is 5.0 quarts with a filter change.
How often should I change the oil in my 2004 Mazda B4000?
Most 2004 Mazda B4000 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 — Mazda recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2004 Mazda B4000?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2004 Mazda B4000. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.