STJLR.03.5005

STJLR.03.5005 is a JLR technical specification designed to ensure optimal performance of modern gasoline and diesel engines from Jaguar and Land Rover, including high‑mileage turbocharged units with increased requirements for ceramic component protection. The specification requires a synthetic oil with a viscosity range of 5W‑30/5W‑40, high oxidation resistance, low volatility, and additives that reduce wear, corrosion, and deposit formation in the combustion chamber. Oil that meets STJLR.03.5005 must be compatible with emission after‑treatment systems – DPF and catalysts, therefore it has a low SAPS content to prevent their fouling. This standard is suitable for direct‑injection, turbocharged and hybrid variants where oil stability at high temperatures and long service intervals are important. Choosing an oil marked STJLR.03.5005 guarantees compliance with the manufacturer’s recommendations, increased reliability and extended service life of your Jaguar or Land Rover.