Best Oil For 5.9 Cummins Diesel: image
Editor's Pick

. It provides maximum protection to engines 1QT ONAN SAE 15W-40 OIL. The oil has a low-sulphur content, which reduces engine wear and improves fuel economy. It is also suitable for diesel engines with high pressure water pumps. Notably, the US government has banned the use of petrol in diesel engines from January 1, 2017. However, it can be used by other vehicles as well.

Best Value

  • Viscosity:15w-40
  • Brand:Cummins Onan
  • Liquid Volume:32 Fluid Ounces

Honorable Mention

Cylinder heads, which are used in the production of diesel engines, have been made from premium synthetic oils. The oil is recommended for engines with low-sulfur content and provides excellent cold-induced leakage resistance. It also helps to prevent engine damage due to high temperature rises. Diesel engines must be maintained at temperatures below 140°C to ensure maximum performance. Notably, diesel engines were introduced in Germany in 2005. Diesel engines will be required to meet European standards by 2020.

Best Oil For 5.9 Cummins Diesel

Top 10 Best Oil For 5.9 Cummins Diesel

1

Kubota 1 Gallon Genuine OEM SAE 15W-40 Engine Oil 70000-10001

95 ratings | 3 offers | 95 Reviews
Price: $38.87$43.99
Why we chose it
    Kubota 1 Gallon Genuine OEM SAE 15W-40 Engine Oil 70000-10001: image
    94%
    customers recommend this product
    4.7/ 5
    Value for money4.2
    Mileage4
    Top Pick
    2

    Cummins 3265336 Onan SAE 15W-40 Oil – 1 Quart

    686 ratings | 33 offers | 686 Reviews
    Price: $9.8$27.28
    Why we chose it
    • 32 oz. factory tested oil
    • Fit type: Universal
    • Reduces consumption and engine wear
    • Provides maximum protection for engines
    Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart: image
    96%
    customers recommend this product
    4.8/ 5
    Easy to install5
    Mileage4.3
    Value for money4.3
    3
    Why we chose it
    • 326-5336
    Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (Quantity 4): image
    96%
    customers recommend this product
    4.8/ 5
    4
    Why we chose it
    • Mineral based all-season motor oil
    • ideal for high mileage diesel vehicles without diesel particulate filters (DPF).
    • Designed with proven wear protection technology
    • Allows for a stable lubricating film even under extreme operating conditions
    Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil - 5 Liter: image
    92%
    customers recommend this product
    4.6/ 5
    5

    Delo 222290428 400 SDE SAE 15W-40 Motor Oil – 5 Gallon Pail

    37 ratings | 4 offers | 37 Reviews
    Price: $139.87$153.46
    Why we chose it
    • Premium quality, heavy duty motor oil manufactured in the USA
    • Formulated with ISOSYN technology
    • Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels
    • Formulated to meet the requirements of post-2007 low emission engines
    • May be used in older, conventional engines and gasoline engines
    Delo 222290428 400 SDE SAE 15W-40 Motor Oil - 5 Gallon Pail: image
    90%
    customers recommend this product
    4.5/ 5
    6

    Kubota SAE 15W-40 Engine Oil (1 Quart)

    7 ratings | 1 offers | 7 Reviews
    Price starts from: $15.99
    Why we chose it
    • API Service Category: CJ-4, CI-4 Plus, CI-4, CH-4, CF-4, CF, CE, CD, CC/SL, SJ
    • Manufactured from high VI base stocks, shear stable polymers and high-performance additives. Meets or exceeds the performance requirements of most diesel and gasoline engines. Gives excellent long-term service in both on and off highway equipment.
    • Kubota SAE 15W-40 Engine Oil (1 Quart) KUB-70000-10000
    Kubota SAE 15W-40 Engine Oil (1 Quart): image
    96%
    customers recommend this product
    4.8/ 5
    7
    Why we chose it
    • Top quality synthetic base oils provide excellent cold flow and protection at all operating temperatures
    • Robust detergents remove deposits and maintain engine cleanliness
    • Fit type: Universal Fit
    • Superior corrosion protection
    • Recommeded for engines specifying API service CI-4, CI-4 Plus, CJ-4, and CK-4
    • Greatly extends oil drain intervals
    Royal Purple 04154 Duralec Super SAE 15W-40 API CK-4 High Performance Diesel Motor Oil - 1 Gallon: image
    98%
    customers recommend this product
    4.9/ 5
    Longevity5
    Mileage4.5
    Value for money4.2
    8

