Nulon Apex+ Multi-23 Diesel 5W-30 Engine Oil 7L Give your diesel the protection, efficiency and reliability it deserves. Nulon Apex+ Multi-23 5W-30 is purpose-built for modern passenger cars and light commercial diesel vehicles, helping shield critical components while looking after your emissions gear. Its low-viscosity formula flows quickly on cold starts for smooth, quiet running, then maintains a tough protective film under load-whether you’re towing, commuting or covering highway kilometres. The handy 7L pack suits many diesel sumps and leaves a little in reserve for top-ups. What you’ll notice is less fuss and more confidence between services. The DPF-friendly blend supports clean combustion and dependable particulate filter performance. Excellent oxidation control and thermal stability help the oil resist thickening and breakdown, so it stays in-spec across long drain intervals-keeping your vehicle on schedule without sacrificing protection. By cutting internal friction, Apex+ Multi-23 helps improve fuel economy while guarding against wear, deposits and sludge, so your engine stays cleaner for longer. If you want efficient, next-generation protection that works across a wide range of European and Japanese diesels, this is a smart, no-nonsense choice for your vehicle.