Royal Purple Duralec Super 15W-40 Diesel Motor Oil, Diesel Vehicles, 7.7 lbs, 1 Gallon
Royal Purple Duralec Super 15W-40 Diesel Motor Oil, Diesel Vehicles, 7.7 lbs, 1 Gallon
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Royal Purple Duralec Super 15W-40 Diesel Motor Oil, Diesel Vehicles, 7.7 lbs, 1 Gallon

101 ratings
Royal Purple Duralec Super 15W-40 Diesel Motor Oil, Diesel Vehicles, 7.7 lbs, 1 GallonRoyal Purple Duralec Super 15W 40 Diesel Motor Oil Diesel Vehicles 7 7 lbs 1 Gallon2 pack Royal Purple Duralec Super 15W 40 Diesel Motor Oil Diesel Vehicles 7 7 lbs 1 Gallon5 pack Royal Purple Duralec Super 15W 40 Diesel Motor Oil Diesel Vehicles 7 7 lbs 1 Gallon4 pack Royal Purple Duralec Super 15W 40 Diesel Motor Oil Diesel Vehicles 7 7 lbs 1 Gallon3 pack Royal Purple Duralec Super 15W 40 Diesel Motor Oil Diesel Vehicles 7 7 lbs 1 Gallon
Pack SizeSingle
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Key item features

  • Enhanced Protection: Provides greater wear and superior corrosion protection for diesel engines.
  • Extended Intervals: Greatly extends oil drain intervals, reducing maintenance frequency.
  • Emission Reduction: Reduces exhaust emissions, contributing to a cleaner environment.
  • Engine Cleanliness: Keeps engines clean, ensuring optimal performance.
  • API-Licensed: API-licensed CK-4 diesel motor oil, suitable for modern diesel engines.
  • Seal Safe: Will not harm seals, ensuring compatibility with engine components.
  • High Performance: Resists high-temperature breakdown and performs well in low temperatures to reduce startup wear.
  • Product Specifications: 1 gallon net content, weighing 7.7 lbs, designed for diesel vehicles.
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About this item