    Cummins 3265336 Onan SAE 15W-40 Oil – 1 Quart (20 Pack)

    3 ratings | 3 offers | 3 Reviews
    Price: $180$213.99
    Why we chose it
      Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (20 Pack): image
      100%
      customers recommend this product
      5/ 5
      9

      Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287)

      25 ratings | 4 offers | 25 Reviews
      Price: $28$32.23
      Why we chose it
      • Country of Origin : United States
      • Fit type: Universal Fit
      • Package Dimensions: 30.3 H x 9.0 L x 21.4 W (centimetres)
      • Package Weight: 3.517 kilograms
      Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287): image
      92%
      customers recommend this product
      4.6/ 5
      10

      Cummins 3265336 Onan SAE 15W-40 Oil – 1 Quart Quantity 2

      15 ratings | 4 offers | 15 Reviews
      Price: $29.99$34.23
      Why we chose it
        Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart Quantity 2: image
        94%
        customers recommend this product
        4.7/ 5
        Ranking the Brands
        Kubota: 20.00%
        Cummins: 10.00%
        Onan: 10.00%
        Liqui Moly: 10.00%
        Chevron: 10.00%
        Royal Purple: 10.00%
        Cummins Onan: 20.00%
        Lucas Oil: 10.00%

        Comparison Table

        Сomparison: Kubota 1 Gallon Genuine OEM SAE 15W-40 Engine Oil 70000-10001: imageСomparison: Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart: imageСomparison: Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (Quantity 4): imageСomparison: Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil - 5 Liter: imageСomparison: Delo 222290428 400 SDE SAE 15W-40 Motor Oil - 5 Gallon Pail: imageСomparison: Kubota SAE 15W-40 Engine Oil (1 Quart): imageСomparison: Royal Purple 04154 Duralec Super SAE 15W-40 API CK-4 High Performance Diesel Motor Oil - 1 Gallon: imageСomparison: Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (20 Pack): imageСomparison: Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287): imageСomparison: Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart Quantity 2: image
        Kubota 1 Gallon Genuine OEM SAE 15W-40 Engine Oil 70000-10001Cummins 3265336 Onan SAE 15W-40 Oil – 1 QuartCummins 3265336 Onan SAE 15W-40 Oil – 1 Quart (Quantity 4)Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil – 5 LiterDelo 222290428 400 SDE SAE 15W-40 Motor Oil – 5 Gallon PailKubota SAE 15W-40 Engine Oil (1 Quart)Royal Purple 04154 Duralec Super SAE 15W-40 API CK-4 High Performance Diesel Motor Oil – 1 GallonCummins 3265336 Onan SAE 15W-40 Oil – 1 Quart (20 Pack)Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287)Cummins 3265336 Onan SAE 15W-40 Oil – 1 Quart Quantity 2
        Viscosity15w-4015w-4015w-4015w-4015w-4015w-4015w-4015w-4015w-4015w-40
        BrandKubotaCumminsOnanLiqui MolyChevronKubotaRoyal PurpleCummins OnanLucas OilCummins Onan
        Liquid Volume128 Fluid Ounces32 Fluid Ounces32 Fluid Ounces5 Liters5 Gallons1 Quarts1 Quarts32 Fluid Ounces1 Gallons32 Fluid Ounces
        ManufacturerLMPartsCummins/OnanLiqui MolyDeloKubotaROYAL PURPLELUCAS OIL
        Item Weight7.63 pounds1 pounds8 pounds10.25 pounds39.7 pounds1.63 pounds7.67 pounds7.75 pounds
        Is Discontinued By ManufacturerNoNoNoNoNoNoNoNo
        Package InformationBottleBottleJugPailCanBottle
        Product Dimensions9 x 4.25 x 2.75 inches4.3 x 8 x 8.8 inches12.5 x 9.5 x 3.5 inches15 x 10.7 x 9.4 inches5 x 10 x 7 inches12 x 8.37 x 3.5 inches

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