Penrite HPR Diesel 10 Engine Oil is a premium quality full synthetic oil designed for modern diesel engines. It is formulated to provide superior protection and performance in extreme conditions and meets or exceeds the latest industry standards. This 10W-40 oil has a high detergent and dispersant content to prevent sludge and deposit build-up, and its low volatility reduces oil consumption. This genuine Penrite product comes in a 10-litre pack and is ideal for diesel engines that require API CK-4 and ACEA E9 engine oils. It also provides excellent wear protection, reduces engine wear, and extends engine life. With a 1-year warranty, this oil is a reliable and cost-effective choice for diesel engine maintenance.