Royal Purple
Royal Purple Duralec Super Diesel 5W40 CK-4 Motor Oil - 55 Gallon
SKU: R022 87540
Description
Part #: 87540
Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as: DPF's, Catalytic Converters, EGR, and SCR injection with the ultra-low sulfur diesel fuels found in North America and Europe. Duralec Super motor oil is specifically formulated to maximize component life, extend drain intervals and improve fuel performance with excellent high temperature break down resistance and low temperature pumpability to minimize cold-induced startup wear.
Features:
- Greater wear protection
- Improves fuel economy
- Superior corrosion protection
- Reduces exhaust emissions
- Keeps engines clean
- API-licensed CK-4 diesel motor oils
- Will not harm seals
Royal Purple Duralec Super SAE 5W-40 Diesel Motor Oil
Fitment
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Specifications
| Brand | Royal Purple |
| Part Number | R022 87540 |
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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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