What kind of oil does a 3.9 Magnum take?
The 3.9L Magnum V6, used in Dodge and Chrysler minivans and some SUVs from the late 1990s to early 2000s, typically requires SAE 5W-30 motor oil. Oil can be conventional or synthetic as long as it meets the engine’s API specifications. Always verify the exact recommendation for your year and market by checking the owner’s manual or the under-hood viscosity sticker.
Standard oil specification for the 3.9 Magnum
Conventional vs. synthetic options
You have the option to use conventional 5W-30 or full-synthetic 5W-30. Synthetic oils can offer better cold-weather performance and improved high-temperature stability, and they may permit longer intervals between changes in some conditions. However, synthetic oil is not a requirement for this engine. Regardless of the choice, ensure the oil meets the appropriate API service rating and follow the maintenance schedule specified for your vehicle.
Climate and operating conditions
In hot climates or under heavy use, 5W-30 remains a common and recommended viscosity. If your manual or local service guidance suggests a different specification for extreme temperatures or specific model years, follow that guidance. The key is to use the viscosity and API rating listed by Chrysler for your exact vehicle year and market.
How to verify your exact specification for your vehicle
The definitive source is the owner’s manual for your specific model year. If the manual isn’t readily available, check the under-hood oil fill cap and any accompanying service sticker, which often note the recommended viscosity. For confirmation beyond paperwork, a Mopar dealer or a qualified mechanic can verify the correct specification for your VIN and regional market, which can vary by year and production run.
Oil capacity and change intervals
The 3.9 Magnum typically holds about five quarts of oil with a filter when performing an oil change, though exact capacity can vary slightly by year and variant. Conventional oil change intervals are commonly around 3,000 to 5,000 miles under normal conditions; when using synthetic oil, intervals can extend to around 5,000 to 7,500 miles depending on driving habits and conditions. Always follow the interval recommended in your manual and adjust for severe-service conditions such as frequent short trips, dusty environments, or towing.
Summary
For a 3.9 Magnum engine, the standard oil viscosity is 5W-30, usable with either conventional or synthetic oil as long as the product meets current API/ILSAC specifications. Always verify the exact requirement for your year and market via the owner's manual or service label, and follow the recommended oil-change interval to maintain engine protection.
What kind of oil does a 2003 Dodge Dakota 3.9 take?
10w30
Genuine Mopar Engine Oil Change Kit 2003 Dodge Dakota 3.9L V6 engine oil 10w30.
What type of oil does a Dodge Magnum take?
Mobil 1 – Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quart (Part No. 15021)
How much horsepower does a 3.9 L Magnum V6 have?
The "3.9 Magnum HP" refers to the horsepower of the Dodge 3.9-liter Magnum V6 engine, which is typically around 175–180 hp. This engine was used in models like the Dodge Dakota and is essentially a 5.2L V8 with two cylinders removed. Its power output varies slightly depending on the model year, with some versions listed as producing approximately 175 hp and others up to 180 hp.
You can watch this video to learn how to turbocharge a 3.9L Magnum engine and make significant power: 58sRust Belt GarageYouTube · Dec 20, 2020
- Horsepower: Approximately 175–180 hp
- Torque: Around 225–235 lb-ft
- Configuration: 3.9-liter, 90-degree V6
- Base: Essentially a 5.2L V8 with two cylinders removed
- Fuel System: Sequential Multi-Port Fuel Injection (SMPI)
- Performance: Offers good low-end torque
What oil does a 3.9 magnum take?
SAE 10W-30
10W-30 (Above -18°C) - SAE 10W-30 is preferred. Capacity: 4 quarts (with filter). After refill check oil level.
