High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO).
High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO).
All-year oil designed especially for diesel engines
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-14-2026
TRW DOT 4 fluid. Boiling point - Dry 270°C (518°F) / Wet 163°C (325°F)
Want to use that signature purple oil in your European engine? Here is Royal Purple's answer to the European engine market.
One (1) Liter Container
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-05-2026
7-in-1 Fuel Treatment is designed to make driving enjoyable again by removing deposits from the combustion chamber.
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
Can be used in place of many "factory approved" coolants
This product was last offered at the strikethrough price on
05-07-2026
Featuring a newly developed cap system designed for thorough and efficient emptying of the container.
Ideal for very dry or "winter blend" fuels such as #1 diesel
This product was last offered at the strikethrough price on
07-14-2026
TRW DOT 5.1 fluid. Boiling point - Dry 269°C (516°F) / Wet 187°C (368°F)
This product was last offered at the strikethrough price on
03-02-2026
Protects your diesel engine and restores engine performance. Includes cold weather protection.
Limited slip fluid additive to improve performance and reduce noise
High-performance engine oil produced using HC synthetic oils with a wide area of application.
Formulated to prevent and eliminate Internal Diesel Injector Deposits commonly found in Common Rail and other types of injectors
Film like 75W140 with light drag and friction of 75W80.