2003 Mazda B3000 Oil Type & Capacity
The 2003 Mazda B3000 takes 5W-20 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Dual Sport, 2D Pickup Extra Cab, 3.0 U, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup Extra Cab, 3.0 U, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup Extra Cab, 3.0 V, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup Extra Cab, 3.0 V, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup, 3.0 U, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup, 3.0 U, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup, 3.0 V, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| Dual Sport, 2D Pickup, 3.0 V, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| SE, 3.0 U, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| SE, 3.0 U, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| SE, 3.0 V, Automatic | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
| SE, 3.0 V, Standard | API - SL or ILSAC, SAE 5W-20 Engine Oil | 4.50 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your B3000
2003 Mazda B3000 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
14.8 quarts (14 L) — MAZDA Premium Engine Coolant. DO NOT mix different types or colors of engine coolant.
Frequently asked questions
What type of oil does a 2003 Mazda B3000 take?
The 2003 Mazda B3000 takes 5W-20 motor oil (API - SL or ILSAC, SAE 5W-20 Engine Oil), per the factory service manual.
How much oil does a 2003 Mazda B3000 take?
The 2003 Mazda B3000 holds 4.5 quarts with a filter change.
Can I use synthetic oil in my 2003 Mazda B3000?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2003 Mazda B3000. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.