Product details

Specifications

Warranty

Compatible vehicles

YearMakeModelSubmodelEngine
2011SuzukiKizashiAll SubmodelsL4 2.4L 2388cc
2011Ram3500All SubmodelsL6 6.7L
2011Ram2500All SubmodelsL6 6.7L
2011GMCSierra 3500 HDAll SubmodelsV8 6.6L 6599cc
2011GMCSierra 2500 HDAll SubmodelsV8 6.6L 6599cc
2011GMCSavana 3500All SubmodelsV8 6.6L 6599cc
2011GMCSavana 2500All SubmodelsV8 6.6L 6599cc
2011FordF-350 Super DutyAll SubmodelsV8 6.7L 6651cc
2011FordF-250 Super DutyAll SubmodelsV8 6.7L 6651cc
2011ChevroletSilverado 3500 HDAll SubmodelsV8 6.6L 6599cc
2011ChevroletSilverado 2500 HDAll SubmodelsV8 6.6L 6599cc
2011ChevroletExpress 3500All SubmodelsV8 6.6L 6599cc
2011ChevroletExpress 2500All SubmodelsV8 6.6L 6599cc
2010SuzukiKizashiAll SubmodelsL4 2.4L 2388cc
2010SuzukiGrand VitaraAll SubmodelsV6 3.2L 3195cc
2010GMCSavana 3500All SubmodelsV8 6.6L 6599cc
2010GMCSavana 2500All SubmodelsV8 6.6L 6599cc
2010FordF-350 Super DutyAll SubmodelsV8 6.4L
2010FordF-250 Super DutyAll SubmodelsV8 6.4L
2010FordE-350 Super DutyAll SubmodelsV8 6.0L
2010DodgeRam 3500All SubmodelsL6 6.7L
2010DodgeRam 2500All SubmodelsL6 6.7L
2010ChevroletExpress 3500All SubmodelsV8 6.6L 6599cc
2010ChevroletExpress 2500All SubmodelsV8 6.6L 6599cc
2002Aston MartinDB7All SubmodelsV12 6.0L 5935cc
2001Aston MartinDB7All SubmodelsV12 6.0L 5935cc
2000Aston MartinDB7All SubmodelsV12 6.0L 5935cc
1999BMW318tiAll SubmodelsL4 1.9L 1895cc
1998VolkswagenGolfAll SubmodelsV6 2.8L 2771cc
1998VolkswagenCabrioAll SubmodelsL4 2.0L 1984cc
1998BMW318tiAll SubmodelsL4 1.9L 1895cc
1998BMW318iAll SubmodelsL4 1.9L 1895cc
1998Aston MartinDB7All SubmodelsL6 3.2L 3239cc
1997VolkswagenPassatAll SubmodelsV6 2.8L 2771cc
1997VolkswagenGolfAll SubmodelsL4 2.0L 1984cc
1997VolkswagenCabrioAll SubmodelsL4 2.0L 1984cc
1997BMW318tiAll SubmodelsL4 1.9L 1895cc
1997BMW318isAll SubmodelsL4 1.9L 1895cc
1997BMW318iAll SubmodelsL4 1.9L 1895cc
1997Aston MartinDB7All SubmodelsL6 3.2L 3239cc
1996VolkswagenPassatAll SubmodelsV6 2.8L 2771cc
1996VolkswagenGolfAll SubmodelsL4 2.0L 1984cc
1996VolkswagenCabrioAll SubmodelsL4 2.0L 1984cc
1996BMW318tiAll SubmodelsL4 1.9L 1895cc
1996BMW318isAll SubmodelsL4 1.9L 1895cc
1996BMW318iAll SubmodelsL4 1.9L 1895cc
1995VolkswagenPassatAll SubmodelsV6 2.8L 2771cc
1995VolkswagenGolfAll SubmodelsV6 2.8L 2771cc
1995VolkswagenGolfAll SubmodelsL4 2.0L 1984cc
1995VolkswagenCabrioAll SubmodelsL4 2.0L 1984cc
1995BMW325isAll SubmodelsL6 2.5L 2494cc
1995BMW325iAll SubmodelsL6 2.5L 2494cc
1995BMW318tiAll SubmodelsL4 1.8L 1796cc
1995BMW318isAll SubmodelsL4 1.8L 1796cc
1995BMW318iAll SubmodelsL4 1.8L 1796cc
1994VolkswagenPassatAll SubmodelsV6 2.8L 2771cc
1994VolkswagenGolfAll SubmodelsL4 2.0L 1984cc
1994VolkswagenCorradoAll SubmodelsV6 2.8L 2771cc
1994BMW325isAll SubmodelsL6 2.5L 2494cc
1994BMW325iAll SubmodelsL6 2.5L 2494cc
1994BMW318isAll SubmodelsL4 1.8L 1796cc
1994BMW318iAll SubmodelsL4 1.8L 1796cc
1993VolkswagenPassatAll SubmodelsV6 2.8L 2771cc
1993VolkswagenPassatAll SubmodelsL4 2.0L 1984cc
1993VolkswagenGolfAll SubmodelsL4 2.0L 1984cc
1993VolkswagenFoxAll SubmodelsL4 1.8L 1781cc
1993VolkswagenCorradoAll SubmodelsV6 2.8L 2771cc
1993VolkswagenCabrioletAll SubmodelsL4 1.8L 1781cc
1993BMW325isAll SubmodelsL6 2.5L 2494cc
1993BMW325iAll SubmodelsL6 2.5L 2494cc
1993BMW318isAll SubmodelsL4 1.8L 1796cc
1993BMW318iAll SubmodelsL4 1.8L 1796cc
1992VolkswagenPassatAll SubmodelsL4 2.0L 1984cc
1992VolkswagenFoxAll SubmodelsL4 1.8L 1781cc
1992BMW325isAll SubmodelsL6 2.5L 2494cc
1992BMW325iAll SubmodelsL6 2.5L 2494cc
1992BMW318isAll SubmodelsL4 1.8L 1796cc
1992BMW318iAll SubmodelsL4 1.8L 1796cc
1991LexusES250All SubmodelsV6 2.5L 2508cc
1991BMW325isAll SubmodelsL6 2.5L 2494cc
1991BMW325iXAll SubmodelsL6 2.5L 2494cc
1991BMW325iAll SubmodelsL6 2.5L 2494cc
1991BMW318isAll SubmodelsL4 1.8L 1796cc
1991BMW318iAll SubmodelsL4 1.8L 1796cc
1990LexusES250All SubmodelsV6 2.5L 2508cc
1990BMW325isAll SubmodelsL6 2.5L 2494cc
1990BMW325iXAll SubmodelsL6 2.5L 2494cc
1990BMW325iAll SubmodelsL6 2.5L 2494cc
1989BMW325isAll SubmodelsL6 2.5L 2494cc
1989BMW325iXAll SubmodelsL6 2.5L 2494cc
1989BMW325iAll SubmodelsL6 2.5L 2494cc
1988BMW325isAll SubmodelsL6 2.5L 2494cc
1988BMW325iXAll SubmodelsL6 2.5L 2494cc
1988BMW325iAll SubmodelsL6 2.5L 2494cc
1988BMW325All SubmodelsL6 2.7L 2693cc
1987BMW325isAll SubmodelsL6 2.5L 2494cc
1987BMW325iAll SubmodelsL6 2.5L 2494cc
1987BMW325eAll SubmodelsL6 2.7L 2693cc
1987BMW325All SubmodelsL6 2.7L 2693cc
1986BMW325eAll SubmodelsL6 2.7L 2693cc

Warnings

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Customer ratings & reviews

4.8 out of 5 stars
stars
101 ratings36 reviews
How item rating is calculated
  1. 5 stars91% (92)
  2. 4 stars4% (4)
  3. 3 stars2% (2)
  4. 2 stars0% (0)
  5. 1 star3% (3)

Reviews summary

Pros

  • : Offers affordable prices with fast delivery.
  • : The oil reduces vibration and extends durability.
  • : Oil reduces odor, lowers consumption, and quiets operation.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 36 reviews

Jul 17, 2026
Reviewer name: TRU2BS
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

priced well, cheaper than other parts stores. been using royal purple diesel oil for a while on both my diesel trucks 6.7L Cummins, exhaust smell doesn't stink like most diesel oils out on the market.

Helpful?1DPQQP3H6MG535513143
Jul 15, 2026
Reviewer name: Brandy
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Fantastic oil for my Cummins diesel.

Helpful?1DPQQP3H6MG535513143
May 23, 2026
Reviewer name: randall
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

best oil for my diesel varriew 4lbs more oil pressure than amsoil.

Helpful?1DPQQP3H6MG535513143
Current price is $36.4228.5 ¢/fl oz
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