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Royal Purple

Royal Purple Duralec Super Diesel 15W-40 CK-4 Motor Oil - 320 Gallon Tote

$12,512.99 $10,710.99 Save $1,802.00

SKU: R022 88154

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item

Description

Part #: 88154

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRoyal Purple
Part NumberR022 88154

Videos

What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)

What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)
How Bad Are Cheap "Diesel" Motor Oils? $14 vs $58

How Bad Are Cheap "Diesel" Motor Oils? $14 vs $58
Royal Purple 5000 Mile Results Are in - Let's Check It Out - Was it any good or Just Decent Oil

Royal Purple 5000 Mile Results Are in - Let's Check It Out - Was it any good or Just Decent Oil
5w40 vs 15w40. Delo rotella amsoil Schaeffers. when and why I use certain oils.

5w40 vs 15w40. Delo rotella amsoil Schaeffers. when and why I use certain oils.
$5 VS $10 Synthetic Oil (Real Engine Results)

$5 VS $10 Synthetic Oil (Real Engine Results)
Addressing your frequently asked Royal Purple questions. Will Royal Purple actually ruin engines??

Addressing your frequently asked Royal Purple questions. Will Royal Purple actually ruin engines??
Putting Diesel Engine Oil In a Gas Truck! Can You?

Putting Diesel Engine Oil In a Gas Truck! Can You?
Is Royal Purple better than Amsoil? Let's find out!

Is Royal Purple better than Amsoil? Let's find out!
The Truth About Royal Purple Engine Oil for Your Car

The Truth About Royal Purple Engine Oil for Your Car
Royal Purple Vs Mobil 1 Motor Oil: Which One is The Best? [2025]

Royal Purple Vs Mobil 1 Motor Oil: Which One is The Best? [2025]
Real World Test: Royal Purple versus Pennzoil Motor Oil, What Is The Best Engine Oil For Boil Off?

Real World Test: Royal Purple versus Pennzoil Motor Oil, What Is The Best Engine Oil For Boil Off?
Is Royal Purple really worth all the hype? 5,100 miles with Royal Purple XPR performance racecar oil

Is Royal Purple really worth all the hype? 5,100 miles with Royal Purple XPR performance racecar oil
IS SYNTHETIC MOTOR OIL BETTER FOR YOUR CAR? | Royal Purple vs. Mobil 1

IS SYNTHETIC MOTOR OIL BETTER FOR YOUR CAR? | Royal Purple vs. Mobil 1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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